Comparison of Gainward GeForce RTX 2080 Phoenix video card vs KFA2 GeForce RTX 2080 Dual Black video card by specs and benchmarks. Gainward GeForce RTX 2080 Phoenix runs at 1.515 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 weight is different, -- vs --. The TDP of the first video card is 215 W, and the second is 215 W . Compare the benchmark results to find out which video card is better.