Comparison of Intel HD Graphics 620 video card vs AMD Radeon RX 680M video card by specifications and benchmarks. Intel HD Graphics 620 runs at 0.300 GHz base clock speed and has 32 GB of memory, while video card AMD Radeon RX 680M runs at 2.000 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.