Comparison of ASUS Dual GeForce GTX 1660 TI OC video card vs EVGA GeForce RTX 2080 SUPER XC Gaming video card by specifications and benchmarks. ASUS Dual GeForce GTX 1660 TI OC runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory, while video card EVGA GeForce RTX 2080 SUPER XC Gaming runs at 1.650 GHz base clock speed and has 8 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.