{"id":66446,"date":"2026-08-21T12:00:00","date_gmt":"2026-08-21T11:00:00","guid":{"rendered":"https:\/\/www.overclockers.co.uk\/blog\/?p=66446"},"modified":"2026-09-02T10:20:14","modified_gmt":"2026-09-02T09:20:14","slug":"what-is-a-cpu-clock-speed","status":"publish","type":"post","link":"https:\/\/www.overclockers.co.uk\/blog\/what-is-a-cpu-clock-speed\/","title":{"rendered":"What is a CPU Clock Speed?\u00a0"},"content":{"rendered":"\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">A CPU clock speed&nbsp;dictates the number of&nbsp;cycles a processor executes per second.&nbsp;But&nbsp;what exactly does this mean?&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/What-is-a-CPU-Clock-Speed-BlogInstagram-Optimised-Overclockers-UK-Blog-Feature-Image-Standard-Blog-1080x1080Light-Text-1024x1024.png\" alt=\"\" class=\"wp-image-66447\"\/ loading=\"lazy\" srcset=\"https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/What-is-a-CPU-Clock-Speed-BlogInstagram-Optimised-Overclockers-UK-Blog-Feature-Image-Standard-Blog-1080x1080Light-Text-1024x1024.png 1024w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/What-is-a-CPU-Clock-Speed-BlogInstagram-Optimised-Overclockers-UK-Blog-Feature-Image-Standard-Blog-1080x1080Light-Text-300x300.png 300w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/What-is-a-CPU-Clock-Speed-BlogInstagram-Optimised-Overclockers-UK-Blog-Feature-Image-Standard-Blog-1080x1080Light-Text-150x150.png 150w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/What-is-a-CPU-Clock-Speed-BlogInstagram-Optimised-Overclockers-UK-Blog-Feature-Image-Standard-Blog-1080x1080Light-Text-768x768.png 768w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/What-is-a-CPU-Clock-Speed-BlogInstagram-Optimised-Overclockers-UK-Blog-Feature-Image-Standard-Blog-1080x1080Light-Text-600x600.png 600w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/What-is-a-CPU-Clock-Speed-BlogInstagram-Optimised-Overclockers-UK-Blog-Feature-Image-Standard-Blog-1080x1080Light-Text.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Your CPU&nbsp;is responsible for&nbsp;the processing of data from your computer. This includes inputs, outputs, and task management.&nbsp;It&#8217;s&nbsp;a complex&nbsp;piece of hardware that many enthusiasts label the brain of&nbsp;the&nbsp;PC. Without the CPU, your computer simply&nbsp;wouldn&#8217;t&nbsp;work. A massive indicator as to how&nbsp;quickly your CPU can compute tasks is its clock speed. So, today we are delving into everything you need to know.&nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group has-black-color has-text-color has-background has-link-color wp-elements-1 is-layout-constrained wp-container-core-group-is-layout-eb3ed5a7 wp-block-group-is-layout-constrained\" style=\"border-width:1px;background-color:#f1f3f4;margin-top:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20);padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--30)\">\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-2\">What is a CPU Clock Speed: Key Takeaways<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CPU clock speed&nbsp;refers to how&nbsp;many clock cycles it can process in a second,&nbsp;and is typically measured in&nbsp;gigahertz (GHz).&nbsp;<\/li>\n\n\n\n<li>A higher clock speed can improve CPU performance, but GHz alone does not determine how fast or capable a processor is.&nbsp;<\/li>\n\n\n\n<li>CPU performance also depends on factors such as architecture, cores, threads, IPC,&nbsp;cache,&nbsp;and workload, so comparing clock speeds alone can be misleading.&nbsp;<\/li>\n\n\n\n<li>Base and boost clock speeds are different:&nbsp;a CPU can automatically increase&nbsp;frequency above its base clock when power and temperature conditions allow.&nbsp;<\/li>\n\n\n\n<li>Overclocking increases CPU clock speed beyond standard specifications and can provide&nbsp;additional&nbsp;performance, but it may also increase heat, power&nbsp;consumption,&nbsp;and system instability.&nbsp;<\/li>\n<\/ul>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">What Does CPU Clock Speed Mean?&nbsp;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The clock speed of your CPU refers to how many cycles it can complete in a second. For example, a 1GHz clock speed will equate to one billion clock cycles per second.&nbsp;During a singular cycle, or clock,&nbsp;the transistors within the CPU act like tiny switches, flipping between on and&nbsp;off,&nbsp;moving data to its designated destination. The more of these cycles your CPU can&nbsp;complete, the faster&nbsp;its&nbsp;data processing will be.