Comparison of XFX Speedster ZERO Radeon RX 6900 XT RGB EKWB Waterblock Limited Edition video card vs Colorful iGame GeForce RTX 3080 Ultra OC 10G-V 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 Colorful iGame GeForce RTX 3080 Ultra OC 10G-V runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 300 W, and the second is 340 W+ 6 %. Compare the table of benchmark results to find out which graphic card is better.