Comparison of Intel HD Graphics (Westmere) video card vs Intel Iris Pro Graphics P555 video card by specs and benchmarks. Intel HD Graphics (Westmere) runs at 0.500 GHz base clock speed and has 2 GB of memory, while video card Intel Iris Pro Graphics P555 runs at 0.500 GHz base clock speed and has 0 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.