Comparison of Gainward GeForce RTX 3080 12GB Phoenix video card vs Gainward GeForce RTX 3080 12GB Phantom video card by specs and benchmarks. Gainward GeForce RTX 3080 12GB Phoenix runs at 1.260 GHz base clock speed and has 12 GB of GDDR6X memory, while video card Gainward GeForce RTX 3080 12GB Phantom runs at 1.260 GHz base clock speed and has 12 GB of GDDR6X memory. The weight is different, -- vs --. The TDP of the first video card is 350 W, and the second is 350 W . Compare the benchmark results to find out which video card is better.