Comparison of PowerColor Fighter Radeon RX 6600 XT video card vs XFX SPEEDSTER SWFT 319 Radeon RX 6800 CORE video card by specifications and benchmarks. PowerColor Fighter Radeon RX 6600 XT runs at 1.968 GHz base clock speed and has 8 GB of GDDR6 memory, while video card XFX SPEEDSTER SWFT 319 Radeon RX 6800 CORE runs at 1.700 GHz base clock speed and has 16 GB of GDDR6 memory. The TDP of the first video card is 160 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.