Comparison of KFA2 GeForce GTX 1080 EX OC video card vs ZOTAC Gaming GeForce RTX 3070 AMP Holo video card by specifications and benchmarks. KFA2 GeForce GTX 1080 EX OC runs at 1.657 GHz+ 3 % base clock speed and has 8 GB of GDDR5X memory, while video card ZOTAC Gaming GeForce RTX 3070 AMP Holo runs at 1.500 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 180 W, and the second is 240 W+ 9 %. Compare the table of benchmark results to find out which graphic card is better.