Comparison of GIGABYTE RX 5500 XT D6 8G video card vs Colorful iGame GeForce RTX 3090 Neptune OC-V video card by specifications and benchmarks. GIGABYTE RX 5500 XT D6 8G runs at 1.647 GHz+ 2 % base clock speed and has 8 GB of GDDR6 memory, while video card Colorful iGame GeForce RTX 3090 Neptune OC-V runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory. The TDP of the first video card is 130 W, and the second is 370 W+ 6 %. Compare the table of benchmark results to find out which graphic card is better.