Comparison of Sapphire Nitro+ Radeon RX Vega 64 video card vs Gainward GeForce GT 1030 SilentFX video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX Vega 64 runs at 1.373 GHz+ 10 % base clock speed and has 8 GB of HBM2 memory, while video card Gainward GeForce GT 1030 SilentFX runs at 1.227 GHz base clock speed and has 2 GB of GDDR5 memory. The TDP of the first video card is 295 W, and the second is 30 W. Compare the table of benchmark results to find out which graphic card is better.