|Radeon HD5830 DirectX-11 Gaming Performance|
|Reviews - Featured Reviews: Video Cards|
|Written by Bruce Normann|
|Friday, 12 March 2010|
Page 6 of 8
DiRT-2 Demo DX11 Benchmark Results
DiRT 2 features a roster of contemporary off-road events, taking players to diverse and challenging real-world environments. This World Tour has players competing in aggressive multi-car, and intense solo races at extraordinary new locations. Everything from canyon racing and jungle trails to city stadium-based events. Span the globe as players unlock tours in stunning locations spread across the face of the world. USA, Japan, Malaysia, Baja Mexico, Croatia, London, and more venues await, as players climb to the pinnacle of modern competitive off-road racing.
In addition to the World Tour, DiRT 2 will come complete with full online functionality that will be core to the overall experience, with head-to-head competitive online play and new social features to engage the racing community. Prepare for mud, gravel, dust and dirt too, in DiRT 2.
The relative performance of the Radeon HD 5830 in the DIRT 2 Demo is pretty consistent as MSAA is first introduced, and then increased to a maximum of 8x. The 5830 reaches just 23% of the way into the gap with no MSAA, and achieves 20% at 8x MSAA. Both ends of the chart (and the middle, too) tell the same story; that the 5830 falls short of splitting the 5770-5850 performance gap in this benchmark. Fortunately, two things work in your favor with this game. One, the falloff in performance as MSAA is increased is relatively small. You only lose 11% on the HD 5830 as you go from zero to 8x MSAA. Two, both the actual game and the demo are easy loads for the graphics hardware, and the average frame rates never dipped below 30fps no matter what I did with any of the cards. Minimum frame rates are pretty high, compared to the average, as well. Once the application had been loaded into cache, minimum frame rates went up by about 10fps, and I experienced no stuttering during the benchmark.
The primary contribution that DirectX-11 makes to the DiRT 2 Demo benchmark is in the way water is displayed when a car is passing through it, and in the way cloth items are rendered. The water graphics are pretty obvious, and there are several places in the Moroccan race scene where cars are plowing through large and small puddles. Each one is unique, and they are all believable, especially when more than one car is in the scene. The cloth effects are not as obvious, except in the slower-moving menu screens; when there is a race on, there's precious little time to notice the realistic furls in a course-side flag. I should also note that the flags are much more noticeable in the actual game than in the demo, so they do add a little more to the realism there, that is absent from the benchmark. On a side note, I appreciate the fact that the built-in benchmark has variable game play. I know it's lame, but I most always watch it intently, just to see how high "my" car places. So far, my best telekinetic efforts yielded a second place finish!