Apple - MacBook Air 13 M4 vs Lenovo - ThinkPad X9 14 Gen 1

The ThinkPad X9 14 Gen 1 edges ahead on the Mars Score (60.1 vs 65), but the 4.9-point gap is small enough that the right pick comes down to which spec advantages matter to you.

Pick the MacBook Air 13 M4 if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. The biggest gaps in its favor are claimed battery life, cpu cores, weight. The single most decisive one: Claimed battery life — 28.57% more. 18 h vs 14 h.

Pick the ThinkPad X9 14 Gen 1 if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. Its strongest claims are storage, ram, refresh rate, among others. The single most decisive one: Storage — 300.00% more. 1024 GB vs 256 GB.

Both ship with comparable thunderbolt ports, backlit keyboard, so those specs do not separate the two — focus on the differences below.

Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.