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Khablam
Mar 29, 2012

Fauxtool posted:

thats a pretty excellent guide.

My ram is rated at 3000 but my mobo says it can go up to 3866 on the box. Does that mean I can potentially overclock that ram up to 3866 or do I have to buy ram rated at 3866?

If your RAM ran with any stability at a higher speed, they'd have sold it at a higher speed.
They may well retard it by one tick from stable (e.g. tests at 3200 maximum, sell at 3000) but there won't be any significant gains anywhere.

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Khablam
Mar 29, 2012

You can typically get 4.7 from 1.35v - your issue is almost certainly overvoltage, not under.
There's almost entirely no risk from undervolting.

Khablam
Mar 29, 2012

22 Eargesplitten posted:

Yep, my mistake. He mentioned more aggressive voltage in the context of the power setting, but suggested raising the power limit.

I don't have great airflow, but I'll keep an eye on temps using Rivatuner. Is there a non-torture test program that I should run to test how hot it will get?

Run a torture test.
Furmark will plot a temperature curve for you so you can see where it plateaus.

Khablam
Mar 29, 2012

Just an FYI but avx instructions are only not used because they're new. They're a new way of getting more performance, so expect things to use them.
Handbrake already uses them for some encodes, so if you need to do video encoding consider a separate overclock or stock for that specific task.

Khablam
Mar 29, 2012

Ihmemies posted:

But is avx handbrake equivalent to avx prime95?
'worst' to best for thermal load:

old prime 95 > handbrake with AVX > prime95 with AVX

There's a bigger gap between AVX and not and prime or not, at least on skylake.

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