Do I really even need to do this? If you are a PC gamer, even if you can't afford it, you keep up with graphics cards released to take the title of the most powerful GPU on the market. The ASUS GeForce GTX 690 is a 28 nm GPU with 3072 Nvidia CUDA cores at 1019 MHz, 4 GB of GDD5 memory at 4096 MHz effective over a 512-bit interface, and all in a two slot design.
This is the most powerful graphics card to date. Any benchmark or game performance you are thinking about, this card is the best at it. And if you are going to spend this kind of money on a GTX 690, ASUS is a great brand to trust.