Comparison of Intel HD Graphics (Bay Trail GT1) video card vs Intel HD Graphics 620 video card by specs and benchmarks. Intel HD Graphics (Bay Trail GT1) runs at 0.690 GHz base clock speed and has 2 GB of memory, while video card Intel HD Graphics 620 runs at 0.690 GHz base clock speed and has 32 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.