Apple - MacBook Air 15 M4 vs Microsoft - Surface Laptop 7 (15)

These two are nearly even on the Mars Score (63.3 vs 64.6). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.

Pick the MacBook Air 15 M4 if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. The biggest gaps in its favor are screen size, thunderbolt ports, weight. The single most decisive one: Screen size — 2.00% more. 15.3 " vs 15 ".

Pick the Surface Laptop 7 (15) if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. Its strongest claims are refresh rate, claimed battery life, cpu cores. The single most decisive one: Refresh rate — 100.00% more. 120 Hz vs 60 Hz.

Both ship with comparable ram, storage, battery, 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.