ROG Ally X vs Nintendo Switch (OLED model)

The ROG Ally X and Nintendo Switch (OLED model) are most easily told apart by their overall size. On height, the ROG Ally X measures 111.0 mm against the Nintendo Switch (OLED model)'s 101.0 mm — about 10.0 mm more. On width, the ROG Ally X measures 280.0 mm against the Nintendo Switch (OLED model)'s 242.0 mm — about 38.0 mm more. On thickness, the ROG Ally X measures 34.0 mm against the Nintendo Switch (OLED model)'s 13.9 mm — about 20.1 mm more.

The ROG Ally X is the heavier of the two at 678 g, compared with 420 g for the Nintendo Switch (OLED model). That is a 258 g difference (61%). In daily handling the difference is easy to feel.