No i have the 1920x1080 12.5", why is that not comparable? Bigger laptop 16" more space for battery's, and yes in the Sun i struggle at 40% brightness. But 40%

No i have the 1920x1080 12.5", why is that not comparable? Bigger laptop 16" more space for battery's, and yes in the Sun i struggle at 40% brightness. But 40% brightness is what i use 99% at time.