Which card draws more power?

battlerealms027 · Jan 9, 2016

I am comparing a HD 6770 and a HD 7790. I know the HD 7790 is far more stronger than the HD 6770 but from what i have seen the HD 6770 have a TDP of 108W and the HD 7790 have a TDP of 85W.

So what GPU draws more power?

giantbucket · Jan 9, 2016

obviously the 108W. i mean, basic math, dude. also the older design could be more power inefficient, so it's possible it's gonna use more power even doing simple things. but the difference is so minor that i wouldn't worry about it.

battlerealms027 · Jan 9, 2016

giantbucket :

Well Yeah. But I used the Math calculator for how much your pc draws power "outervision.com/power-supply-calculator"
and i get a result of 283W with the 6770HD while i get 315W with the 7790HD

giantbucket · Jan 9, 2016

no idea why they would do that. perhaps they're messed up? these two comparisons support that the 7790 is lower power consumption AND better performance. but the difference is so minor that it doesn't matter all THAT much...

http://www.hwcompare.com/14347/radeon-hd-6770-vs-radeon-hd-7790/

http://www.game-debate.com/gpu/index.php?gid=1637&gid2=485&compare=radeon-hd-7790-vs-radeon-hd-6770

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Which card draws more power?

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