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Gigabyte 670 vs 7970 - Page 3

post #21 of 27
Quote:
Originally Posted by compuman145 View Post

Actually yeah, I was thinking he paid something stupid like £500 for it, if he did then he was a complete fool but if it was only like £350 then it's a good deal...

BTW, that 650w PSU, Nope, not a chance will it handle a 690

The GPU on it's own pulls around 450w, plus about another 200w for the rest of your machine (Being very, very conservative here) and given the fact that that PSU can push 24Amps at the 8pin 12v rail, I doubt it'll stand up to the consumption, if it does it won't do it for long. The card itself will do around 30 - 35amps

If my 750w PSU can handle a 3770k @ 4.9Ghz (1.420v), and two 770's @ 1384Mhz in SLI (1.350mv... 300% TDP), plus at least 15 more extra components (including fans, keyboard etc). His 650w PSU should be able to handle the 690 and other components at stock, and maybe even mild overclock tongue.gif.
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post #22 of 27
Quote:
Originally Posted by Yungbenny911 View Post

If my 750w PSU can handle a 3770k @ 4.9Ghz (1.420v), and two 770's @ 1384Mhz in SLI (1.350mv... 300% TDP), plus at least 15 more extra components (including fans, keyboard etc). His 650w PSU should be able to handle the 690 and other components part at stock, and maybe even mild overclock tongue.gif.

I just checked his 12v rails again, they have 60amps in total,

yeah he should be ok...
post #23 of 27
Quote:
Originally Posted by compuman145 View Post

Your 12v rail pushes through 62Amps genius..... That's why your machine can run that..

His power supply pushes through 24amps, which is why it can't.
Quote:
Originally Posted by compuman145 View Post

I just checked his 12v rails again, they have 60amps in total,

yeah he should be ok...

Oh... Who's the genius again? rolleyes.gif. always double-check before you use your "sharp" mouth.
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post #24 of 27
Thread Starter 
Thanks for the clarification, folks. I intend to upgrade the PSU in the next few weeks but wanted to know if this one could handle the load for a short while.

The problem being that this PSU has no 8-pin connectors. Can I get away with converters? I can make a new thread if necessary, but don't want to make unnecessary posts if we can contain it in the one thread.

Thanks smile.gif
Edited by Skerne - 9/18/13 at 2:27am
post #25 of 27
Quote:
Originally Posted by Skerne View Post

Thanks for the clarification, folks. I intend to upgrade the PSU in the next few weeks but wanted to know if this one could handle the load for a short while.

The problem being that this PSU has no 8-pin connectors. Can I get away with converters? I can make a new thread if necessary, but don't want to make unnecessary posts if we can contain it in the one thread.

Thanks smile.gif

Mine only has 6 pin connectors too, but my 770's came with 6 to 8pin connectors. Works just fine wink.gif. If the 690 does not come with something similar, you can buy them separately.
Warning: Spoiler! (Click to show)
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CoolingCoolingCoolingCooling
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post #26 of 27
Thread Starter 
Quote:
Originally Posted by Yungbenny911 View Post

Mine only has 6 pin connectors too, but my 770's came with 6 to 8pin connectors. Works just fine wink.gif. If the 690 does not come with something similar, you can buy them separately.
Warning: Spoiler! (Click to show)

Perfect. Thank you very much. (That's a nice card....)

Thank you all for your help. I'll give it a go and see what happens. Thanks for saving my hide and for the advice smile.gif
post #27 of 27
Between the 670 and the 7970, the HD 7970 http://amzn.to/1gzxgDJ is a better choice by far. It's a much more powerful card in the same price range.
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