i5-2500k 4.5ghz vcore increase during prime95?

furyotic

Guest
Jul 21, 2012
12
0
18,510
Asus p8z77-v pro
hyper 212+ evp

I manually set the voltage to 1.35v but when its idle at desktop cpu-z shows 1.368v, and when I run prime it goes to 1.4v. My temp is 50c idle and 75c during prime95. I have LLC set to extreme because any lower and i get bsod. Is this normal?