Comparison of NVIDIA GeForce GTX 980 Ti video card vs GALAX GeForce RTX 2080 SUPER EX Gamer video card by specifications and benchmarks. NVIDIA GeForce GTX 980 Ti runs at 1.002 GHz base clock speed and has 6 GB of GDDR5 memory, while video card GALAX GeForce RTX 2080 SUPER EX Gamer runs at 1.650 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 250 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.