Comparison of XFX SPEEDSTER SWFT 319 Radeon RX 6800 CORE video card vs Sapphire Nitro+ Radeon RX Vega 56 video card by specifications and benchmarks. XFX SPEEDSTER SWFT 319 Radeon RX 6800 CORE runs at 1.700 GHz base clock speed and has 16 GB of GDDR6 memory, while video card Sapphire Nitro+ Radeon RX Vega 56 runs at 1.266 GHz+ 10 % base clock speed and has 8 GB of HBM2 memory. The TDP of the first video card is 250 W, and the second is 325 W+ 55 %. Compare the table of benchmark results to find out which graphic card is better.