Comparison of XFX Speedster SWFT 309 Radeon RX 6700 XT Core Gaming video card vs ZOTAC GeForce GTX 1080 Ti AMP Extreme 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 ZOTAC GeForce GTX 1080 Ti AMP Extreme runs at 1.645 GHz+ 11 % base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 230 W, and the second is 320 W+ 28 %. Compare the table of benchmark results to find out which graphic card is better.