Comparison of MSI GeForce GTX 980 Ti Gaming video card vs PowerColor Radeon RX 6800 Red Devil video card by specs and benchmarks. MSI GeForce GTX 980 Ti Gaming runs at 1.178 GHz+ 18 % base clock speed and has 6 GB of GDDR5 memory, while video card PowerColor Radeon RX 6800 Red Devil runs at 1.178 GHz+ 18 % 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.