Question CPU Voltages Keep Changing from 1.3V To 0.9V

[FXX8]

According To AIDA All My Temps Are Good However My Voltages Keep Changing Whilst Gaming Causing Extreme Lag Spikes From 60 FPS To 5 Fps. I Have Even Tried Underclocking My CPU To 3.5 GHZ

 

[rgd1101]

full system system spec? include make and model of the psu
cpu temp during the game?

 

[FXX8]

full system system spec? include make and model of the psu
cpu temp during the game?

CPU: AMD FX-8350
CPU Cooler: ARCTIC Freezer Xtreme
Motherboard: Asus M5A78L-M LX3
PSU: Corsair VS650
GPU: RX 570 8 GB

Temp Whilst Gaming 55C (According To AIDA64)

 

[Supernova1138]

You're VRM throttling, that board is low end and doesn't have the power delivery necessary to handle the FX 8350. The FX 8350 is very power hungry and only higher end AM3+ boards have sufficient VRMs to run the chip at full speed without throttling.

 

[TJ Hooker]

Probably VRM throttling as said above.

To confirm your CPU isn't overheating use AMD Overdrive to check temperature, which is reported as thermal margin. Higher is better, if you're getting close to 0 or negative you're overheating.