Comparison of ASUS GeForce GTX 980 Ti video card vs ASUS ROG Poseidon GeForce GTX 1080 Ti Platinum edition video card by specs and benchmarks. ASUS GeForce GTX 980 Ti runs at 1.000 GHz base clock speed and has 6 GB of GDDR5 memory, while video card ASUS ROG Poseidon GeForce GTX 1080 Ti Platinum edition runs at 1.000 GHz base clock speed and has 11 GB of GDDR5X 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.