We heavily overclock our amazing sapphire radeon r9 290x tri x gpus and test them again at 4k.
Sapphire r9 290 overclock settings.
You can achieve higher clocks with.
Radeon r9 290 overclocking sapphire radeon r9 290 tri x oc ref.
Keep it under 80 85 and you are fine.
3dmark 11 extreme settings loop graphical test 1 30mins custom fan settings 60 70 sapphire tri x r9 290 oc intel 3570k 4 5ghz 1 32v asus maximus v gene corsair h100 nzxt phantom 410 intel 320 ssd.
Heaven 4 0 extreme settings loop 30mins 1200 1370 overclock.
Safe temps for r9 290 was 95c so yours should be very similar.
Radeon r9 290 oc 129 419 290 10 300 btw overclocked our maximum power draw has risen an extra 45 watts towards 300 watt.
As for overclocks push the card until you see artifacts or general unstable gameplay.
Radeon r9 290 shipping core clock 699mhz 662mhz shipping boost clock 1000mhz 947mhz shipping memory clock 5 2ghz 5ghz shipping.
This resulted in some absolute benchmark busting memory.
Overclocking the gpu towards 1100 mhz became unstable a nd the memory.
The sapphire vapor x r9 290x i own seems to have default 31mv gpu core voltage asic rating is 76 9 iirc br br originally the oc settings of 1100mhz 1500mhz were stable at stock voltage then i did see some.
A quick run down on how to overclock your gpu with msi afterburner and unigen valley.
These settings may not apply to your gpu or set up but some testing wil.
143mv not final but stable so far.
Power limit 50 max core 61c fan speed 2801 rpm 53 vrm 1 56c.