Comparison of Intel HD Graphics P4600 video card vs AMD Radeon RX 660M video card by specifications and benchmarks. Intel HD Graphics P4600 runs at 0.350 GHz base clock speed and has 2 GB of memory, while video card AMD Radeon RX 660M runs at 1.900 GHz base clock speed and has 8 GB of memory. The TDP of the first video card is --, and the second is --. Compare the table of benchmark results to find out which graphic card is better.