Comparison of Sapphire Radeon RX 5700 XT 8G video card vs PNY GeForce RTX 3090 24GB XLR8 Gaming REVEL EPIC-X RGB video card by specifications and benchmarks. Sapphire Radeon RX 5700 XT 8G runs at 1.605 GHz base clock speed and has 8 GB of GDDR6 memory, while video card PNY GeForce RTX 3090 24GB XLR8 Gaming REVEL EPIC-X RGB runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory. The TDP of the first video card is 225 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.