are higher priority at Nintendo then bells+whistles & performance.
Given the Nvidia APU would be ARM+Nvidia GPU vs any AMD x86+AMD GPU APU, Nintendo can/could maintain backwards compatibility.
While personally I'd like to see 'handheld gaming systems' more closely replicate the hand-to-hand distance of a 'standard' controller, having decent runtime on battery & weight down is important to.
Leaked Switch 2 specs suggest that the upcoming gaming handheld will feature the Nvidia Tegra T239 SoC. AMD reportedly wanted to power the console, but Nintendo didn't move forward with the company due to battery life concerns.