We would like to thank the following companies for supplying and supporting us with our test system hardware and equipment: Intel, ASRock, Kingston, Mittoni, Noctua and Corsair.
Being such a new high end card, we've got a large line-up of models we'll be comparing the Sapphire HD 6990 4GB to, and because it's a dual GPU card we'll be putting a lot of the focus on dual GPU setups from both AMD and NVIDIA.
On the AMD front we've got the stand alone flagship single GPU HD 6970 2GB; we've also got the HD 6870, HD 6950 and the HD 6970 all in CrossFire. For NVIDIA we've got their flagship model, the GTX 580, and we've also got the GTX 560 Ti and GTX 580 in SLI.
We would've liked to have included a HD 5970 2GB, but both of my samples are dead and have been for a little while now. It's the main reason we don't use the model anymore in our Catalyst articles.
The focus is indeed dual GPU setups and that's because while the HD 6990 4GB is only a single card, it does carry with it two cores and it's important to know how this single card compares to those dual GPU, dual card setups.
Also, initially we'll be just testing the HD 6990 4GB at its out of the box speed, which is "Position 2" on the Dual BIOS switch. We will look at "Position 1" or "AUSUM" mode when we also look at overclocking in a separate article coming soon.
Let's get started!
Version and / or Patch Used: 1.0
Developer Homepage: http://www.futuremark.com
Product Homepage: http://www.3dmark.com/3dmark11/
Buy It Here
3DMark 11 is the latest version of the world's most popular benchmark. Designed to measure your PC's gaming performance 3DMark 11 makes extensive use of all the new features in DirectX 11 including tessellation, compute shaders and multi-threading. Trusted by gamers worldwide to give accurate and unbiased results, 3DMark 11 is the best way to consistently and reliably test DirectX 11 under game-like loads.
Straight out the gate we can see the kind of performance we're getting out of the box from the HD 6990 4GB. Overall it's a little behind the HD 6970 CF setup as we would expect and a little behind the GTX 580 SLI setup. Clearly the fastest single card solution here, though.
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