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The AMD Driver Thread
- Thread starter LtMatt
- Start date
Man of Honour
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- 12 Jul 2005
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My Asrock RX7900GRE Steel Legend OC will draw over 450w if I enable max power, even undervolted it pulls around 300w depending on the game.
Yeh thats what my issue was.
Was using a Corsair 850W PSU Platinum.
But it was old and that's what was happening...
How old was your PSU?
Power draw on some of the AIB cards are insane my Sapphire Pulse 7900gre is around 250-260w @stock and never goes above 300w even with the powerset to the max in the driver lol
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I don't know how TPU does it TBH but there data base has a GPU spec sheet with a suggested PSU for every single GPU made for the last 20+ years so guessing they have some idea of what they are doing but, they are just basing it off the reference design. and aftermarket cards can be quite a bit more power hungry...
I don't necessarily trust undervolting much, at least not by that amount, my GPU can pass a 100mv undervolt stress testing all day, or all week long, a couple more weeks doing nothing more innocuous than gaming and suddenly out of nowhere it randomly crashes, it might be fine again for another couple of weeks and crash again.
Because its passed all the stress testing and lasted a couple of weeks you're thinking well it can't be that? Right? Yeah no... it is. i have been running a 40mv undervolt for the last two years, its rock solid at that.
Not sure tbh but I think off top of my head 8-10 years
Reduce the Power Limit into negative if your having stability issues to reduce spikes/increase stability if you can't upgrade your PSU any time soon.
Ran a 79XTX undervolted AND a negative Power Limit on a 600w PSU Evga fine for months before a new psu was bought.
Ran a 79XTX undervolted AND a negative Power Limit on a 600w PSU Evga fine for months before a new psu was bought.
Superflower 1300W, 13 yrs old, never had any gpus coil whine and it started off life with 290X CrossFire...Out of curiosity i had a look when i bought my EVGA 650 GS PSU.... mid 2015, its 11 years old
Still works perfectly tho, i'm sad that EVGA are no more.
if we've jinxed it....
me n u r done.
This is what I'm rocking for last few months. I think I'm covered. 
That's quite the beast!This is what I'm rocking for last few months. I think I'm covered.
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How far into the negative did you go?
Out of curiosity i had a look when i bought my EVGA 650 GS PSU.... mid 2015, its 11 years old
Still works perfectly tho, i'm sad that EVGA are no more.
I've got an old Antec Quadro 850w was used for around 12years in a few different builds.Superflower 1300W, 13 yrs old, never had any gpus coil whine and it started off life with 290X CrossFire...
if we've jinxed it....
me n u r done.
Man of Honour
- Joined
- 12 Jul 2005
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- Aberlour, NE Scotland
It will vary from card to card. My 7900GRE will go as low as -4 but I run it at -5 just to ensure full stability but I run a undervolt as well.
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Ok thanks for the info. Will try mine at -30 to 49mv and a -4 PL. Just until I can pick up a new PSU.
On that psu the XTX was -5 or -10 Power Limit depending on the game and fps, (I run per game profiles as they never reset to default) always runs an uv 1100 stock is 1175 iirc.
Ok another new lesson learned about the AMD Adrenaline, game profiles don't rest but the tuning section does, quite often lol.
Thanks for the info!