Comparison of ZOTAC GeForce GTX 1070 OEM video card vs ZOTAC GAMING GeForce RTX 2080 Ti AMP MAXX video card by specifications and benchmarks. ZOTAC GeForce GTX 1070 OEM runs at 1.506 GHz base clock speed and has 8 GB of GDDR5 memory, while video card ZOTAC GAMING GeForce RTX 2080 Ti AMP MAXX runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 150 W, and the second is 300 W+ 20 %. Compare the table of benchmark results to find out which graphic card is better.