Comparison of Sapphire Radeon RX Vega 64 video card vs ASUS Turbo GeForce GTX 1070 Ti video card by specifications and benchmarks. Sapphire Radeon RX Vega 64 runs at 1.247 GHz base clock speed and has 8 GB of HBM2 memory, while video card ASUS Turbo GeForce GTX 1070 Ti runs at 1.607 GHz base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 295 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.