HardOCP has tested the gameplay performance and image quality of the latest graphics cards from AMD and NVIDIA in Valve Software's Left 4 Dead. You can check it out over here.
For this gameplay evaluation, we have chosen six of today’s newest and hottest video cards with which to examine Left 4 Dead's performance.
From NVIDIA, we have a GeForce GTX 280 with 1GB of GDDR3, an original GeForce GTX 260 with 192 shader cores and 896MB of GDDR3, and an updated GeForce GTX 260 with 216 shader cores and also with 896MB of GDDR3.
From AMD, we have the dual-GPU ATI Radeon HD 4870 X2 with 1GB of GDDR5 memory per GPU, a Radeon HD 4870 with 1GB of GDDR5 , and a Radeon HD 4870 with 512MB of GDDR5.
These six products comprise the performance mainstream and enthusiast classes of video cards from both AMD and NVIDIA and their respective partners.
The reporter concludes that price/performance-wise the NVIDIA GeForce GTX 260 with 192-shaders is the best card for Left 4 Dead, followed by the Radeon HD 4870.