Comparison of Gainward GeForce RTX 2080 SUPER Phantom video card vs NVIDIA GeForce GTX 980 Ti video card by specs and benchmarks. Gainward GeForce RTX 2080 SUPER Phantom runs at 1.650 GHz base clock speed and has 8 GB of GDDR6 memory, while video card NVIDIA GeForce GTX 980 Ti runs at 1.650 GHz 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.