143mv not final but stable so far.
Sapphire r9 290 overclock settings.
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.
Overclocking the gpu towards 1100 mhz became unstable a nd the memory.
Power limit 50 max core 61c fan speed 2801 rpm 53 vrm 1 56c.
We overclocked our already overclocked r9 290x past its tri x settings to an insane 6 6ghz memory from 5 2ghz on the reference r9 290x.
Safe temps for r9 290 was 95c so yours should be very similar.
We heavily overclock our amazing sapphire radeon r9 290x tri x gpus and test them again at 4k.
On a single.
Radeon r9 290 overclocking sapphire radeon r9 290 tri x oc ref.
Keep it under 80 85 and you are fine.
You can achieve higher clocks with.
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.
Infinite is our first test with some serious improvements with our overclock.
Heaven 4 0 extreme settings loop 30mins 1200 1370 overclock.
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.
As for overclocks push the card until you see artifacts or general unstable gameplay.