Comparison of ZOTAC GeForce GTX 1080 Ti AMP Extreme video card vs EVGA GeForce RTX 2080 Ti XC Ultra Gaming video card by specifications and benchmarks. ZOTAC GeForce GTX 1080 Ti AMP Extreme runs at 1.645 GHz+ 11 % base clock speed and has 11 GB of GDDR5X memory, while video card EVGA GeForce RTX 2080 Ti XC Ultra Gaming runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 320 W+ 28 %, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.