Tom's Hardware > Forum > Graphic & Displays > Nvidia > 8800GTX SLI - Worth it in Vista? Power Requirements?

8800GTX SLI - Worth it in Vista? Power Requirements?

Forum Graphic & Displays : Nvidia - 8800GTX SLI - Worth it in Vista? Power Requirements?

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dave8624   09-03-2007 at 09:49:56 PM

Is it worth installing a second 8800 GTX in SLI mode for vista? I have really found a definitive answer for this. Also how much power would I need. I have a Q6700, 2 HDD, 2x DVD/RW, 2x2GB Ram on a 600 watt PSU. If this isn't enough power show I just get a new PSU or install a dedicated VGA PSU like the Thermaltake Purepower 250w PSU in my 5.25" bay? Thanks. Dave

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fate0n3   09-03-2007 at 09:53:55 PM
- 0 +

SLI from my knowledge has been fixed in Vista for all the Nvidia cards. Is it worth it now that all depends. What kind of games do you play? And at what resolutions? Now to the PSU part of it. Who makes it? I would recommend not getting a dedicated VGA PSU and just getting a new PSU. Such as the Silencer 750 it will handle more then most could ever throw at it without even trying.

------------------------------ Core 2 Duo E6600
EVGA 122-CK-NF68-A1
Corsair TWIN2x2048-6400
2x EVGA 9800GTX+ 512mb SLI
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dave8624   09-03-2007 at 09:59:12 PM
- 0 +

Fate: I mainly play FPS games like Bioshock, Crysis (in November), Far Cry, Stalker; thouse type of games. My PSU is an OCZ GameXstream. I have never replace a PSU, is it overly difficult? That's why I was thinking of the VGA PSU. Thanks.

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fate0n3   09-04-2007 at 02:02:02 AM
- 0 +

If you are gaming at 1920x1200 then SLI will show some performance gains in those kinds of games. It all just depends on what monitor resolution you play your games at. If you could tell me that i could tell you more most likely. Also no it is not diffucult at all. Did you not build your computer?

------------------------------ Core 2 Duo E6600
EVGA 122-CK-NF68-A1
Corsair TWIN2x2048-6400
2x EVGA 9800GTX+ 512mb SLI
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dave8624   09-04-2007 at 02:29:47 AM
- 0 +

I have two monitors, one at 1600x1050 and one at 1280x1050. I do my gaming on the 1600x1050 LCD. Yes I built my own computer, but the PSU can with the case. Thanks.

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badger101101   09-04-2007 at 02:35:09 AM
- 0 +

You will see "respectable" performance gains at 1600x1050. However, the performance increase ratio would be a lot greater at 1920x1200 and up. In other words, you may be able to justify the cost of SLI, but your fps may not jump as much as you think it should.

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zenmaster   09-04-2007 at 02:36:40 AM
- 0 +

For Power - Look here.....
http://www.tomshardware.com/2007/0 [...] hics_cards

Seems SLI of your card may require about 350 Watts for those cards.
Add 95w for the TDP of your Q6700. and you have 445watts for the core system and between fans, drives, etc... you may be pushing 500w.

Considering you have a no-name brand PSU, I would think you are borderline at best. If it was a Corsair/Seasonic 620w I would be less concerned.

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dave8624   09-04-2007 at 03:04:40 AM
- 0 +

Thanks. I think I'm gonna wait til November for the G92.

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