MacBook Air M4 13 vs MacBook Air M3 15

Side-by-side comparison with real-scale visuals and detailed specifications

100% Objective Comparisons — Data sourced from official manufacturers

See our methodology

100%

MacBook Air M3 15 is NaN% taller

MacBook Air M4 13

215mm×304.1mm

MacBook Air M3 15

mm×345.4mm

Scaled to real proportions

Specifications Comparison

MacBook Air M4 13

Apple

2 wins

MacBook Air M3 15

Apple

2 wins

📱

Display

Diagonal screen measurement

Better

MacBook Air M4 13

13.6"

MacBook Air M3 15

15.3"

Difference: 1.7" (12.5% more)

⚖️

Weight

Total device weight

Better

MacBook Air M4 13

1.24kg

MacBook Air M3 15

1.51kg

Difference: 0.27kg (21.8% less)

🔋

Battery

Battery capacity in watt-hours

Better

MacBook Air M4 13

53.8Wh

MacBook Air M3 15

66.5Wh

Difference: 12.7Wh (23.6% more)

💾

RAM

Random Access Memory for multitasking

= Tie

MacBook Air M4 13

16GB

MacBook Air M3 15

16GB

Difference: 0GB

💿

Storage

Internal storage capacity

= Tie

MacBook Air M4 13

256GB

MacBook Air M3 15

256GB

Difference: 0GB

🧠

Processor

CPU/SoC model

MacBook Air M4 13

Apple M4

MacBook Air M3 15

Apple M3

💰

Price

Retail price in USD

Better

MacBook Air M4 13

1,099$

MacBook Air M3 15

1,299$

Difference: 200$ (18.2% less)

MacBook Air M4 13

MacBook Air M3 15

Winner in category

Last updated: March 22, 2026

Source: apple.com

Last updated: March 22, 2026

Source: apple.com

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Our team of tech enthusiasts and data analysts work to provide accurate, unbiased product comparisons.

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Updated: March 24, 2026

Our methodology

Explore this matchup

View MacBook Air M4 13 View MacBook Air M3 15 Display Weight Battery RAM Storage

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