Comparison of GIGABYTE GeForce RTX 2060 GAMING OC 6G video card vs KFA2 GeForce RTX 2070 SUPER EX (1-Click OC) Black video card by specifications and benchmarks. GIGABYTE GeForce RTX 2060 GAMING OC 6G runs at 1.365 GHz base clock speed and has 6 GB of GDDR6 memory, while video card KFA2 GeForce RTX 2070 SUPER EX (1-Click OC) Black runs at 1.605 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 160 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.