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Clock speed provides a regular timing signal for CPU operations. For example, a 4GHz CPU will provide four billion cycles a second, and the faster the clock speed is, the quicker your workflows will be.&nbsp;As&nbsp;such, you can enjoy better performance when downloading files, reading and writing data to an SSD, and even increase how much data is fed to your GPU for better framerates and graphics&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What is the Difference Between Clock Speeds and Boost Clock Speeds?&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CPUs have both a base clock speed&nbsp;and a boost clock speed. The base clock speed&nbsp;determines&nbsp;the regular frequency of the CPU&nbsp;that it can hit&nbsp;consistently. A boost clock speed, though, is the frequency the CPU can hit during resource-heavy&nbsp;tasks and&nbsp;is&nbsp;mainly used&nbsp;as an emergency buffer. However, some enthusiasts may overclock their processor to reach these boost clocks&nbsp;more&nbsp;frequently.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-930feb06 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.overclockers.co.uk\/blog\/wp-content\/webp-express\/webp-images\/uploads\/2024\/11\/CPU-Clock-Speed-1024x1024.png.webp\" alt=\"\" style=\"aspect-ratio:4\/3;object-fit:cover\"\/ loading=\"lazy\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p class=\"wp-block-paragraph\">Your clock speed can massively&nbsp;impact&nbsp;your gaming PC&#8217;s performance. To find out more about the impact of CPU&#8217;s clock speed, check out this blog post.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-ef7a8b26 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.overclockers.co.uk\/blog\/how-does-clock-speed-affect-cpu-performance\/\" target=\"_blank\" rel=\"noopener\">Read More<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">What is CPU Clock Speed Measured In?&nbsp;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Clock speeds are either measured&nbsp;in Hertz (Hz),&nbsp;Megahertz (MHz),&nbsp;or Gigahertz (GHz). Most modern CPUs are now measured in GHz, but older-generation CPUs&nbsp;may be measured in&nbsp;MHz.&nbsp;This will&nbsp;impact&nbsp;how many&nbsp;clock&nbsp;cycles your CPU can achieve:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hz (hertz) &#8211; one cycle per second&nbsp;&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>MHz (megahertz) &#8211; one million cycles per second&nbsp;&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GHz (gigahertz) &#8211; one billion cycles per second&nbsp;<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">You may also&nbsp;encounter&nbsp;clock&nbsp;frequency when shopping around for a processor. This is entirely the same meaning as clock speed,&nbsp;determining&nbsp;how often cycles are completed.&nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-Overclockers-UK-Blog-Feature-Image-Main-1600x900Light-TextTwitter-1024x576-1.png\" alt=\"\" class=\"wp-image-66449\"\/ loading=\"lazy\" srcset=\"https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-Overclockers-UK-Blog-Feature-Image-Main-1600x900Light-TextTwitter-1024x576-1.png 1024w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-Overclockers-UK-Blog-Feature-Image-Main-1600x900Light-TextTwitter-300x169-1.png 300w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-Overclockers-UK-Blog-Feature-Image-Main-1600x900Light-TextTwitter-768x432-1.png 768w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-Overclockers-UK-Blog-Feature-Image-Main-1600x900Light-TextTwitter-500x281-1.png 500w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-Overclockers-UK-Blog-Feature-Image-Main-1600x900Light-TextTwitter-291x164-1.png 291w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-Overclockers-UK-Blog-Feature-Image-Main-1600x900Light-TextTwitter-631x355-1.png 631w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-Overclockers-UK-Blog-Feature-Image-Main-1600x900Light-TextTwitter-400x225-1.png 400w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-Overclockers-UK-Blog-Feature-Image-Main-1600x900Light-TextTwitter-501x282-1.png 501w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-Overclockers-UK-Blog-Feature-Image-Main-1600x900Light-TextTwitter-849x478-1.png 849w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-Overclockers-UK-Blog-Feature-Image-Main-1600x900Light-TextTwitter-1536x864-1.png 1536w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-Overclockers-UK-Blog-Feature-Image-Main-1600x900Light-TextTwitter-.