The MacBook Air M4 (2026) delivers Apple's most significant Air upgrade in two years, bringing up to 32GB RAM, a new Sky Blue color, and a 38% faster CPU than the M3. But does the jump justify the price difference? We compare both models side by side.
MacBook Air M4 vs M3: Quick Comparison
| Spec | MacBook Air M4 (2026) | MacBook Air M3 (2024) |
|---|---|---|
| Chip | Apple M4 | Apple M3 |
| CPU Cores | 10-core | 8-core |
| GPU Cores | 10-core | 10-core |
| Base RAM | 16GB (was 8GB) | 8GB |
| Max RAM | 32GB | 24GB |
| Neural Engine | 16-core | 16-core |
| Display | 13.6" Liquid Retina | 13.6" Liquid Retina |
| Battery | Up to 18h | Up to 18h |
| Thunderbolt | Thunderbolt 4 (×3) | Thunderbolt 3 (×2) |
| Starting Price | $1,099 | $999 (discounted) |
| Colors | Midnight, Starlight, Sky Blue, Silver | Midnight, Starlight, Silver, Space Gray |
5 Key Reasons to Choose M4
- 32GB RAM standard option — M3 maxed at 24GB; M4 supports 32GB for power users
- 38% faster CPU performance — M4's 10-core CPU vs M3's 8-core delivers measurable gains in video, code, and AI workloads
- Thunderbolt 4 ×3 — connect more external displays and high-speed drives simultaneously
- Sky Blue color — exclusive to M4 generation
- 16GB base RAM — M3 shipped with only 8GB base, a frequent complaint; M4 doubles this
When the M3 Is Still Worth It
The MacBook Air M3 remains a powerful laptop for everyday tasks — web browsing, office apps, light photo editing, and video calls. If you can find it at $100-200 below the M4's price, it delivers excellent value for students and casual users who won't hit RAM limits. The M3 is also sufficient for most developers unless working with large AI models or containerized environments.
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Last updated: May 15, 2026 · Sources: Apple (apple.com), Anandtech M4 benchmarks, MacRumors M4 vs M3 comparison
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