Comparison of PNY GeForce GTX 1070 Ti Blower video card vs ZOTAC GAMING GeForce RTX 2080 Ti Twin Fan video card by specifications and benchmarks. PNY GeForce GTX 1070 Ti Blower runs at 1.607 GHz base clock speed and has 8 GB of GDDR5 memory, while video card ZOTAC GAMING GeForce RTX 2080 Ti Twin Fan runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 180 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.