CPU-Z shows DRAM frequeency 668.7MHz in a 1600 memory

sHr1882

Reputable
Nov 28, 2015
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0
4,510
My build is i5 760, motherboard: P7P55D-E LX, RAM: Vengeance pro 2x8GB 1600.
I installed the ram yesterday (the old ram was 2x2GB 1600).
The CPU-Z shows DRAM frequeency 668.7MHz.
In addition, SPD shows in max bandwidth PC3-10700 but I have 12800.
Why is that?
Is my PC not using the RAM as it should?
Who can I fix this?
 

sHr1882

Reputable
Nov 28, 2015
4
0
4,510


Thank you. It shows now 800. Do I need to configure other things, like voltage and timing?

 

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