F5F Stay Refreshed Power Users Overclocking Consider adjusting your overclock settings for the 3570K model.

Consider adjusting your overclock settings for the 3570K model.

Consider adjusting your overclock settings for the 3570K model.

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_LyarZRektU_
Member
57
09-22-2025, 11:10 PM
#21
I'm going to experiment with BCLK now, aiming for 4.89 ~4.875 with a maximum of 1.4V. Let's see how it goes.
Increasing BCLK above 100.2 causes BSOD, so I'll test between 99.5 and 100.2.
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_LyarZRektU_
09-22-2025, 11:10 PM #21

I'm going to experiment with BCLK now, aiming for 4.89 ~4.875 with a maximum of 1.4V. Let's see how it goes.
Increasing BCLK above 100.2 causes BSOD, so I'll test between 99.5 and 100.2.

G
gavin_shaka
Senior Member
535
09-22-2025, 11:10 PM
#22
Major update: Stable at 4.9Ghz now, only a slight increase from 1.45V before.
Experiences with IBT showed low temperatures in the 80s and high voltage draw due to LLC during stress tests.
This result came from lowering my CPU PLL voltage to 1.675 instead of 1.8/Auto.
G
gavin_shaka
09-22-2025, 11:10 PM #22

Major update: Stable at 4.9Ghz now, only a slight increase from 1.45V before.
Experiences with IBT showed low temperatures in the 80s and high voltage draw due to LLC during stress tests.
This result came from lowering my CPU PLL voltage to 1.675 instead of 1.8/Auto.

R
Rayack
Senior Member
539
09-22-2025, 11:10 PM
#23
The result was really good, but it seems you can't adjust the BLCK much on these settings. I was able to bring my gen1 lynnfield and x5675 up to around 190 and 210 BCLK.
I'm curious about the PLL voltage for lynnfield – I think I should increase it from 1.8pll to 2.0v when I reach 185blck, but for x5675 I need to lower the PLV for a higher BCLK, which means there are many factors in overclocking.
Perhaps you could upgrade to an i7 and try to clock it at 5ghz; your cooler should handle it. That would give a huge performance improvement.
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Rayack
09-22-2025, 11:10 PM #23

The result was really good, but it seems you can't adjust the BLCK much on these settings. I was able to bring my gen1 lynnfield and x5675 up to around 190 and 210 BCLK.
I'm curious about the PLL voltage for lynnfield – I think I should increase it from 1.8pll to 2.0v when I reach 185blck, but for x5675 I need to lower the PLV for a higher BCLK, which means there are many factors in overclocking.
Perhaps you could upgrade to an i7 and try to clock it at 5ghz; your cooler should handle it. That would give a huge performance improvement.

S
spastan
Junior Member
19
09-22-2025, 11:10 PM
#24
Right now my overclock performance matches the i7 3770 in Cinebench R15. I don't think it's wise to buy an older system anymore because RAM costs are down and new chips are being released. I'll keep using this processor until it stops working, then move to the newest platform. I'd like a 2600K if the price drops to $50 or less. Thanks.
S
spastan
09-22-2025, 11:10 PM #24

Right now my overclock performance matches the i7 3770 in Cinebench R15. I don't think it's wise to buy an older system anymore because RAM costs are down and new chips are being released. I'll keep using this processor until it stops working, then move to the newest platform. I'd like a 2600K if the price drops to $50 or less. Thanks.

C
conarry
Member
79
09-22-2025, 11:10 PM
#25
Yeah those i7-2600k models usually fit in the 75 euro / dollar range. A big plus about these older CPU models and boards is you can push them beyond Intel specifications and don’t have to worry about damaging the system because they’re so affordable.

EDIT: I’m currently running my i7-875k gen1 at 4.5ghz from its stock 2.9 MHz without hyperthreading enabled, and it’s performing well in Fortnite which only needs 4 cores. If I turn on hyperthreading, performance drops to around 4.2–4.25ghz. But I need a voltage of 1.45v to keep things stable, which is above the maximum recommended by Intel. Going higher than 1.45v causes very high temperatures for my VRM, and core temps rise above 85°C in-game—it’s not worth it.

1.475v is my absolute ceiling since even with three fans I’m reaching near maximum speeds.
C
conarry
09-22-2025, 11:10 PM #25

Yeah those i7-2600k models usually fit in the 75 euro / dollar range. A big plus about these older CPU models and boards is you can push them beyond Intel specifications and don’t have to worry about damaging the system because they’re so affordable.

EDIT: I’m currently running my i7-875k gen1 at 4.5ghz from its stock 2.9 MHz without hyperthreading enabled, and it’s performing well in Fortnite which only needs 4 cores. If I turn on hyperthreading, performance drops to around 4.2–4.25ghz. But I need a voltage of 1.45v to keep things stable, which is above the maximum recommended by Intel. Going higher than 1.45v causes very high temperatures for my VRM, and core temps rise above 85°C in-game—it’s not worth it.

1.475v is my absolute ceiling since even with three fans I’m reaching near maximum speeds.

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