Nvidia's GeForce GTX 480 and 470 graphics processors techreport.com/articles.x/18682 Nvidia has elected to reserve all of that double-precision power for its professional-level Tesla products. GeForce cards will get only a quarter of the DP math rate. 480 単精度1.35TFLOPS 倍精度168GFLOPS 5870 単精度2.72TFLOPS 倍精度544TFLOPS