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Why is CPU Clock Speed Important?&nbsp;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In theory, the&nbsp;higher your CPU clock speed, the faster your&nbsp;processing&nbsp;will be.&nbsp;But this&nbsp;isn&#8217;t&nbsp;always the case for more modern variations of CPU. Your PC&#8217;s&nbsp;<a href=\"https:\/\/www.overclockers.co.uk\/blog\/processing-power-how-important-is-it\/\" target=\"_blank\" rel=\"noopener\">processing performance<\/a>&nbsp;is&nbsp;dependent&nbsp;on the&nbsp;hardware you choose to pair with your CPU. If you have a GPU that&nbsp;requires&nbsp;more data than your CPU can supply, for example, you may end up with performance issues.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There are a few factors that affect real-world CPU performance. These are:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CPU architecture&nbsp;&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Number of cores&nbsp;&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Number of threads&nbsp;&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Instructions per clock (IPC)&nbsp;&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cache&nbsp;&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CPU generation&nbsp;&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Power limits&nbsp;&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cooling&nbsp;&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Workload&nbsp;<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">It&#8217;s&nbsp;important to remember that a higher GHz does not automatically mean a better or faster&nbsp;CPU. Your clock speeds can be&nbsp;impacted&nbsp;by the number&nbsp;and&nbsp;types&nbsp;of&nbsp;cores&nbsp;your&nbsp;CPU&nbsp;has. For example, a quad core CPU&nbsp;will be faster than a dual core CPU, even if&nbsp;the clock speed is higher. This is because a quad core&nbsp;processor will have more independent processing units it can split tasks into,&nbsp;breaking up&nbsp;larger tasks into smaller parts&nbsp;than a dual core CPU&nbsp;is capable of.&nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">What is CPU Overclocking?&nbsp;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.overclockers.co.uk\/blog\/is-it-dead-overclocking\/\" target=\"_blank\" rel=\"noopener\">Overclocking<\/a>&nbsp;is the process of running a CPU at a clock speed higher than its standard specifications.&nbsp;Some gamers choose to perform an overclock to achieve better graphics, quicker processing speeds,&nbsp;and&nbsp;greater&nbsp;workflow efficiency. But it does come with risks.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile is-image-fill-element\" style=\"grid-template-columns:45% auto\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-BlogInstagram-Optimised-Overclockers-UK-Blog-Feature-Image-Standard-Blog-1080x1080Light-Text-1024x1024.png\" alt=\"\" class=\"wp-image-66450 size-full\" style=\"object-position:50% 50%\"\/ loading=\"lazy\" srcset=\"https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-BlogInstagram-Optimised-Overclockers-UK-Blog-Feature-Image-Standard-Blog-1080x1080Light-Text-1024x1024.png 1024w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-BlogInstagram-Optimised-Overclockers-UK-Blog-Feature-Image-Standard-Blog-1080x1080Light-Text-150x150.png 150w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-BlogInstagram-Optimised-Overclockers-UK-Blog-Feature-Image-Standard-Blog-1080x1080Light-Text-300x300.png 300w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-BlogInstagram-Optimised-Overclockers-UK-Blog-Feature-Image-Standard-Blog-1080x1080Light-Text-501x501.png 501w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-BlogInstagram-Optimised-Overclockers-UK-Blog-Feature-Image-Standard-Blog-1080x1080Light-Text-164x164.png 164w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-BlogInstagram-Optimised-Overclockers-UK-Blog-Feature-Image-Standard-Blog-1080x1080Light-Text-768x768.png 768w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-BlogInstagram-Optimised-Overclockers-UK-Blog-Feature-Image-Standard-Blog-1080x1080Light-Text-600x600.png 600w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-BlogInstagram-Optimised-Overclockers-UK-Blog-Feature-Image-Standard-Blog-1080x1080Light-Text-355x355.png 355w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-BlogInstagram-Optimised-Overclockers-UK-Blog-Feature-Image-Standard-Blog-1080x1080Light-Text-478x478.png 478w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/Copy-of-What-is-a-CPU-Clock-Speed-BlogInstagram-Optimised-Overclockers-UK-Blog-Feature-Image-Standard-Blog-1080x1080Light-Text.