Comparison of Intel HD Graphics P4000 video card vs Intel HD Graphics 400 video card by specs and benchmarks. Intel HD Graphics P4000 runs at 0.650 GHz base clock speed and has 0 GB of memory, while video card Intel HD Graphics 400 runs at 0.650 GHz base clock speed and has 8 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.