Comparison of Sapphire Radeon RX Vega 64 LE video card vs GIGABYTE GeForce RTX 3090 GAMING OC 24G video card by specifications and benchmarks. Sapphire Radeon RX Vega 64 LE runs at 1.247 GHz base clock speed and has 8 GB of HBM2 memory, while video card GIGABYTE GeForce RTX 3090 GAMING OC 24G runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory. The TDP of the first video card is 295 W, and the second is 370 W+ 6 %. Compare the table of benchmark results to find out which graphic card is better.