Comparison of XFX Speedster SWFT 309 Radeon RX 6700 XT Core Gaming video card vs Sapphire Nitro+ Radeon RX Vega 64 LE video card by specifications and benchmarks. XFX Speedster SWFT 309 Radeon RX 6700 XT Core Gaming runs at 2.321 GHz base clock speed and has 12 GB of GDDR6 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 230 W, and the second is 295 W. Compare the table of benchmark results to find out which graphic card is better.