OLED handhelds are just better. Cast your eyes back to the Nintendo Switch OLED and remember its improved visuals. The Steam Deck OLED fixed the few lingering problems of the original 2022 handheld PC. And the new Asus ROG Xbox Ally X20 similarly fixes many of the niggling details of the original Xbox Ally X . It’s also certain to cost an enormous sum of cash. I had my hands on the new ROG Xbox Ally X20 for a hot minute, and I could tell it’s already the best version of what this handheld could be. First, the screen is now a fuller 7.4 inches rather than the original Xbox Ally’s 7 inches. In reality, that means Asus cut down the bezels to make the screen feel fuller. That’s necessary if you want to get the most out of Asus’ Nebula OLED panel. Asus added more vents to handle the increased heat output of an OLED display. © Kyle Barr / Gizmodo Even in a dim and packed conference hall, the X20’s screen felt surprisingly bright and clear.…