Comparison of PowerColor Radeon RX 6800 XT video card vs PNY GeForce GTX 1660 6GB XLR8 Gaming OC Dual Fan video card by specifications and benchmarks. PowerColor Radeon RX 6800 XT runs at 1.825 GHz base clock speed and has 16 GB of GDDR6 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 300 W, and the second is 130 W+ 8 %. Compare the table of benchmark results to find out which graphic card is better.