Comparison of EVGA GeForce GTX 1080 Ti FTW3 ELITE GAMING SILVER video card vs ZOTAC GeForce GTX 980 Ti AMP! video card by specifications and benchmarks. EVGA GeForce GTX 1080 Ti FTW3 ELITE GAMING SILVER runs at 1.569 GHz+ 6 % base clock speed and has 11 GB of GDDR5X memory, while video card ZOTAC GeForce GTX 980 Ti AMP! runs at 1.051 GHz+ 5 % base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 250 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.