Latest-generation 13" and 15" ultrabook with 8-core CPU, up to 10-core GPU, and 16-core Neural Engine
Developers, video editors, 3D artists, AI/ML practitioners, and professionals who need maximum performance and future-proofing
Previous-generation 13" and 15" ultrabook with 8-core CPU, up to 8-core GPU, and 8-core Neural Engine
Students, content consumers, writers, and professionals on tight budgets who need reliable daily computing without specialized performance requirements
The MacBook Air M4 offers 30% better CPU performance, up to 25% faster GPU speeds, and improved battery efficiency compared to the M3, while the M3 remains a capable machine at a lower price point for users with lighter workloads.
Choose MacBook Air M4 if you're a content creator, developer, or power user who needs the latest performance improvements, better thermal efficiency, and enhanced AI capabilities for professional work. Choose M3 if you primarily use web browsers, office applications, and media consumption, or if you're budget-conscious and can find deals on previous-generation models—it remains perfectly adequate for everyday tasks.
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Choose MacBook Air M4 if
Developers, video editors, 3D artists, AI/ML practitioners, and professionals who need maximum performance and future-proofing
Choose MacBook Air M3 if
Students, content consumers, writers, and professionals on tight budgets who need reliable daily computing without specialized performance requirements
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| Metric | MacBook Air M4 | MacBook Air M3 | Diff |
|---|---|---|---|
| Starting Price(USD) | $1,099 | $1,099 | — |
| Weight(grams) | 2.7 | 2.7 | — |
| Battery Life(hours) | Up to 18 | Up to 18 | — |
All figures sourced from publicly available data. Last updated Jun 2026.
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In 2025-2026, Apple's MacBook Air lineup offers two distinct sizes with significantly different weights. The 13-inch M4 model weighs just 2.7 lbs (1.24 kg), while the 15-inch version tips the scales at 3.3 lbs—both among the lightest laptops on the market. Here's everything you need to know about current MacBook Air weights and how they stack up.
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MacBook Air M4
8-core CPU with up to 3.5GHz🏆
MacBook Air M3
8-core CPU with up to 3.2GHz
MacBook Air M4
Up to 10-core GPU🏆
MacBook Air M3
Up to 8-core GPU
MacBook Air M4
Up to 16 hours🏆
MacBook Air M3
Up to 15 hours
MacBook Air M4
16-core Neural Engine🏆
MacBook Air M3
8-core Neural Engine
MacBook Air M4
5nm (second generation)🏆
MacBook Air M3
5nm (first generation)
MacBook Air M4
$1,199 USD
MacBook Air M3
$749-$899 USD (used/discounted)🏆
MacBook Air M4
~28% faster than M3🏆
MacBook Air M3
Baseline comparison
If you use your M3 primarily for web browsing, email, and document editing, the upgrade is not critical. However, if you work with video editing, 3D rendering, machine learning, or plan to use advanced AI features in macOS, the M4's 30% CPU performance boost and doubled Neural Engine cores justify the investment. Content creators typically see 25-35% faster rendering times.
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| Attribute | MacBook Air M4 | MacBook Air M3 |
|---|---|---|
| Starting Price(USD) | $1,099 | — |
| Weight(grams) | 2.7 | — |
| Battery Life(hours) | Up to 18 | — |
Side-by-side comparison of numeric attributes