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Spec comparison

MacBook Air 13" M4 vs MacBook Air 15" M4

MacBook Air 13" M4 vs MacBook Air 15" M4 — every spec row side by side; launch prices shown per market, not converted.

4 of 10 specs differ Laptop highlighted rows = specs that differ

Spec table

Spec MacBook Air 13" M4 Apple (US) · verified 2026-10-13 MacBook Air 15" M4 Apple (US) · verified 2026-10-13
Display 13.6" Liquid Retina src 15.3" Liquid Retina src
Processor Apple M4 (10-core) src Apple M4 (10-core) src
RAM 16GB+ src 16GB+ src
Storage 256GB+ src 256GB+ src
Battery capacity — —
Rated battery life n/a Up to 18 hrs src Up to 18 hrs src
Ports 2× Thunderbolt 4 + MagSafe + 3.5mm src 2× Thunderbolt 4 + MagSafe + 3.5mm src
Weight 1.24 kg src leads 1.51 kg src
US launch price $999+ src leads $1,199+ src
China launch price ¥7,999+ src leads ¥9,999+ src

Battery rows are never converted across units or test protocols - mismatches are marked n/a. Prices are launch MSRP per market, not exchange-rate math. Specs verified against manufacturer pages on 2026-10-13; cells missing a source are marked to be verified.

What it means for you

MacBook Air 13" M4

  • Weight 1.24 kg vs 1.51 kg

MacBook Air 15" M4

  • No clear spec advantage

Not confirmed, do not weigh in

  • Rated battery life — different test protocols

Enter the actual prices you can get, and optionally match storage tiers. Launch MSRPs are used until you type.

What matters most to you? Pick up to two - the matching advantages get highlighted.

Raw diff

  • Display: MacBook Air 13" M4 — 13.6" Liquid Retina ｜ MacBook Air 15" M4 — 15.3" Liquid Retina
  • Weight: MacBook Air 13" M4 — 1.24 kg ｜ MacBook Air 15" M4 — 1.51 kg
  • US launch price: MacBook Air 13" M4 — $999+ ｜ MacBook Air 15" M4 — $1,199+
  • China launch price: MacBook Air 13" M4 — ¥7,999+ ｜ MacBook Air 15" M4 — ¥9,999+