Date:
Monday , December 07, 2009
Author:
Mark Warner
Editor:
Brent Justice
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DiRT 2 Demo DX11 Performance and IQ Preview

What are some new DX11 features DiRT 2 Demo brings with it, and what do they look like? Will DX11 cause a large drain on performance? These topics are briefly previewed today with the DiRT 2 demo and a handful of video cards.

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Test System Setup

For our test system platform we are using an ASUS P6T6 WS Revolution motherboard with an Intel Core i7 920 overclocked to 3.6GHz, and 6GB of Corsair DDR3-1600. For the power supply, we will be using a CoolerMaster Real Power Pro 1250W .

While it might be a bit "overkill," we use the 3.6GHz overclocked quad-core processor to mitigate any CPU-based bottlenecking that we may encounter by using a slower or less powerful CPU.

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Driver Setup

With both the NVIDIA and AMD video cards we will be using the latest drivers. For the NVIDIA video cards, we are using the ForceWare 195.62 WHQL driver. For the AMD video cards, we are using the Catalyst 8.673.1 hotfix driver. All drivers are designated for use with Windows 7 64-bit.

Evaluation Method

We evaluate what each video card configuration can supply us in terms of a playable gaming experience while supplying the best culmination of resolution and "eye candy" graphical settings. We focus on quality and immersion of the gameplay experience rather than how many frames per second the card can get in a canned benchmark or prerecorded timedemo situation that often do not represent real gameplay like you would experience at home. Then we will follow with apples-to-apples testing based on real gameplay as well.