Comparison of XFX Speedster ZERO Radeon RX 6900 XT RGB EKWB Waterblock Limited Edition video card vs ZOTAC GAMING GeForce RTX 3070 Ti Trinity video card by specifications and benchmarks. XFX Speedster ZERO Radeon RX 6900 XT RGB EKWB Waterblock Limited Edition runs at 2.200 GHz+ 21 % base clock speed and has 16 GB of GDDR6 memory, while video card ZOTAC GAMING GeForce RTX 3070 Ti Trinity runs at 1.580 GHz base clock speed and has 8 GB of GDDR6X memory. The TDP of the first video card is 300 W, and the second is 290 W. Compare the table of benchmark results to find out which graphic card is better.