Comparison of Sapphire Pulse Radeon RX 590 8G G5 video card vs Intel Arc A770 Graphics 8GB video card by specs and benchmarks. Sapphire Pulse Radeon RX 590 8G G5 runs at 1.469 GHz base clock speed and has 8 GB of GDDR5 memory, while video card Intel Arc A770 Graphics 8GB runs at 1.469 GHz base clock speed and has 8 GB of GDDR6 memory. The weight is different, -- vs --. The TDP of the first video card is 225 W, and the second is 225 W . Compare the benchmark results to find out which video card is better.