Things to try:
Study motherboard manual.
Be sure System "High Performance" power settings enabled.
Thermal Gate...opened or closed? Fan installed?
Run cpu at stock 3.5 and voltage. Overclocked manually or turbo to what value? Cpu voltage adjusted? 36C temp is for cpu? When? (idle/heavy gaming)
Run fans in manual at 40-50% in CCC. Gpu temps (idle/gaming)?
Disable onboard graphics.
Dual BIOS switch set to stock on both cards.
Leave gpu memory clock stock.
Disable V Sync.
Run system at 16 Gb RAM, 32; stock timings. Check memory freq and timings when OC'd.
04:29 PM by