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GX2 vs X1900 Crossfire and “True” SLI

All of the marketing information you will find from Nvidia shows that the GX2 is a single card solution; we have some trouble agreeing with that as the product is clearly 2 cards connected together. Given the cost of the GX2 which at this time is a shade under £400 we’ve compared it to the X1900XT and 7900GTX for the majority of our tests as there is less than £100 of a difference between the products. There is also an argument that the GX2 should be tested against other dual card solutions and therefore here are two examples of how the 7950 GX2 compares in Multi GPU mode to the 7900GTX SLI and the X1900XT in Crossfire.

The result of pairing up a set of XT’s or GTX’s is that the systems both outperform the 7950 GX2 in the latest games at high detail. The GX2 is playable on these settings at all times however the Radeon setup is clearly the performance leader. In addition to this the Radeon would also allow you to enable Anti-Aliasing in Oblivion and still maintain playability, something which is not an option for the Geforce cards.

The Crossfire and SLI systems would come at a much higher price though and here is a breakdown of how much each of the above solutions would cost:

GX2: £398 / $549

7900 GTX SLI: £634 / $798 (price of 2 GTX’s)

X1900XT CF: £575/ $738 (price of X1900CF + X1900XT)

The above prices were taken from a leading UK and US retailers known for competitive pricing.