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<h3 class=\"wp-block-heading\">How Does Overclocking Increase CPU Clock Speed?&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Many modern processors now have integrated software that supports overclocking.&nbsp;Intel&nbsp;Extreme Tuning Utility&nbsp;and AMD&nbsp;Ryzen&nbsp;Master are some brand-specific overclocking utilities&nbsp;you can use with select CPU models for&nbsp;easy overclocking.&nbsp;easy overclocking.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Increasing the frequency&nbsp;of your CPU can heighten speeds and performance, but higher frequencies&nbsp;generally increase&nbsp;power consumption and heat output.&nbsp;You may also have to adjust the voltage of your processor. This&nbsp;will&nbsp;ensure&nbsp;it is drawing enough power&nbsp;to supply the increased rates&nbsp;and&nbsp;remain stable so as not to damage any of your other hardware.&nbsp;<\/p>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">What Are the Risks of Overclocking?&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Overclocking is not a guaranteed performance upgrade. If done incorrectly, it can lead to damage&nbsp;and system instability that, in some cases, is completely&nbsp;irreversible. Overclocking your CPU can lead to increased temperatures, greater power consumption,&nbsp;potential&nbsp;component&nbsp;degradation,&nbsp;and the need for a more powerful cooling solution.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Modern CPUs may already automatically boost their clock speeds, so traditional overclocking&nbsp;isn&#8217;t&nbsp;always necessary.&nbsp;It&#8217;s&nbsp;important to check the manufacturer\u2019s guidelines before overclocking so as not to damage the rest&nbsp;of&nbsp;your&nbsp;PC.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-930feb06 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.overclockers.co.uk\/blog\/wp-content\/webp-express\/webp-images\/uploads\/2024\/04\/Overclocking-vs-Factory-Performance-1024x1024.jpg.webp\" alt=\"\"\/ loading=\"lazy\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p class=\"wp-block-paragraph\">Looking for some more overclocking content?&nbsp;It\u2019s&nbsp;in our name, after all! Check out this blog post to find out&nbsp;the differences between&nbsp;overclocking&nbsp;and factory performance.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-ef7a8b26 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.overclockers.co.uk\/blog\/overclocking-vs-factory-performance-whats-best-for-gaming-pcs\/\" target=\"_blank\" rel=\"noopener\">Read More<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Is a&nbsp;Higher&nbsp;CPU Clock Speed Always Better?&nbsp;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A higher CPU clock speed does not always mean that your CPU is &#8216;better&#8217; than another CPU with a lower clock speed. You also need to consider how many cores each CPU has, as this will&nbsp;determine&nbsp;the&nbsp;processors&#8217;&nbsp;ability to split larger tasks into smaller, more&nbsp;manageable chunks.&nbsp;To&nbsp;determine&nbsp;the right CPU for you,&nbsp;we&#8217;ve&nbsp;put together a table indicating what to look out for.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>CPU&nbsp;Specification<\/strong>&nbsp;<\/td><td><strong>Why&nbsp;It&nbsp;Matters<\/strong>&nbsp;<\/td><\/tr><tr><td>Clock speed&nbsp;<\/td><td>Frequency of CPU clock cycles&nbsp;<\/td><\/tr><tr><td>Cores&nbsp;<\/td><td>Number of processing cores&nbsp;<\/td><\/tr><tr><td>Threads&nbsp;<\/td><td>Number of simultaneous&nbsp;instructions&nbsp;the CPU can handle&nbsp;<\/td><\/tr><tr><td>IPC&nbsp;<\/td><td>How much work can be done per clock cycle&nbsp;<\/td><\/tr><tr><td>Cache&nbsp;<\/td><td>Fast onboard memory for frequently accessed data&nbsp;<\/td><\/tr><tr><td>Boost clock&nbsp;<\/td><td>Maximum advertised frequency under suitable conditions&nbsp;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Choosing the Right CPU Clock Speed&nbsp;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">While a higher clock speed&nbsp;may&nbsp;indicate&nbsp;that&nbsp;a CPU can complete&nbsp;more clock cycles&nbsp;in a second, it&nbsp;isn&#8217;t&nbsp;a definite indicator of how fast a processor is.