Comparison of GIGABYTE Radeon RX 6900 XT Gaming OC 16G video card vs KFA2 GeForce GTX 1070 EX OC video card by specifications and benchmarks. GIGABYTE Radeon RX 6900 XT Gaming OC 16G runs at 1.875 GHz+ 3 % base clock speed and has 16 GB of GDDR6 memory, while video card KFA2 GeForce GTX 1070 EX OC runs at 1.594 GHz+ 6 % base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 340 W+ 13 %, and the second is 150 W. Compare the table of benchmark results to find out which graphic card is better.