Comparison of ASUS ROG Strix LC GeForce RTX 3080 Ti OC video card vs NVIDIA GeForce RTX 3090 video card by specs and benchmarks. ASUS ROG Strix LC GeForce RTX 3080 Ti OC runs at 1.365 GHz base clock speed and has 12 GB of GDDR6X memory, while video card NVIDIA GeForce RTX 3090 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.