

You can’t hold a gaming laptop in your hands (and actually use it)
Of course a larger device will cost less/provide better performance. You’re paying a premium for the handheld formfactor. Just like how with a gaming laptop you’re paying a premium vs a 50+ pound desktop.
https://www.dji.com/fpv
All the drone footage I’ve seen has been analog, and I guess it’s possible on the FPV.