Comparison of AMD Radeon HD 8670D video card vs Intel GMA 3600 video card by specifications and benchmarks. AMD Radeon HD 8670D runs at 0.840 GHz base clock speed and has 2 GB of memory, while video card Intel GMA 3600 runs at 0.400 GHz base clock speed and has 1 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.