Comparison of PowerColor Radeon RX 6800 Red Devil Limited Edition video card vs ASUS ROG Poseidon GeForce GTX 980 Ti Platinum video card by specs and benchmarks. PowerColor Radeon RX 6800 Red Devil Limited Edition runs at 1.850 GHz+ 9 % base clock speed and has 16 GB of GDDR6 memory, while video card ASUS ROG Poseidon GeForce GTX 980 Ti Platinum runs at 1.850 GHz+ 9 % base clock speed and has 6 GB of GDDR5 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.