Comparison of XFX Speedster SWFT 319 Radeon RX 6900 XT CORE video card vs PNY GeForce GTX 1080 Ti Blower V2 video card by specifications and benchmarks. XFX Speedster SWFT 319 Radeon RX 6900 XT CORE runs at 1.825 GHz base clock speed and has 16 GB of GDDR6 memory, while video card PNY GeForce GTX 1080 Ti Blower V2 runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 300 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.