Comparison of XFX Radeon RX Vega 64 Silver Fan video card vs PNY GeForce GTX 1660 6GB XLR8 Gaming OC Dual Fan video card by specifications and benchmarks. XFX Radeon RX Vega 64 Silver Fan runs at 1.247 GHz base clock speed and has 8 GB of HBM2 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 295 W, and the second is 130 W+ 8 %. Compare the table of benchmark results to find out which graphic card is better.