Comparison of KFA2 GeForce RTX 2080 EX OC video card vs Gainward GeForce RTX 3070 Phoenix video card by specifications and benchmarks. KFA2 GeForce RTX 2080 EX OC runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory, while video card Gainward GeForce RTX 3070 Phoenix runs at 1.500 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 215 W, and the second is 220 W. Compare the table of benchmark results to find out which graphic card is better.