Comparison of Intel HD Graphics 520 video card vs Intel UHD Graphics 615 video card by specs and benchmarks. Intel HD Graphics 520 runs at 0.350 GHz base clock speed and has 32 GB of memory, while video card Intel UHD Graphics 615 runs at 0.350 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.