Comparison of AMD Radeon R5 - 256 (Kaveri) video card vs Intel Iris Pro Graphics 580 video card by specifications and benchmarks. AMD Radeon R5 - 256 (Kaveri) runs at 0.550 GHz base clock speed and has 2 GB of memory, while video card Intel Iris Pro Graphics 580 runs at 0.350 GHz base clock speed and has 32 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.