Comparison of XFX Radeon RX 580 GTR XXX Edition 8GB Crimson video card vs PNY GeForce GTX 1660 6GB XLR8 Gaming OC Dual Fan video card by specifications and benchmarks. XFX Radeon RX 580 GTR XXX Edition 8GB Crimson runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory, while video card PNY GeForce GTX 1660 6GB XLR8 Gaming OC Dual Fan runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 185 W, and the second is 130 W+ 8 %. Compare the table of benchmark results to find out which graphic card is better.