Intel Haswell Linux Performance For Valve's Source Engine Games
When running Counter-Strike: Source at the very low resolution of 1280 x 1024, the HD Graphics 4600 performance with Linux 3.12 + Mesa 10.0 was just shy of 60 FPS on average. The performance was much better than the discrete Radeon HD 4550 and HD 6450 graphics cards on the R600 Gallium3D driver but the Haswell graphics came up just short of the HD 4650.
Counter-Strike: Source with the Haswell graphics at 1920 x 1080 lead to an average frame-rate of just 43 FPS. The Haswell integrated graphics on the open-source Linux driver was still just shy of the Radeon HD 4650 discrete AMD GPU.
Haswell graphics for Valve's popular first person shooter had an average frame-rate of 30 frames per second at 2560 x 1600. Now let's see some Team Fortress 2 numbers...