Comparison of Sapphire Nitro+ Radeon RX Vega 64 video card vs GIGABYTE Radeon RX Vega 64 Gaming OC 8G 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 GIGABYTE Radeon RX Vega 64 Gaming OC 8G runs at 1.276 GHz+ 2 % base clock speed and has 8 GB of HBM2 memory. The TDP of the first video card is 295 W, and the second is 295 W. Compare the table of benchmark results to find out which graphic card is better.