Comparison of Gainward GeForce RTX 2070 Phantom GS video card vs Manli GeForce RTX 3080 - 10GB (M3478) video card by specifications and benchmarks. Gainward GeForce RTX 2070 Phantom GS runs at 1.410 GHz base clock speed and has 8 GB of GDDR6 memory, while video card Manli GeForce RTX 3080 - 10GB (M3478) runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 185 W+ 6 %, and the second is 320 W. Compare the table of benchmark results to find out which graphic card is better.