Comparison of KFA2 GeForce RTX 3080 SG (1-Click OC) video card vs NVIDIA GeForce RTX 4080 video card by specs and benchmarks. KFA2 GeForce RTX 3080 SG (1-Click OC) runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory, while video card NVIDIA GeForce RTX 4080 runs at 1.440 GHz base clock speed and has 16 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.