Comparison of Sapphire Pulse Radeon RX Vega 56 video card vs KFA2 GeForce GTX 1070 EX Red Edition video card by specifications and benchmarks. Sapphire Pulse Radeon RX Vega 56 runs at 1.208 GHz+ 4 % base clock speed and has 8 GB of HBM2 memory, while video card KFA2 GeForce GTX 1070 EX Red Edition runs at 1.518 GHz+ 1 % base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 280 W+ 33 %, and the second is 150 W. Compare the table of benchmark results to find out which graphic card is better.