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The results of the AMD Radeon HD 6970 cards are red in the diagrams. The Nvidia GeForce GTX 570s are traditionally green. Let’s now take a look at the numbers.

3DMark Vantage

The Radeon HD 6970 pair doesn’t boast high scalability compared to the single card and is also inferior to the GeForce GTX 570 SLI configuration. The gap is rather large in the FSAA-less mode although a GTX 570 is cheaper than an HD 6970.

3DMark 2011

The new version of the benchmarking suite has a different picture to show us: the two Radeon HD 6970s outperform the single such card by 83% and more. The GeForce GTX 570 SLI, on its part, is faster than the single GTX 570 by 77% and more. As a result, the multi-GPU tandems from AMD and Nvidia are roughly equal to each other in this test.

Unigine Heaven Demo

Unigine Heaven allows the CrossFireX configuration to be 93% to 105% faster than the single Radeon HD 6970. That’s excellent scalability, yet AMD’s solution is inferior to the GeForce GTX 570 both in single-card and multi-GPU modes, although the performance boost of the GeForce GTX 570 SLI is only 77% and 87% compared to the single such card. Nvidia’s product seems to cope better than AMD’s with the extremely high-level tessellation this test makes use of.


The scalability of the Radeon HD 6970 CrossFireX subsystem varies from 63% to 100% (at 2560x1600 in the high-quality mode). As a result, the Radeon HD 6970 tandem is somewhat faster than the GeForce GTX 570 SLI although the respective single cards deliver the same performance in Crysis.

Far Cry 2

The Radeon HD 6970 shows high scalability in Far Cry 2 as well, being 81% and further ahead of the single card. The GeForce GTX 570 is somewhat faster than the AMD solution in every mode and configuration here, but Far Cry 2 doesn’t really need more than one fast graphics card to run at a playable speed even at the highest quality settings.

BattleForge: Lost Souls

The multi-GPU configurations from both AMD and Nvidia are excellent in terms of scalability in BattleForge: Lost Souls. Their performance increase is 88% and higher, which is a very good result for top-end graphics cards. The competitors are roughly equal across all the display modes, yet the GeForce GTX 570 is somewhat faster when we turn on full-screen antialiasing. It must be noted that the game’s system requirements are high and the CrossFireX and SLI tandems are going to be very useful for playing it with comfort.

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