Comparison of EVGA GeForce GTX 1660 SUPER BLACK GAMING video card vs Gainward GeForce RTX 2080 Phantom GS video card by specifications and benchmarks. EVGA GeForce GTX 1660 SUPER BLACK GAMING runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory, while video card Gainward GeForce RTX 2080 Phantom GS runs at 1.515 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 215 W. Compare the table of benchmark results to find out which graphic card is better.