Comparison of Sapphire Nitro+ Radeon RX Vega 64 LE video card vs Gainward GeForce RTX 2070 Phantom video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX Vega 64 LE runs at 1.423 GHz+ 14 % base clock speed and has 8 GB of HBM2 memory, while video card Gainward GeForce RTX 2070 Phantom runs at 1.410 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 295 W, and the second is 175 W. Compare the table of benchmark results to find out which graphic card is better.