Comparison of KFA2 GeForce RTX 2080 Dual Black video card vs ZOTAC GAMING GeForce RTX 2080 Blower video card by specs and benchmarks. KFA2 GeForce RTX 2080 Dual Black runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory, while video card ZOTAC GAMING GeForce RTX 2080 Blower 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.