Comparison of ZOTAC GeForce GTX 1080 Ti Blower video card vs ZOTAC GAMING GeForce RTX 2070 AMP Extreme Core video card by specifications and benchmarks. ZOTAC GeForce GTX 1080 Ti Blower runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory, while video card ZOTAC GAMING GeForce RTX 2070 AMP Extreme Core runs at 1.410 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 250 W, and the second is 225 W+ 29 %. Compare the table of benchmark results to find out which graphic card is better.