Comparison of AMD Radeon R4 (Kaveri) video card vs Intel Iris Pro Graphics P555 video card by specifications and benchmarks. AMD Radeon R4 (Kaveri) runs at 0.490 GHz base clock speed and has 2 GB of memory, while video card Intel Iris Pro Graphics P555 runs at 0.350 GHz base clock speed and has 0 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.