Comparison of Sapphire Radeon VII video card vs EVGA GeForce GTX 1070 Ti GAMING video card by specifications and benchmarks. Sapphire Radeon VII runs at 1.400 GHz base clock speed and has 16 GB of HBM2 memory, while video card EVGA GeForce GTX 1070 Ti GAMING runs at 1.607 GHz base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 300 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.