Comparison of GIGABYTE GeForce RTX 4090 GAMING OC 24G video card vs GIGABYTE GeForce RTX 3090 Ti GAMING 24G video card by specs and benchmarks. GIGABYTE GeForce RTX 4090 GAMING OC 24G runs at 2.235 GHz base clock speed and has 24 GB of GDDR6X memory, while video card GIGABYTE GeForce RTX 3090 Ti GAMING 24G runs at 2.235 GHz base clock speed and has 24 GB of GDDR6X memory. The weight is different, -- vs --. The TDP of the first video card is 450 W, and the second is 450 W . Compare the benchmark results to find out which video card is better.