Comparison of XFX Speedster SWFT 309 Radeon RX 6700 XT Core Gaming video card vs GIGABYTE Radeon RX Vega 56 Gaming OC 8G 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 GIGABYTE Radeon RX Vega 56 Gaming OC 8G runs at 1.170 GHz+ 1 % base clock speed and has 8 GB of HBM2 memory. The TDP of the first video card is 230 W, and the second is 250 W+ 19 %. Compare the table of benchmark results to find out which graphic card is better.