Comparison of AMD Radeon HD 6379D video card vs Intel Iris Graphics 540 video card by specs and benchmarks. AMD Radeon HD 6379D runs at 0.440 GHz base clock speed and has 1 GB of memory, while video card Intel Iris Graphics 540 runs at 0.440 GHz base clock speed and has 32 GB of memory. The weight is different, -- vs --. The TDP of the first video card is --, and the second is -- . Compare the benchmark results to find out which video card is better.