Just benchmarked with Valley on high.
FPS = 124.2
SCORE = 5195
GPU temp = max 83
GPU voltage, mV = 1125

Thank you for these responses. I will attempt to implement these possible fixes, though it will take some research >.< I tried deleting the 'GPU tweak files' by copy paste them to desktop, then...

Screen freeze during game play. WHEA has come up twice. Four or five freezes without the BSOD where I had to force quit and reboot. I can run whicher 3 and FFXIV without any problems. Not sure about...