Comparison of ASUS ROG Poseidon GeForce GTX 980 Ti Platinum video card vs ASRock Radeon RX 6800 Phantom Gaming D 16G OC video card by specs and benchmarks. ASUS ROG Poseidon GeForce GTX 980 Ti Platinum runs at 1.114 GHz+ 11 % base clock speed and has 6 GB of GDDR5 memory, while video card ASRock Radeon RX 6800 Phantom Gaming D 16G OC runs at 1.114 GHz+ 11 % base clock speed and has 16 GB of GDDR6 memory. The weight is different, -- vs 1306 g. 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.