Comparison of ASRock Radeon RX 5600 XT Challenger D 6G OC video card vs PNY GeForce GTX 1660 6GB XLR8 Gaming OC Single Fan video card by specifications and benchmarks. ASRock Radeon RX 5600 XT Challenger D 6G OC runs at 1.420 GHz+ 26 % base clock speed and has 6 GB of GDDR6 memory, while video card PNY GeForce GTX 1660 6GB XLR8 Gaming OC Single Fan runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 160 W, and the second is 125 W+ 4 %. Compare the table of benchmark results to find out which graphic card is better.