Comparison of Gainward GeForce RTX 4080 Phantom video card vs Gainward GeForce RTX 3080 Phoenix video card by specifications and benchmarks. Gainward GeForce RTX 4080 Phantom runs at 2.205 GHz base clock speed and has 16 GB of GDDR6X memory, while video card Gainward GeForce RTX 3080 Phoenix runs at 1.440 GHz base clock speed and has 10 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.