Comparison of GIGABYTE Radeon RX 6900 XT Gaming OC 16G video card vs Colorful iGame GeForce RTX 2080 Ti Neptune OC-V video card by specifications and benchmarks. GIGABYTE Radeon RX 6900 XT Gaming OC 16G runs at 1.875 GHz+ 3 % base clock speed and has 16 GB of GDDR6 memory, while video card Colorful iGame GeForce RTX 2080 Ti Neptune OC-V runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 340 W+ 13 %, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.