Comparison of Sapphire Pulse Radeon RX 590 8G G5 video card vs PNY RTX A2000 12GB video card by specifications and benchmarks. Sapphire Pulse Radeon RX 590 8G G5 runs at 1.469 GHz base clock speed and has 8 GB of GDDR5 memory, while video card PNY RTX A2000 12GB runs at 0.562 GHz base clock speed and has 12 GB of GDDR6 memory. The TDP of the first video card is 225 W, and the second is 70 W. Compare the table of benchmark results to find out which graphic card is better.