Comparison of GIGABYTE Radeon RX 5700 XT Gaming OC 8G (rev. 2.0) video card vs XFX Speedster ZERO Radeon RX 6900 XT RGB EKWB Waterblock Limited Edition video card by specifications and benchmarks. GIGABYTE Radeon RX 5700 XT Gaming OC 8G (rev. 2.0) runs at 1.650 GHz+ 3 % base clock speed and has 8 GB of GDDR6 memory, while video card 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. The TDP of the first video card is 225 W, and the second is 300 W. Compare the table of benchmark results to find out which graphic card is better.