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 03 May 2006
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NVIDIA GeForce 7900 GT Graphics Card Review Rev. 2.0
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SLI Vs. Overclocking Comparison

Notes

SLI
450 MHz core
660 MHz memory
Overclocked
558 MHz core
784 MHz memory
Stock
450 MHz core
660 MHz memory
Test Settings
16xAF
4xAA

 

Quake 4

Like Doom 3, Quake 4 also benefited more from running two cards in SLI. But the overclocked GeForce 7900 GT came nudged a little closer to the performance of the two cards in SLI.

 

3DMark 06

According to 3DMark 06, running two GeForce 7900 GT cards in SLI will only give you about 52% better performance than a single card. That doesn't sound like much, but the results also show that overclocking the GeForce 7900 GT only increased its 3DMark 06 score by a mere 16%.

Again, running two cards in SLI would give you a bigger boost in performance over both a single card and an overclocked single card. The margins in this SM 2.0 test were 81.5% and 48% respectively.

It was almost the same in the SM3.0 test, where running two cards in SLI produced the greatest improvement in performance over the single card. Of course, overclocking a single card is free, whereas you will need to fork out a lot of cash for another GeForce 7900 GT to run two in SLI.



 

 
   
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