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Thinking of selling GTX 460 SLI and going RED - Page 3

post #21 of 33
Quote:
Originally Posted by PappaSmurfsHarem View Post
What in the red faction is comparable to 460 SLI. I suppose a single card solution. Unless there's a way to Xfire my P5N-D board. Also what do you think would be a reasonable Craigslist price for the 460s. I want same or better performance. As I probably will not upgrade my CPU soon, and I'm sick of this FERMI Core2 low GPU usage crap.
Dude, switching to AMD is not going to help you with a CPU bottleneck. Upgrading the GPU will actually make it worse. You're getting low GPU usage because that old QX9550 can't keep up with SLI 460's, much less CF 6950's....
post #22 of 33
Quote:
Originally Posted by adzsask View Post
Keep em, I wen from a q9400 to 950. If I were you i'd grab a matx 1155 mobo, RAM and an i3, just built the gf an i3 rig it is FAST.
OH yeah...the I3 rig is pretty cheap too and can kick some tail. Just depends on what you want. If you feel you need a six core CPU go with AMD. (though most people will not ustilize six cores for a long time yet, I think the I3 might be the better route)

Regardless, the cards are not the item at fault here. So you aren't changing out the "broken" part.

Though I am pretty sure a Q9550 should be able to keep up with SLI 460s. There must be some other technical issue at fault. It could even be in the motherboard. This is the first I've heard of it. Is this only a BC2 thing? From the benches I've seen that game is really CPU heavy...so maybe a Q9550 can't keep up in that game. I boycotted BC2 for not having prone and remained true to my boycott so I can't speak with first hand experience.
Edited by Vagrant Storm - 7/19/11 at 8:25am
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post #23 of 33
Pretty sure a CPU upgrade would help u more than a gpu change. The 460's in SLI are a powerful combination.
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post #24 of 33
Thread Starter 
Quote:
Originally Posted by Majin SSJ Eric View Post
Dude, switching to AMD is not going to help you with a CPU bottleneck. Upgrading the GPU will actually make it worse. You're getting low GPU usage because that old QX9550 can't keep up with SLI 460's, much less CF 6950's....
Yes but my 460s perform worse than My 260 its definitely a Fermi issue. Users with similar setup and ati cards report near full usage. But it sounds like I'll have to bite the bullet upgrade cpu motherboard and memory

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post #25 of 33
Thread Starter 
Quote:
Originally Posted by Vagrant Storm View Post
OH yeah...the I3 rig is pretty cheap too and can kick some tail. Just depends on what you want. If you feel you need a six core CPU go with AMD. (though most people will not ustilize six cores for a long time yet, I think the I3 might be the better route)

Regardless, the cards are not the item at fault here. So you aren't changing out the "broken" part.

Though I am pretty sure a Q9550 should be able to keep up with SLI 460s. There must be some other technical issue at fault. It could even be in the motherboard. This is the first I've heard of it. Is this only a BC2 thing? From the benches I've seen that game is really CPU heavy...so maybe a Q9550 can't keep up in that game. I boycotted BC2 for not having prone and remained true to my boycott so I can't speak with first hand experience.
It is a pretty well known issue check out the nvidia thread there is a sticky post on it. There is just something weird with core2's and Fermi cards

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post #26 of 33
I'm thinking about getting a 2gb 460 for 120 lol.
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post #27 of 33
Quote:
Originally Posted by PappaSmurfsHarem View Post
Yes but my 460s perform worse than My 260 its definitely a Fermi issue. Users with similar setup and ati cards report near full usage. But it sounds like I'll have to bite the bullet upgrade cpu motherboard and memory

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That actually makes sense in terms of a bottleneck. The CPU can only do so much and when you add tons more GPU processing power than it can handle your results get worse. Your CPU has no problem supplying a 260 with data but two 460's overwhelm it and you get worse performance. That's why a guy with a C2D and a GTX 580 would get less FPS than a guy with SB and a GTS 450...
post #28 of 33
Quote:
Originally Posted by Majin SSJ Eric View Post
That actually makes sense in terms of a bottleneck. The CPU can only do so much and when you add tons more GPU processing power than it can handle your results get worse. Your CPU has no problem supplying a 260 with data but two 460's overwhelm it and you get worse performance. That's why a guy with a C2D and a GTX 580 would get less FPS than a guy with SB and a GTS 450...

Shouldn't get worse. It should be the same or better.
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post #29 of 33
Quote:
Originally Posted by huhh View Post
Shouldn't get worse. It should be the same or better.
Actually he is right I went through it with my q9400, that procesor at 3.8 bottlenecked my 275(almost same performance as my 9800GTX+) even let alone 2 460's...
    
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post #30 of 33
Quote:
Originally Posted by Majin SSJ Eric View Post
That actually makes sense in terms of a bottleneck. The CPU can only do so much and when you add tons more GPU processing power than it can handle your results get worse. Your CPU has no problem supplying a 260 with data but two 460's overwhelm it and you get worse performance. That's why a guy with a C2D and a GTX 580 would get less FPS than a guy with SB and a GTS 450...
I SERIOUSLY doubt that a C2D (or Quad) + 580 would get fewer frames than a SB + GTS 450. (In practically any game) Extraordinary claims require extraordinary evidence.

OP: You do need a CPU upgrade. And nothing AMD/ATI has will keep up with the 460s except a 6990. (Unless you go multi GPU, then get 2 6870s). Also: "Usage" percentages is a useless number. You need to compare you actual FPS with other people running the same game at the same settings. If you're getting 60% "usage" and another guy with a 6970 is getting 99%, if you're getting more FPS then you're still ahead.

Maxing usage on my cards is as simple as turning off V-sync/cranking up the AA. Even with a stock 2.94ghz CPU.
Edited by pursuinginsanity - 7/21/11 at 10:26am
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