The Asus ROG Xbox Ally X and the Nintendo Switch 2 both offer a handheld gaming experience, but they vary in other aspects. The Asus model has a display resolution of 1080p (Full HD) and an output resolution of 1080p, while the Switch 2, despite having the same display resolution, supports a 4K output resolution, making it potentially better for upscaling to a larger display.
In terms of internal storage, the Asus ROG Xbox Ally X has 1024GB, which is significantly larger than the 256GB storage found in the Nintendo Switch 2. The storage in the Switch 2 is not replaceable, whereas the Asus device allows for storage upgrades. Both models are region-free and have an internal power supply. The Asus ROG Xbox Ally X uses an LCD, LED-backlit, IPS display, while the Switch 2 features a simpler LCD display.
Physical dimensions also differ between the two. The Asus ROG Xbox Ally X is larger and thicker at 27 mm in thickness, 290 mm in width, and 121 mm in height, with a volume of 947.43 cm³. In comparison, the Nintendo Switch 2 is more compact, with a thickness of 14 mm, a width of 272 mm, and a height of 115 mm, resulting in a smaller volume of 437.92 cm³. The Switch 2 is also lighter at 535 g, compared to the 715 g weight of the Asus ROG Xbox Ally X. The Asus model has a higher typical brightness of 500 nits, while the Switch 2 offers 430 nits. Additionally, the Asus ROG Xbox Ally X features an 80 Wh battery, much larger than the 19.74 Wh battery in the Nintendo Switch 2.