NVIDIA launched the GeForce GTX 285 about three months ago, and in our launch article, we found it to be a very strong product. As you are no doubt aware, the GTX 285 is a replacement for the GTX 280. The GT200B GPU at the heart of the GTX 285 is nearly identical to the GTX 280’s GT200 GPU. The most significant difference between the two GPUs is that the GT200B is manufactured using a 55nm fabrication process while the GT200 is built on a 65nm process. We take our NVIDIA GeForce GTX 285 coverage further here