Comparison of ZOTAC GeForce GTX 1070 AMP Extreme video card vs EVGA GeForce RTX 3080 12GB XC3 ULTRA GAMING video card by specifications and benchmarks. ZOTAC GeForce GTX 1070 AMP Extreme runs at 1.632 GHz+ 8 % base clock speed and has 8 GB of GDDR5 memory, while video card EVGA GeForce RTX 3080 12GB XC3 ULTRA GAMING runs at 1.260 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 250 W+ 67 %, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.