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I'll post more when I look in my bios

I7 920 @3.8 GHZ I think stock is like 2.66 with turbo boost to 2.8 GHZ

1.225 Volts
181 MHZ with a 21x multiplier
RAM 1814 MHZ (2133 MHZ I think at 9-9-9-24 timings at 1.55 V.


In order to get to 4GHZ I have to increase voltage
1.26875 volts
191 Hz with 21x multiplier.
Also, my motherboard won't let the ram go higher than ~1900 MHZ. So I have to clock it at ~1600 MHZ
This increases temps by ~12 degrees so it's not worth it for me. Also this likely increases power bill for very small gain.

Both of these settings I tested with OCCT for 24hrs + to verify Stability. I tweaked, other voltages but I don't remember.
This is off the top of my head... I'll check bios later (I don't have CPU-Z installed).

I have my 7950 overclocked to like 1040 Hz GPU CLOCK with 1400 Hz Memory Clock with +20% power limit in catalyst.