Comparison of Colorful iGame GeForce GTX 980 Ti KUDAN video card vs Sapphire Nitro+ Radeon RX 6800 video card by specs and benchmarks. Colorful iGame GeForce GTX 980 Ti KUDAN runs at 1.203 GHz+ 20 % base clock speed and has 6 GB of GDDR5 memory, while video card Sapphire Nitro+ Radeon RX 6800 runs at 1.203 GHz+ 20 % 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.