Comparison of Gainward GeForce GTX 1070 Phoenix GS video card vs ZOTAC Gaming GeForce RTX 3080 AMP Holo LHR video card by specifications and benchmarks. Gainward GeForce GTX 1070 Phoenix GS runs at 1.632 GHz+ 8 % base clock speed and has 8 GB of GDDR5 memory, while video card ZOTAC Gaming GeForce RTX 3080 AMP Holo LHR runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 150 W, and the second is 340 W+ 6 %. Compare the table of benchmark results to find out which graphic card is better.