Comparison of Gainward GeForce RTX 4080 Phantom GS video card vs NVIDIA GeForce RTX 4080 video card by specifications and benchmarks. Gainward GeForce RTX 4080 Phantom GS runs at 2.205 GHz base clock speed and has 16 GB of GDDR6X memory, while video card NVIDIA GeForce RTX 4080 runs at 2.205 GHz base clock speed and has 16 GB of GDDR6X memory. The TDP of the first video card is 320 W, and the second is 320 W. Compare the table of benchmark results to find out which graphic card is better.