i5 3570k Overclocking

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Apr 11, 2018
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So I have an i5 3570k currently stable - 4.5ghz at 1.2v, and on torture tests like prime 95 and intel burn test I get a steady 60 celsius, was wondering if I could push it further. My cooler is a masterliquid lite 240 and my motherboard is a z77a-gd65.
 
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Karadjgne
Sure. There's really only 4 things to limit OC.
1: Cpu lottery. Some chips respond better to changes so will get a better OC, some are next to useless (my 3570k is stuck at 4.3GHz no matter what)
2: Cooling. Obviously temps will play a major role.
3: Voltages. Either vcore or VRM's will set limits, for Ivy-Bridge the vcore safe limit is 1.4v, but that might set the VRM's at beyond their cooling ability on lesser boards with minimal or no heatsinking.
4: You. Some ppl just don't have it in them to either take the time to do it right, or the lack of knowledge concerning other settings than vcore and multiplier.

With that 240mm AIO, you've got at least another 10°C to spare, which could be 4.8GHz or even 4.9GHz depending on if the cpu...
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Karadjgne

Karadjgne

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Sure. There's really only 4 things to limit OC.
1: Cpu lottery. Some chips respond better to changes so will get a better OC, some are next to useless (my 3570k is stuck at 4.3GHz no matter what)
2: Cooling. Obviously temps will play a major role.
3: Voltages. Either vcore or VRM's will set limits, for Ivy-Bridge the vcore safe limit is 1.4v, but that might set the VRM's at beyond their cooling ability on lesser boards with minimal or no heatsinking.
4: You. Some ppl just don't have it in them to either take the time to do it right, or the lack of knowledge concerning other settings than vcore and multiplier.

With that 240mm AIO, you've got at least another 10°C to spare, which could be 4.8GHz or even 4.9GHz depending on if the cpu will accept vcore of less than 1.4v and be stable. Kinda up to you just how far you want to try and push the cpu, but generally there's little difference (if any) between 4.5GHz and 4.8GHz for almost every game and most other software.
 
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Karadjgne

Karadjgne

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Ivy Bridge isn't an issue for AVX used in newer versions, but agreed, the p95 should be version 26.6 small fft for best gaming temp comparison baseline.

They haven't done anything decent to IBT in forever, I guess they figure it ain't broke...
Problem with IBT is its inaccuracy at what they deem as a torture test for the cpu, then throw in linpack (uses goodly amounts of ram to various degrees) so you don't get a clean 100% cpu load, you get anything from @80% to 100%, with ram usage, and temps rise and fall, so you can't even say 'my cpu runs at x °C, because that x°C could be anything from 80% to 120% of the cpu.

IBT is great for 1 thing only, pass/fail on cpu cooling. Kinda sucks at letting you know how much it passed or failed by.
 
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