Comparison of Colorful iGame GeForce RTX 3090 Advanced OC-V video card vs Gainward GeForce RTX 3090 Phantom video card by specs and benchmarks. Colorful iGame GeForce RTX 3090 Advanced OC-V runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory, while video card Gainward GeForce RTX 3090 Phantom runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory. The weight is different, -- vs --. The TDP of the first video card is 370 W+ 6 %, and the second is 370 W+ 6 % . Compare the benchmark results to find out which video card is better.