Performance enhance: standard, turbo, extreme

taq8ojh

Golden Member
Mar 2, 2013
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Is there any definite explanation what in the hell does this setting REALLY do?
I could never find an answer, and boards' manuals are (as expected) always completely useless.
 

Sheep221

Golden Member
Oct 28, 2012
1,843
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Some motherboards had so called overclocking AI feature, which had predefined fail-safe working frequency and voltage settings for some unlocked CPUs. In which standard is stock setting, while turbo and extreme settings increased the values by 20-30%. Enabling extreme or turbo modes also disabled some power saving features(such as speed step) and automatically turned fans to higher RPMs. I had it in the bios of my previous rig which had Asus motherboard, but it didn't work as my CPU was overclocking locked. So far I know, this setting increased the FSB as well as multiplier. As the FSB was before not just reference clock, the frequencies of RAM and their voltage and timings were also altered.

But I didn't see it in any of the newer UEFI Bios motherboards.
 

taq8ojh

Golden Member
Mar 2, 2013
1,296
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I haven't seen a board where it wasn't yet :D
Well, either way, I do have it in my Gigabyte Z77X-UD3H, which is UEFI. But it doesn't even seem to be doing anything obvious. I also ran some benchmarks and couldn't notice any difference. Heh.

I think it's the tRD setting for the DRAM. Not sure though.
I think I once wrote down all the timings I could find in both BIOS and AIDA64 and never noticed any difference no matter which of the settings I used. It's a mystery :D
 

gpse

Senior member
Oct 7, 2007
477
5
81
on Gigabyte boards it has to do with memory timings only, I set it to Turbo since that is the bios default.
 

BrightCandle

Diamond Member
Mar 15, 2007
4,762
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Its to do with the memory timings. There are many more timings than you see in the grand majority of the motherboards UEFI settings, the list we get to play with is a handful. The remaining settings are normally dealt with using this generic setting that has 3 different levels. The performance difference is normally nonexistent, the stability impact however can be impressively bad.