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Could my qx9650 @ 4ghz be bottlenecking my 280s in sli?

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randalldaigle   04-13-2009 at 11:50:21 PM

I've been getting bad scaling in a couple games lately (Fallout 3 and Far Cry 2). The SLI indicators are telling me that my cards spend a lot of times idling (and it costs me fps over single card mode) which is a sign of cpu bottlenecking. Vantage and Crysis show good scaling with the indicators though my CPU score is lower in Vantage than I think it should be (12 -13 000). I'm stumped. Most games are great some are costing me FPS in SLI though I see others seeing benefits.

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Bronze Graphics badge Bluescreendeath   04-13-2009 at 11:53:31 PM
- 0 +

Could a Core2Extreme-Quad Core @ 4GHz bottleneck 2 measly GTX280s?

lol...of course not you silly goose.


Your problem isn't with the CPU...maybe software or other hardware.


Message edited by Bluescreendeath on 04-13-2009 at 11:54:52 PM
------------------------------ i7 920, E5300
GTX260, HD4870, HD4830
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Bronze Graphics badge EXT64   04-13-2009 at 11:56:54 PM
- 0 +

That is a pretty good CPU. I mean, it doesn't have the memory bandwidth of an i7, but still it is no slouch. Maybe try some other drivers and tweaking of game/driver settings.

------------------------------ New Build : Intel Core i5 750 > Gigabyte GA-P55-UD4P > 2x2GB GSkill 1600MHz CL7 1.65V > Samsung Spinpoint F3 1TB >
Antec 300 Illusion > Asus 4850 512MB w/AM Cooler > Corsair 650HX > CM Hyper 212 Plus > Other: PII 940/Gigabyte 790GX/4850 1G

 

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randalldaigle   04-13-2009 at 11:57:26 PM
- 0 +

I've been uninstalling, sweeping and reinstalling drivers. Looking everywhere for anwers and getting only other with similar problems but no resolution. I just can't think of what the problem could be.

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invisik   04-14-2009 at 12:17:29 AM
- 0 +

No it would not bottleneck.

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randalldaigle   04-14-2009 at 12:22:45 AM
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Anyone have any clue other than drivers (which I've tried multiple of) could cause SLI to only function for certain programs when realistically all the programs I'm using are SLI supported?

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raybob95   04-14-2009 at 12:23:07 AM
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Would a Q9550 @ 3.2GHz/ 8Gig 1066 DDR2 bottleneck an EVGA GTX 275 SuperClocked?

Message quoted 1 times
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Bronze Graphics badge Bluescreendeath   04-14-2009 at 12:32:41 AM
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raybob95 wrote :

Would a Q9550 @ 3.2GHz/ 8Gig 1066 DDR2 bottleneck an EVGA GTX 275 SuperClocked?



Not even close. Even if you had 3xGTX275, you'd be fine.

------------------------------ i7 920, E5300
GTX260, HD4870, HD4830
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randalldaigle   04-14-2009 at 01:30:35 AM
- 0 +

Hey raybob get your own thread. >:( Just jokin'!!

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