Comparison of Manli GeForce GTX 980 Ti Ultimate video card vs ASUS Dual GeForce RTX 2080 Ti OC video card by specifications and benchmarks. Manli GeForce GTX 980 Ti Ultimate runs at 1.102 GHz+ 10 % base clock speed and has 6 GB of GDDR5 memory, while video card ASUS Dual GeForce RTX 2080 Ti OC runs at 1.350 GHz base clock speed and has 11 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.