Comparison of ASRock Radeon RX 6700 XT Phantom Gaming D 12GB OC video card vs XFX SPEEDSTER SWFT 319 Radeon RX 6800 CORE video card by specifications and benchmarks. ASRock Radeon RX 6700 XT Phantom Gaming D 12GB OC runs at 2.457 GHz+ 6 % base clock speed and has 12 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 230 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.