Comparison of Gainward GeForce RTX 2060 SUPER Phantom GS video card vs KFA2 GeForce RTX 2080 Dual Black video card by specifications and benchmarks. Gainward GeForce RTX 2060 SUPER Phantom GS runs at 1.470 GHz base clock speed and has 8 GB of GDDR6 memory, while video card KFA2 GeForce RTX 2080 Dual Black runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 215 W+ 23 %, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.