There is no component more vital to a gaming PC than the graphics card. It's the engine behind every top game, and picking the right card means your rig will run the most demanding games for years.

Graphics cards are no joke, but that does mean that it can be tricky to pick the right part.

If you're not sure about how graphics cards work, then read on – and if you still need to pick a card, then read our guide for the top chips for work and play.

Get a FREE Ashes of the Singularity game code with purchase of a Radeon R9 390 Series graphics card!

Get ready for planetary warfare on a massive scale. Oxide games' new Nitrous engine and Radeon R9 380 Series graphics unleash the full power of DirectX 12 to bring unbelievable multiple-unit RTS combat to your screen in the ultimate battle for the fate of humankind.

Life continues thanks to smooth gameplay at high resolutions with AMD Radeon R9 380X graphics, conceived to play the most demanding games at maximum details at 1080p, 1440p all the way to 4K.

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