&nbsp;It&#8217;s&nbsp;important to consider the number of cores, and how powerful the rest&nbsp;of&nbsp;your&nbsp;gaming PC is too! While overclocking may be&nbsp;a good solution&nbsp;in some cases,&nbsp;make sure you consider&nbsp;the impacts this may have on your PC, and the added requirements your&nbsp;CPU will have as a result.&nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Shop Our CPUs&nbsp;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">We have loads of CPUs available for your next gaming PC build&nbsp;from&nbsp;both&nbsp;Intel&nbsp;and&nbsp;AMD.&nbsp;You&#8217;re&nbsp;sure to find whatever it is&nbsp;you&#8217;re&nbsp;looking for!&nbsp;Take a look&nbsp;at our&nbsp;range or&nbsp;check out some of our recommendations&nbsp;below!&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-ef7a8b26 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.overclockers.co.uk\/pc-components\/processors\" target=\"_blank\" rel=\"noopener\">Shop CPUs<\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-930feb06 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"f-product-wrapper \"><div class=\"product-image\"><!-- <div class=\"tag-list\"><a href=\"#\">in stock<\/a><\/div> --><img decoding=\"async\" class=\"feed-product-image\" src=\"https:\/\/www.overclockers.co.uk\/dw\/image\/v2\/BLRM_PRD\/on\/demandware.static\/-\/Sites-master-catalog-ocuk\/default\/dw7d331dec\/images\/data\/product\/32\/a74548\/2600274441a629a742c44498801adc1f7479a06b.jpg?sw=800\" alt=\"AMD Ryzen 7 5700G Eight Core 3.8GHz (Socket AM4) APU With RX Vega Graphics - Retail\" \/ loading=\"lazy\"><\/div><div class=\"product-wrapper\"><h3>AMD Ryzen 7 5700G Eight Core 3.8GHz (Socket AM4) APU With RX Vega Graphics &#8211; Retail<\/h3><p class=\"sku\">CP-3CV-AM<\/p><p class=\"rating\">\u2605\u2605\u2605\u2605\u2605 <span>(5)<\/span><\/p><p class=\"pricing\"><span class=\"main-price\"> \u00a3239.99 GBP<\/span><\/p><p class=\"vat-info\">(incl. VAT)<\/p><p class=\"free-shipping\">FREE SHIPPING<\/p><p class=\"instock  in-stock\">in stock<\/p><a href=\"https:\/\/www.overclockers.co.uk\/amd-ryzen-7-5700g-eight-core-3.8ghz-socket-am4-apu-with-rx-vega-graphics-retail\/CP-3CV-AM.html\" target=\"_blank\" class=\"product-link btn btn-primary\">ADD TO BASKET<\/a><\/div><div class=\"clear\"><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"f-product-wrapper \"><div class=\"product-image\"><!-- <div class=\"tag-list\"><a href=\"#\">in stock<\/a><\/div> --><img decoding=\"async\" class=\"feed-product-image\" src=\"https:\/\/www.overclockers.co.uk\/dw\/image\/v2\/BLRM_PRD\/on\/demandware.static\/-\/Sites-master-catalog-ocuk\/default\/dw5a77d274\/images\/data\/product\/cb\/b5b986\/ce2326c8d239e4efc0802c11ae8f670305afe944.jpg?sw=800\" alt=\"Intel Core I7-13700F (Raptor Lake) Socket LGA1700 Processor - Retail\" \/ loading=\"lazy\"><\/div><div class=\"product-wrapper\"><h3>Intel Core I7-13700F (Raptor Lake) Socket LGA1700 Processor &#8211; Retail<\/h3><p class=\"sku\">CP-6BD-IN<\/p><p class=\"rating\">\u2605\u2605\u2605\u2605\u2605 <span>(5)<\/span><\/p><p class=\"pricing\"><span class=\"main-price\"> \u00a3349.99 GBP<\/span><\/p><p class=\"vat-info\">(incl. VAT)<\/p><p class=\"free-shipping\">FREE SHIPPING<\/p><p class=\"instock  in-stock\">in stock<\/p><a href=\"https:\/\/www.overclockers.co.uk\/intel-core-i7-13700f-raptor-lake-socket-lga1700-processor-retail\/CP-6BD-IN.html\" target=\"_blank\" class=\"product-link btn btn-primary\">ADD TO BASKET<\/a><\/div><div class=\"clear\"><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"f-product-wrapper \"><div class=\"product-image\"><!