Comparison of Intel Arc Pro A40 video card vs ASRock Phantom Gaming Radeon RX 550 4G video card by specs and benchmarks. Intel Arc Pro A40 runs at 2.000 GHz base clock speed and has 6 GB of GDDR6 memory, while video card ASRock Phantom Gaming Radeon RX 550 4G runs at 2.000 GHz base clock speed and has 4 GB of GDDR5 memory. The weight is different, -- vs --. The TDP of the first video card is 50 W, and the second is 50 W . Compare the benchmark results to find out which video card is better.