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EPU enabled = better performance? (oddity) - 3970x / Zenith 2 Extreme Alpha

enyceedanny
Level 10
Hey guys.

Been tweaking my new 3970x build for balance of good performance and thermals, and noticed after setting EPU to enabled, my Cinebench R20 scores jumped up. Ran it many times to verify this behavior as well. EPU is for power savings, yet I'm not sure why I'm seeing higher scores...

Running 3970x stock with PBO enabled 10X scalar, and +200mhz auto-oc. (vcore at offset -0.025)

EPU disabled: Mostly from 17,900 to max of 18,100
EPU enabled: From 18,050 (frequent scores of 18,200 range) with max of 18,320

I'm aware that Cinebench can be very inconsistent in its' runs - but having ran many repeated tests, it doesn't seem to be within margin of error.

Any thoughts?
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