Comparison of Gainward GeForce GTX 1660 TI Pegasus video card vs EVGA GeForce RTX 2080 Ti XC Black Edition Gaming video card by specifications and benchmarks. Gainward GeForce GTX 1660 TI Pegasus runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory, while video card EVGA GeForce RTX 2080 Ti XC Black Edition Gaming runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 120 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.