Comparison of ASUS TUF Gaming X3 GeForce GTX 1660 SUPER OC video card vs EVGA GeForce RTX 2080 SUPER KO Gaming video card by specifications and benchmarks. ASUS TUF Gaming X3 GeForce GTX 1660 SUPER OC runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory, while video card EVGA GeForce RTX 2080 SUPER KO Gaming runs at 1.650 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 125 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.