Jurin1388

That's my specialty. An easy solution for quick tests.

On the MSI Z690 Unify-X board, CrossFire works under Windows XP without any problems. The motherboard supports x8/ x8 in SLI and CrossFire mode.

2x HD 4870 AIR Cooling.

6 GHz AIO Cooling

CPU 5.7 GHz/6 cores.. AIO Cooling.

The AIO cooler is loosely seated on the CPU, it is not bolted, but is only loaded with a 1KG weight. I do this for most tests. It's a quick way, I don't have to assemble anything.

I still don't know where the problem is. Probably something with the CPU. None of the boards go above approx. 5.6-5.7 GHz.

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On daily cooling it behaves like any other regular CPU. During 1,35V with AIO cooling it works on a frequency of about 4700 MHz. With higher frequencies it needs higher voltage and that leads to overheating and lowers performance.

Have you tried painting PCB with non-conductive Vaseline?

It is true. At 1.58 volts, the processor was able to run at 5700 MHz on all cores. At this frequency result Cinebench-R23 14852 CB.

It is just an avarage CPU . I tested a processor with AIO cooling. It worked on all cores (8/16) with a maximum frequency of 4650 to 4750 MHz. Results with AIO cooling in some tests below.?

Thanks guys ?

Zkouška. Málo LN2. Teplota CPU -10

Thanks for the tip. I'll try it later ?