Comparison of Sapphire Pulse Radeon RX 590 8G G5 video card vs PNY GeForce GTX 1080 Founders Edition 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 GeForce GTX 1080 Founders Edition runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 225 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.