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Performance in Synthetic and Semi-Synthetic Benchmarks

Futuremark 3DMark Vantage

We minimize the CPU’s influence by using the Extreme profile (1920x1200, 4x FSAA and anisotropic filtering). We also publish the results of the individual tests across all resolutions.

The SLI tandem has no problems with synthetic benchmarks. It beats the GeForce GTX 580 and Radeon HD 5970 but 3DMark is only good for measuring your overclocking success. We’ve seen in the real games that the GeForce GTX 560 Ti SLI is not that brilliant in practice.

The individual tests agree with us. The SLI tandem is only 13% ahead of the Radeon HD 5970 at 1920x1080 in the first test. That’s far from impressive. The second test is no better: the SLI configuration is a mere 4-5% ahead of the dual-processor AMD solution at 2560x1600.

Futuremark 3DMark11

We use the Extreme profile here. As opposed to 3DMark Vantage, this profile uses a resolution of 1920x1080 pixels.

The newer version of 3DMark produces more realistic results. The GeForce GTX 560 Ti SLI tandem takes its top place deservedly, but is only 10% ahead of the Radeon HD 5970.

Final Fantasy XIV Official Benchmark

This benchmark can only run at 1280x720 and 1920x1080.

The pair of GeForce GTX 560 Ti cards wins at 1920x1080, but is only 11% ahead of the single Radeon HD 6970. We have no doubt that the Radeon HD 6990 is going to outperform that SLI configuration easily.

Tom Clancy’s H.A.W.X. 2 Preview Benchmark

This benchmark makes wide use of tessellation to render the surface of the earth. The number of polygons per one frame can be as high as 1.5 million!

This test doesn’t show us anything new. The SLI configuration doesn’t scale up well here. It is only at 2560x1600 that its speed is 63% higher than the single card’s. Otherwise, the performance growth is no better than 36%. Building a SLI configuration out of two GeForce GTX 560 Ti doesn’t seem to be worthwhile. It’s easier to buy a single GeForce GTX 580 instead.

Unigine Heaven Benchmark

We use Normal tessellation in this test.

The GeForce GTX 560 Ti SLI finally shows its best. The tandem is about 40% ahead of the GeForce GTX 580 and 52-56% ahead of the Radeon HD 5970 through all the resolutions. Anyway, this test cannot save the day. We really doubt that this SLI configuration will ever be implemented as a single-PCB product.

 
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