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Old August 25, 2009, 05:51 PM
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rjbarker rjbarker is offline
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Location: Courtenay, B.C
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Re: performance increase when two cards are linked in SLI. See the following link:

http://www.tomshardware.com/charts/desktop-vga-charts-2006/compare,603.html?prod[1677]=on&prod[1668]=on&prod[1671]=on&prod[1678]=on&prod[1670]=on&prod[1669]=on

I regularly play Oblivion, and occasionally play Half Life 2. The improvements achieved by linking two 7900GTX cards in SLI, dont impress me. They do not approach 2X the fps. My son and I both have the same card, so I tried SLI with both cards in my computer, and found that for about $300 bucks, I could purchase an ATI 4870 card and get much better performance with ONE card, and not end up overtaxing my power supply. Sure, if I buy the latest CPU (Intel i7) and motherboard (P45 chipsets and above) I can get better fps from an SLI configuration, (especially if I link 3 cards together) but in my opinion, the whole point of SLI is to achieve much better fps without upgrading the whole damn computer.
Certainly don't need to go to Toms for results, I have my own in many Benchmarks...i'll provide you with a sample
Benchmark - FC2 Short Ranch 1920 x 1200 All Ultra 8xAA
Single GTX 280 - 38 FPS avg
GTX 280 x 2 SLI - 72 FPS avg
GTX 280 x 3 Tri Sli - 93 FPS avg

Thier you have it, one example.....I'm not going to Post all of my Benches again..(they're here somewhere on this Forum)....
Your Post is really not accurate at all...comparing anything to an ancient 7xx Series SLI arrangement is like comparing 5 yr old CPU power to the present..."whats the point"??

SLI is absolutely, without a doubt, a great option for GPU / Gaming enthusiasts...I tend to find the folks that keep stating a "Powerful Single Card Solution" is better than SLI are those that really know nothing about SLI, except stuff they read on the Net....they have no "experience" with it....I believe the numbers I posted are "proof" enough of the potential of multi GPU's...

btw....I had great results going from single to SLI on a Duo Core E8400 OC'd as well...
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Last edited by rjbarker; August 25, 2009 at 06:00 PM.
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