Comparison of Intel Iris Graphics 5100 video card vs AMD Radeon Vega 8 Graphics video card by specifications and benchmarks. Intel Iris Graphics 5100 runs at 0.200 GHz base clock speed and has 2 GB of memory, while video card AMD Radeon Vega 8 Graphics runs at 1.800 GHz base clock speed and has 2 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.