High Quality 1920x1200 Performance
Starting at the bottom of the graph we see that increasing the resolution to 1920x1200, which is commonly used by 24" LCD screens, the new Radeon HD 5570 and 5670 graphics cards really struggled. Neither was capable of delivering playable performance and it is not until we reach the Radeon HD 5750 that what we achieve stutter-free frame rates.
The Radeon HD 5750 rendered an average frame rate of 59fps, with a minimum of 40fps. Next we see that a pair of Radeon HD 5670 graphics cards operating in Crossfire that are only able to match the performance of a single Radeon HD 5770 graphics card. The minimum frame rate is quite lower though.
The GeForce GTX 260 averaged 71fps, with a minimum of 47fps, which was very similar to the performance recorded by the Radeon HD 4870, both delivered playable performance at this resolution. The Radeon HD 4890 and GeForce GTX 275 offered a nice performance boost over their cheaper counterparts, while the Radeon HD 5850 and GeForce GTX 285 again delivered similar results.