Comparison of Intel HD Graphics 4200 video card vs AMD Radeon HD 7640G video card by specifications and benchmarks. Intel HD Graphics 4200 runs at 0.200 GHz base clock speed and has 2 GB of memory, while video card AMD Radeon HD 7640G runs at 0.500 GHz base clock speed and has 2 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.