Comparison of Colorful iGame GTX 980 Ti TOP video card vs GIGABYTE Radeon RX 6800 video card by specs and benchmarks. Colorful iGame GTX 980 Ti TOP runs at 1.127 GHz+ 13 % base clock speed and has 6 GB of GDDR5 memory, while video card GIGABYTE Radeon RX 6800 runs at 1.127 GHz+ 13 % base clock speed and has 16 GB of GDDR6 memory. The weight is different, -- vs --. The TDP of the first video card is 250 W, and the second is 250 W . Compare the benchmark results to find out which video card is better.