Comparison of SAPPHIRE Radeon RX 6700 video card vs XFX SPEEDSTER SWFT 309 Radeon RX 6700 CORE Gaming video card by specs and benchmarks. SAPPHIRE Radeon RX 6700 runs at 1.941 GHz base clock speed and has 10 GB of GDDR6 memory, while video card XFX SPEEDSTER SWFT 309 Radeon RX 6700 CORE Gaming runs at 1.941 GHz base clock speed and has 10 GB of GDDR6 memory. The weight is different, -- vs --. The TDP of the first video card is 220 W+ 26 %, and the second is 220 W+ 26 % . Compare the benchmark results to find out which video card is better.