-- <div class=\"tag-list\"><a href=\"#\">in stock<\/a><\/div> --><img decoding=\"async\" class=\"feed-product-image\" src=\"https:\/\/www.overclockers.co.uk\/dw\/image\/v2\/BLRM_PRD\/on\/demandware.static\/-\/Sites-master-catalog-ocuk\/default\/dw011a327c\/images\/data\/product\/40\/c854f0\/9d0bdac4af193d1a9d28260f962133feedca6efe.jpg?sw=800\" alt=\"AMD Ryzen 5 8600G Six Core 4.3GHz (Socket AM5) APU With Radeon 760M Graphics\" \/ loading=\"lazy\"><\/div><div class=\"product-wrapper\"><h3>AMD Ryzen 5 8600G Six Core 4.3GHz (Socket AM5) APU With Radeon 760M Graphics<\/h3><p class=\"sku\">PRO-AMD-01797<\/p><p class=\"rating\">\u2605\u2605\u2605\u2605\u2605 <span>(5)<\/span><\/p><p class=\"pricing\"><span class=\"main-price\"> \u00a3179.99 GBP<\/span><\/p><p class=\"vat-info\">(incl. VAT)<\/p><p class=\"free-shipping\">FREE SHIPPING<\/p><p class=\"instock  in-stock\">in stock<\/p><a href=\"https:\/\/www.overclockers.co.uk\/amd-ryzen-5-8600g-six-core-4.3ghz-socket-am5-apu-with-radeon-760m-graphics\/PRO-AMD-01797.html\" target=\"_blank\" class=\"product-link btn btn-primary\">ADD TO BASKET<\/a><\/div><div class=\"clear\"><\/div><\/div><\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group has-black-color has-text-color has-background has-link-color wp-elements-3 is-layout-constrained wp-container-core-group-is-layout-eb3ed5a7 wp-block-group-is-layout-constrained\" style=\"border-width:1px;background-color:#f1f3f4;margin-top:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20);padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--30)\">\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-4\">CPU&nbsp;Clock Speed FAQ<\/h2>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-5\"><strong>What is CPU clock speed?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CPU clock speed is the frequency at which a processor&#8217;s clock cycles operate. It is usually measured in gigahertz (GHz), with a higher number representing more clock cycles per second.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-6\"><strong>What does GHz mean on a CPU?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">GHz stands for gigahertz, which means one billion cycles per second. For example, a 4GHz CPU&nbsp;operates&nbsp;at four billion clock cycles per second.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-7\"><strong>Is a higher CPU clock speed better?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A higher clock speed can improve CPU performance, but it does not necessarily mean a processor is better overall. Architecture, cores, threads, cache, and instructions per clock (IPC) also affect performance.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-8\"><strong>What is a good CPU clock speed?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">There is no single clock speed that is considered good for every computer. A modern CPU with a clock speed of around 3\u20135GHz can provide&nbsp;strong performance, but the processor&#8217;s architecture and workload are also important.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>What is the difference between base clock speed and boost clock speed?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Base clock speed is the processor&#8217;s standard operating frequency under specified conditions. Boost clock speed is a higher frequency that the CPU can reach automatically when there is enough thermal and power headroom.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-9\"><strong>Does CPU clock speed affect gaming?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CPU clock speed can affect gaming performance, particularly in games that rely heavily on single-core or lightly threaded performance. However, the CPU&#8217;s overall architecture and&nbsp;your&nbsp;game&#8217;s ability to use multiple cores are also important.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-10\"><strong>Can you increase CPU clock speed?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">On compatible processors and systems, CPU clock speed can sometimes be increased through overclocking. Overclocking can provide&nbsp;additional&nbsp;performance but may also increase heat, power consumption, and system instability.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-11\"><strong>Does overclocking make a CPU faster?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-12 wp-block-paragraph\" style=\"border-top-left-radius:81px;border-top-right-radius:81px;border-bottom-left-radius:81px;border-bottom-right-radius:81px\">Overclocking can make a CPU perform faster by increasing its operating clock speed. However, the&nbsp;performance&nbsp;uplift&nbsp;varies depending on the CPU, workload, cooling system, and other hardware,&nbsp;with&nbsp;overclocking&nbsp;often&nbsp;increasing&nbsp;temperature and power consumption.&nbsp;<\/p>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Find Out More About CPUs&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">We have loads of blogs available covering everything you may need to know about CPUs! Check out our recommended posts below to find out more.