Comparison of Intel Iris Pro Graphics 580 video card vs AMD Radeon R7 - 512 (Merlin Falcon) video card by specs and benchmarks. Intel Iris Pro Graphics 580 runs at 0.350 GHz base clock speed and has 32 GB of memory, while video card AMD Radeon R7 - 512 (Merlin Falcon) runs at 0.350 GHz base clock speed and has 2 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.