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AMD Radeon HD 7970 & CrossFireX review: 28nm and GCN
by Damien Triolet
Published on February 21, 2012

The test
For this article, we decided to review our test protocol so as to include some new games: Anno 2070, Batman Arkham City, Battlefield 3, F1 2011 and Total War Shogun 2. We have also added Project Cars, a game still under development and which hasn’t yet been fully optimised. It won’t therefore be used in our index, but it will be interesting to observe the performance of different cards with it.

We have decided no longer to use the level of MSAA (4x and 8x) as the main criteria for segmenting our results. Many games with deferred rendering offer other forms of antialiasing, the most common being FXAA, developed by NVIDIA. It therefore no longer makes sense to organise an index around a certain level of antialiasing, which in the past allowed us to judge a card according to its effectiveness with MSAA, which can vary according to implementation.

At 1920x1080, we carried out the tests with a very high level of quality on the one hand, which always included some antialiasing (either MSAA 4x, or FXAA/MLAA/AAA) and on the other hand at an extreme quality level. Tests were also carried out at 2560x1600 and with a surround resolution of 5760x1080 at very high quality.

We no longer show decimals in game performance results so as to make the graph more readable. We nevertheless note these values and use them when calculating the index. If you’re observant you’ll notice that the size of the bars also reflects this.

The Radeons were tested with the beta 8.921.2-111215a drivers and the GeForces with the 290.36 drivers.

Test configuration
Intel Core i7 980X (HT and Turbo off)
Asus Rampage III Extreme
6 GB DDR3 1333 Corsair
Windows 7 64-bit
GeForce 290.36 drivers
Catalyst beta 8.921.2.111215a

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Benchmark: Anno 2070  

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