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-930feb06 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-large\"><a href=\"https:\/\/www.overclockers.co.uk\/blog\/how-does-cpu-cache-size-affect-performance\/\" target=\"_blank\" rel=\" noopener\"><img decoding=\"async\" src=\"https:\/\/www.overclockers.co.uk\/blog\/wp-content\/webp-express\/webp-images\/uploads\/2025\/03\/Copy-of-Steam-Deck-vs-Steam-Machine-BlogInstagram-Optimised-Overclockers-UK-Blog-Feature-Image-Standard-Blog-1080x1080Light-Text-1024x1024.png.webp\" alt=\"How Does Cache Size Affect CPU Performance?\"\/ loading=\"lazy\"><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-large\"><a href=\"https:\/\/www.overclockers.co.uk\/blog\/your-questions-about-cpus-finally-answered\/\" target=\"_blank\" rel=\" noopener\"><img decoding=\"async\" src=\"https:\/\/www.overclockers.co.uk\/blog\/wp-content\/webp-express\/webp-images\/uploads\/2026\/03\/cpu-faq-square-1024x1024.png.webp\" alt=\"CPU FAQ\"\/ loading=\"lazy\"><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-large\"><a href=\"https:\/\/www.overclockers.co.uk\/blog\/how-to-optimise-cpu-usage\/\" target=\"_blank\" rel=\" noopener\"><img decoding=\"async\" src=\"https:\/\/www.overclockers.co.uk\/blog\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/optimse-cpu-usage-square-1024x1024.png.webp\" alt=\"How to Optimise CPU Usage\"\/ loading=\"lazy\"><\/a><\/figure>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Tell Us About Your CPU Clock Speed Recommendations&nbsp;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Have you tried overclocking your CPU? Or&nbsp;maybe you&#8217;re&nbsp;thinking of investing in a new one? Let us know down in the comments!&nbsp;<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>A CPU clock speed&nbsp;dictates the number of&nbsp;cycles a processor executes per second.&nbsp;But&nbsp;what exactly does this mean?&nbsp; Your CPU&nbsp;is responsible for&nbsp;the processing of data from your computer. This includes inputs, outputs, and task management.&nbsp;It&rsquo;s&nbsp;a complex&nbsp;piece of hardware that many enthusiasts label the brain of&nbsp;the&nbsp;PC. Without the CPU, your computer simply&nbsp;wouldn&rsquo;t&nbsp;work. A massive indicator as to how&nbsp;quickly [&hellip;]<\/p>\n","protected":false},"author":42,"featured_media":66448,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1358,1334,3197],"tags":[6812,105,175,372,312,3340],"class_list":["post-66446","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cpus-all-articles","category-how-to","category-ultimate-guides","tag-clock-speed","tag-cpu","tag-hardware","tag-how-to","tag-overclocking","tag-ultimate-guide"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is a CPU Clock Speed?\u00a0 | Overclockers UK<\/title>\n<meta name=\"description\" content=\"A CPU clock speed&nbsp;dictates the number of&nbsp;cycles a processor executes per second.&nbsp;But&nbsp;what exactly does this mean?&nbsp; Your\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.overclockers.co.uk\/blog\/what-is-a-cpu-clock-speed\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is a CPU Clock Speed?\u00a0 | Overclockers UK\" \/>\n<meta property=\"og:description\" content=\"A CPU clock speed&nbsp;dictates the number of&nbsp;cycles a processor executes per second.&nbsp;But&nbsp;what exactly does this mean?&nbsp; Your\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.overclockers.co.uk\/blog\/what-is-a-cpu-clock-speed\/\" \/>\n<meta property=\"og:site_name\" content=\"Overclockers UK\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/OverclockersUK\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-21T11:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-02T09:20:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2026\/08\/What-is-a-CPU-Clock-Speed-Overclockers-UK-Blog-Feature-Image-Main-1600x900Light-TextTwitter--1024x576.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"576\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Ted Blank\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ted Blank\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"10 minutes\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"What is a CPU Clock Speed?\u00a0 | Overclockers UK","description":"A CPU clock speed&nbsp;dictates the number of&nbsp;cycles a processor executes per second.&nbsp;But&nbsp;what exactly does this mean?&nbsp; 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