Comparison of AMD Radeon HD 8450G video card vs Intel Iris Pro Graphics P580 video card by specifications and benchmarks. AMD Radeon HD 8450G runs at 0.530 GHz base clock speed and has 2 GB of memory, while video card Intel Iris Pro Graphics P580 runs at 0.350 GHz base clock speed and has 64 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.