Comparison of KFA2 GeForce RTX 3080 Ti HOF video card vs NVIDIA GeForce RTX 3090 Founders Edition video card by specs and benchmarks. KFA2 GeForce RTX 3080 Ti HOF runs at 1.365 GHz base clock speed and has 12 GB of GDDR6X memory, while video card NVIDIA GeForce RTX 3090 Founders Edition runs at 1.365 GHz base clock speed and has 24 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.