Comparison of XFX Speedster SWFT 309 Radeon RX 6700 XT Core Gaming video card vs MSI GeForce GTX 1660 SUPER AERO ITX 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 MSI GeForce GTX 1660 SUPER AERO ITX runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 230 W, and the second is 125 W. Compare the table of benchmark results to find out which graphic card is better.