Comparison of Sapphire Pulse Radeon RX 570 8G G5 video card vs PNY GeForce GTX 1660 TI 6GB Blower video card by specifications and benchmarks. Sapphire Pulse Radeon RX 570 8G G5 runs at 1.168 GHz base clock speed and has 8 GB of GDDR5 memory, while video card PNY GeForce GTX 1660 TI 6GB Blower runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 150 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.