Comparison of Sapphire Pulse Radeon RX Vega 56 video card vs Sapphire Nitro+ Radeon RX Vega 64 LE video card by specifications and benchmarks. Sapphire Pulse Radeon RX Vega 56 runs at 1.208 GHz+ 4 % base clock speed and has 8 GB of HBM2 memory, while video card Sapphire Nitro+ Radeon RX Vega 64 LE runs at 1.423 GHz+ 14 % base clock speed and has 8 GB of HBM2 memory. The TDP of the first video card is 280 W+ 33 %, and the second is 295 W. Compare the table of benchmark results to find out which graphic card is better.