Comparison of Intel HD Graphics 515 video card vs Intel HD Graphics 400 video card by specifications and benchmarks. Intel HD Graphics 515 runs at 0.300 GHz base clock speed and has 16 GB of memory, while video card Intel HD Graphics 400 runs at 0.320 GHz base clock speed and has 8 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.