Comparison of Gainward GeForce RTX 4080 Phantom video card vs GALAX GeForce RTX 3080 EX Gamer White (1-Click OC) video card by specs 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 GALAX GeForce RTX 3080 EX Gamer White (1-Click OC) runs at 2.205 GHz base clock speed and has 10 GB of GDDR6X memory. The weight is different, -- vs --. The TDP of the first video card is 320 W, and the second is 320 W . Compare the benchmark results to find out which video card is better.