All You Need to Know About AMD Radeon RX 550X Mobile AMD Radeon RX 550X Mobile graphics card( also called GPU) comes in 241 in performance rating. It’s a good result. The graphics card AMD Radeon RX 550X Mobile runs with a minimum clock speed of 1176 MHz. Learn more: https://www.bloggieisland.com/all-you-need-to-know-about-amd-radeon-rx-550x-mobile/