Comparison of Intel Iris Pro Graphics P555 video card vs Intel HD Graphics 4400 video card by specifications and benchmarks. Intel Iris Pro Graphics P555 runs at 0.350 GHz base clock speed and has 0 GB of memory, while video card Intel HD Graphics 4400 runs at 0.350 GHz base clock speed and has 2 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.