So if I overclock the blck I could get all cores running at 3.9ghz even when they all fully loaded?
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Who actually has an i5-8400?
- Thread starter southernorth
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So if I overclock the blck I could get all cores running at 3.9ghz even when they all fully loaded?
Soldato
Yes. don't push it too far or it will fail. Mine is set to 102.7, after that it fails.
Cool thanks for the info I will look into doing it. First I need to check if my board has it.
Soldato
They all have it mate.
Ok thanks, is it still perfectly safe to do blck like it was on skylake?
Soldato
Yeah they support blck oc, well as far as Intel allows on non k.
The 8400 is the new budget gaming king.
Maybe when the 8400 is back to £150 and you pair it with a £50 motherboard.
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Using the Asus Strix H my 8400 does 4.0 on all cores
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What are the speeds in games?
Normally a mix of some cores on 3.8 some on 3.9 see my screenshot from earlier from gta.
raven said you can get all 3.9 with blck I haven't tried it yet though
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I was pretty sure all are on 4.0 in game. Why would it show all at 4.0 in windows then 3.8 in game?
When I ran pass mark they all ran at 4.0?
When I ran pass mark they all ran at 4.0?
Your screen shot shows the cores at 0% also shows mins at 3.8ghz.
Have a look at them again when they are doing something (not all at 0%).
yes when i built my nephews pc, it did sometimes boost to 4.0ghz on all cores when all cores werent 100% loaded. An intense cpu benchmark made it drop to 3.8ghz all core though (where it held there). So basically all core boost is 3.8-4.0ghz dependent on the intensity of the work load.
Isn't BCLK overclocking limited to 2-3%? Or is it like Skylake was before Intel forced motherboard manufacturers to lock down their BIOSs?
Soldato
Yeah 3% on non k chips that's good for an extra 100Mhz. But you can still bclk k chips. It was just skylake where you could oc non k with a modified bios. Intel locked that down with kabylake.
Soldato
I can overclock the BCLK to 102.7MHz but doing so seems to disable turbo - ASRock Z370M Pro4. There's probably some random setting somewhere that would make it work, but I've not had chance to find it!
To confirm what others have said, it runs at 3.8GHz all cores minimum at all times... usually it goes 1C: 4.0GHz, 2-4C: 3.9GHz, 5-6C: 3.8GHz, or combination depending on load. It will sometimes show many/all cores at 4GHz but the moment there is any load they will drop to 3.9 or 3.8.
To confirm what others have said, it runs at 3.8GHz all cores minimum at all times... usually it goes 1C: 4.0GHz, 2-4C: 3.9GHz, 5-6C: 3.8GHz, or combination depending on load. It will sometimes show many/all cores at 4GHz but the moment there is any load they will drop to 3.9 or 3.8.
I just followed @RavenXXX2 instructions and set it to 102.7 reloaded my xmp and it worked straight away now I have an extra 100mhz on the turbo and an extra 100 on the min.
Thanks Raven
Thanks Raven
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All I did is set the cores manually to 4ghz then raise the blck to 102.7 and you will have minimums of 3.9 and turbo 4.1
Soldato
You can't set the cores manually to anything...
I'll try it again this week when I've more time to play around.