Comparison of GALAX GeForce RTX 4080 16GB ST (1-Click OC) video card vs KFA2 GeForce RTX 3080 SG (1-Click OC) video card by specs and benchmarks. GALAX GeForce RTX 4080 16GB ST (1-Click OC) runs at 2.205 GHz base clock speed and has 16 GB of GDDR6X memory, while video card KFA2 GeForce RTX 3080 SG (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.