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Unigine Heaven 4 benchmark

7950/7970 voltages limits depend on the asic of the cards, some love volts and can easily handle 1.3+, where as high asic cards like mine do not like anything over 1.24v and it will start artifacting even thou temps are below 50 and vrm's are under 70
 
kamz said:
7950/7970 voltages limits depend on the asic of the cards, some love volts and can easily handle 1.3+, where as high asic cards like mine does not like anything over 1.24v and it will start artifacting even thou temps are below 50 and vrm's are under 70
Click to expand...

The highest I have set my GPU core to is 1.3v so far and its not stable at 1200 core, reluctant to go any higher under air cooling but if it was water cooled would feel more comfortable about going higher.

At the end of the day what is the difference between what I have now compared to what might be possible with uber voltages.

Its just not worth it to look good in benchmarks.
 
1.3v for 1200 is quite lot tbh but you may just have a poor clocking core that has reached its limits, what sort of voltage do you need for 1100? also whats your asic quality?
 
kamz said:
1.3v for 1200 is quite lot tbh but you may just have a poor clocking core that has reached its limits, what sort of voltage do you need for 1100? also whats your asic quality?
Click to expand...

How do I check my ASIC quality?

For 1150 I have it set to 1.137v its just a setting I read on another forum and seems to work for me at 1150 but not above.
 
My ASIC is 59.5, nlel you can check this by clicking the graphics card icon in gpuz in the title bar.
At 1100 I use 1.185V
Stock 1010 is 1.175V

Nvm I cba for the sake of a few points :p
 
nlel1975 said:
Right got it. Mine is 61.3% is this bad?
Click to expand...

No one can give you a definitive answer on that. From what I've observed (some people won't agree) you will probably require more juice than a higher ASIC card but temps should be lower. Your clocks will depend on the silicon lottery.
 
00007_zpsaa6bfcf8.jpg


2500k @ 4.5Ghz
7970 @ 1210/1800
 
Speaking of volts, I read that 7850's safe spot is around 1.25v for day to day and 1.3v for benching. Think I'd brick my pants (and GPU) if I went over 1.225v.

Don't know if these are true are not.
 
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