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post #41 of 123
Quote:
Originally Posted by Matt-Matt View Post

A good quality 550W unit will handle a 670 or a 7950 and probably a 7970 or 7950. That being said I'd go with a 7950 for slightly less power draw compared to the 7970 smile.gif
EDIT: well it depends on how old the PSU is too, and the CPU/HDD's and if he's using a water cooler or cathodes or anything extra I guess.

Lol, then my psu must suck.

im getting 612w power draw on a 6970.

and everything in my sig with 1 cathode. lol.
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post #42 of 123
Quote:
Originally Posted by desekraetorr View Post

Wow, so much helpful feedback!!! And from reading the thread kyismaster, I'm more inclined to lean on AMD choices now. I'm seriously considering the 7950 Sapphire X dual fans right now,
http://www.tipidpc.com/viewitem.php?iid=19352058
But i'll try to be bullish and eke out cash for this too:
http://www.tipidpc.com/viewitem.php?iid=19666326
Thank you very much OCN guys!!! Signing up on this joint was a great idea.

That's exactly how I felt when I first joined here! biggrin.gif
Get the 7950 over the 7970, as you've only got a 550W PSU and it uses less power. It's a much better choice given the performance/dollar ratio.
Quote:
Originally Posted by kyismaster View Post

Lol, then my psu must suck.
im getting 612w power draw on a 6970.
and everything in my sig with 1 cathode. lol.

Well power supplies become less efficient while not at 90% or so, a 6970 also uses 50 Watts more then a 7950 and you also have that cathode and does that include your monitors too possibly? I feel as if that power draw is a bit higher then what it should be.. Then again the 800W PSU is only pulling 2/3rds of what it's designed to.

EDIT: that is using this to compare the cards.
 
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post #43 of 123
Quote:
Originally Posted by Matt-Matt View Post

That's exactly how I felt when I first joined here! biggrin.gif
Get the 7950 over the 7970, as you've only got a 550W PSU and it uses less power. It's a much better choice given the performance/dollar ratio.
Well power supplies become less efficient while not at 90% or so, a 6970 also uses 50 Watts more then a 7950 and you also have that cathode and does that include your monitors too possibly? I feel as if that power draw is a bit higher then what it should be.. Then again the 800W PSU is only pulling 2/3rds of what it's designed to.
EDIT: that is using this to compare the cards.

Well it is silver certified and 7 months old and sorry OP for overtaking the thread.
my whole rig runs at 100% 24/7 because its my dedicated folding rig, so Im not sure.

Are you taking it on idle or from load?

both cpu and gpu are oc'd
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post #44 of 123
OP which coolermaster PSU model do you have. the amps on the +12v rail are important. for HD 7970 and HD 7950 , 40A on +12v rail would be required. the coolermaster GX550 has 44A on +12v rail while the extreme power only has 32A on the +12v rail.

GX550
http://www.coolermaster.com/product.php?product_id=5888

eXtreme Power Plus 550W
http://www.coolermaster.in/product.php?product_id=6641

so if you have the extreme power get a high quality modular PSU like the Corsair TX550M or Seasonic M12II 520.
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post #45 of 123
Thread Starter 
Quote:
Originally Posted by kyismaster View Post

Well it is silver certified and 7 months old and sorry OP for overtaking the thread.

Doesn't matter, I'm learning a lot!
post #46 of 123
Thread Starter 
Quote:
Originally Posted by raghu78 View Post

OP which coolermaster PSU model do you have. the amps on the +12v rail are important. for HD 7970 and HD 7950 , 40A on +12v rail would be required. the coolermaster GX550 has 44A on +12v rail while the extreme power only has 32A on the +12v rail.
GX550
http://www.coolermaster.com/product.php?product_id=5888
eXtreme Power Plus 550W
http://www.coolermaster.in/product.php?product_id=6641
so if you have the extreme power get a high quality modular PSU like the Corsair TX550M or Seasonic M12II 520.

http://cdn.sulitstatic.com/images/2012/0825/044448134_0443016760a511ed45b86feb9132973e8973a6dd7d0ea62bf.jpg

This is mine. It's a photo of my PSU, I was selling my PC.
post #47 of 123
Quote:
Originally Posted by kyismaster View Post

Well it is silver certified and 7 months old and sorry OP for overtaking the thread.
my whole rig runs at 100% 24/7 because its my dedicated folding rig, so Im not sure.
Are you taking it on idle or from load?
both cpu and gpu are oc'd

Ah yes overclocking does take a toll on the PSU also, folding will also load the GPU like a benchmarking tool. In the fact that it will always draw more power then what games or just general use would do. Run your system with Intel Burn Test then encode/convert a file with a program that will max out the CPU I can guarantee that it'll use less power and produce less heat.

I mean from load too, it really is dependant on the CPU though. If the OP has something Phenom-like that is 125W+ then there is noway that it'll run on a 550W PSU but if he has something like a 3570k, 3770k etc he should be OK but it'll still be pushing the PSU a lot.

A 550W isn't ideal, but it should work in theory... As long as OP isn't overclocking to the max I think he should be OK but personally I'd upgrade it when I could afford it.
Another reason why the OP should get a 7950 and save the cash for a better PSU.

EDIT: doh.gif after all that it looks like the PSU doesn't have anywhere near enough amps.. I was assuming that the PSU was okay and would have had enough amps.
 
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post #48 of 123
Thread Starter 
Or I can hack 2 of my 10 550-watt PSUs and link them together together? ph34r-smiley.gif
post #49 of 123
Quote:
Originally Posted by Matt-Matt View Post

Ah yes overclocking does take a toll on the PSU also, folding will also load the GPU like a benchmarking tool. In the fact that it will always draw more power then what games or just general use would do. Run your system with Intel Burn Test then encode/convert a file with a program that will max out the CPU I can guarantee that it'll use less power and produce less heat.
I mean from load too, it really is dependant on the CPU though. If the OP has something Phenom-like that is 125W+ then there is noway that it'll run on a 550W PSU but if he has something like a 3570k, 3770k etc he should be OK but it'll still be pushing the PSU a lot.
A 550W isn't ideal, but it should work in theory... As long as OP isn't overclocking to the max I think he should be OK but personally I'd upgrade it when I could afford it.
Another reason why the OP should get a 7950 and save the cash for a better PSU.
EDIT: doh.gif after all that it looks like the PSU doesn't have anywhere near enough amps.. I was assuming that the PSU was okay and would have had enough amps.

thumb.gif Good eye.

That almost reminded me of the time when this one guy bought a case with a psu, but the psu that came with the case was marked 800w but was only 20amps!!!

that was a big catastrophe, he tried to boot his rig for the first time and it fried everything lol.


Edited by kyismaster - 11/4/12 at 1:40am
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post #50 of 123
Quote:
Originally Posted by desekraetorr View Post

Or I can hack 2 of my 10 550-watt PSUs and link them together together? ph34r-smiley.gif

ph34r-smiley.gif I did that for my Car stereo amp Its kinda bulky and messy, but hey, worked for my speakers (( car stereo inside my house ))
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