Comparison guide
MacBook Air 15 (M3) vs MacBook Pro 14 (M4): which should you choose?
MacBook Air 15 (M3) and MacBook Pro 14 (M4) compared under one framework. One recorded specification difference is Weight: 1.51 kg on the MacBook Air 15 (M3) against 1.55 kg on the MacBook Pro 14 (M4). Specifications and their sources are recorded alongside.
Published: 2026-06-28 · Updated: 2026-09-21
Laptops verdict
Undocumented scoring basis · overall score and upgrade ranking withheld. The table records stored representative configurations; confirm the configuration and price on the merchant page before buying.
- MacBook Air 15 (M3): The 15-inch Air for those who want a big screen without the weight — and better speakers too.
- MacBook Pro 14 (M4): The 14-inch Pro with the base M4 — a mini-LED screen and three Thunderbolt ports.
- Undocumented quality and performance advantages are not ranked
- Specification field coverage (not accuracy): 100%
Choosing between MacBook Air 15 (M3) and MacBook Pro 14 (M4) starts with the real use case and the problem to solve, not with which product is newer. No independent laboratory test is implied.
Core specifications on one baseline
| Item | MacBook Air 15 (M3) | MacBook Pro 14 (M4) | Delta |
|---|---|---|---|
| Memory | 16 GB AskRS catalog index · check date not recorded | 16 GB AskRS catalog index · check date not recorded | Same |
| Weight | 1.51 kg AskRS catalog index · check date not recorded | 1.55 kg AskRS catalog index · check date not recorded | +2.6% |
| Battery capacity | 66.5 Wh AskRS catalog index · check date not recorded | 72.4 Wh AskRS catalog index · check date not recorded | +8.9% |
| Display brightness | 500 nits AskRS catalog index · check date not recorded | 1600 nits AskRS catalog index · check date not recorded | +220% |
| Refresh rate | 60 Hz AskRS catalog index · check date not recorded | 120 Hz AskRS catalog index · check date not recorded | +100% |
| Thunderbolt/USB-C ports | 2 AskRS catalog index · check date not recorded | 3 AskRS catalog index · check date not recorded | +50% |
| Chipset | Apple M3 | Apple M4 | Different |
| Color | Space Gray | Space Black | Different |
| Connectivity | 2x Thunderbolt 3, MagSafe 3, 3.5mm, Wi-Fi 6E, Bluetooth 5.3 | 3x Thunderbolt 4, HDMI 2.1, SDXC, MagSafe 3, 3.5mm, Wi-Fi 6E, Bluetooth 5.3 | Different |
| CPU model | Apple M3 8-core CPU | Apple M4 10-core CPU | Different |
| GPU model | Apple M3 10-core GPU | Apple M4 10-core GPU | Different |
| Operating system | macOS Sonoma | macOS Sequoia | Different |
| Panel | 15.3" Liquid Retina IPS 2880x1864 | 14.2" Liquid Retina XDR mini-LED 3024x1964 ProMotion | Different |
| Region | GLOBAL | GLOBAL | Same |
| Screen size | 15.3 in | 14.2 in | -7.2% |
| Storage | 512 GB | 512 GB | Same |
12 of the 32 values in this table carry a source. The rest have no source on record, which is not the same as being wrong.
How to read Same, Different, No data, Unverified and Not applicable is documented on the configuration-level specification screen. If a condition you require is unknown, withhold the decision and match the exact model, sales region and configuration against the sources on that screen.
Differences recorded in the table
5 fields can be ranked on the same basis, listed by weight.
- Weight · MacBook Air 15 (M3) 1.51 kg, MacBook Pro 14 (M4) 1.55 kg (+2.6%)
- Battery capacity · MacBook Pro 14 (M4) 72.4 Wh, MacBook Air 15 (M3) 66.5 Wh (+8.9%)
- Display brightness · MacBook Pro 14 (M4) 1600 nits, MacBook Air 15 (M3) 500 nits (+220%)
- Refresh rate · MacBook Pro 14 (M4) 120 Hz, MacBook Air 15 (M3) 60 Hz (+100%)
- Thunderbolt/USB-C ports · MacBook Pro 14 (M4) 3, MacBook Air 15 (M3) 2 (+50%)
The decision axes and the checking order for the whole category are on the Laptops comparison page.
The two products this comparison names
Match the listing against these models first. The recorded-field count is catalogue completeness, not product quality.
- MacBook Air 15 (M3) · Apple · model number A3114 · released 2024 · recorded fields 16/16
- MacBook Pro 14 (M4) · Apple · model number A3112 · released 2024 · recorded fields 16/16
Fields the two products share
3 recorded fields hold the same value for both stored representative configurations, so nothing in this list separates them.
- Memory · 16 GB
- Region · GLOBAL
- Storage · 512 GB
Who should choose MacBook Air 15 (M3)
MacBook Air 15 (M3) leads the table on Weight. The 15-inch Air for those who want a big screen without the weight — and better speakers too.
Who should choose MacBook Pro 14 (M4)
MacBook Pro 14 (M4) leads the table on Battery capacity, Display brightness, Refresh rate, Thunderbolt/USB-C ports. The 14-inch Pro with the base M4 — a mini-LED screen and three Thunderbolt ports.
How to read price and purchase availability
No merchant link is shown: neither product has an approved listing whose name and configuration match the catalogue, and AsKrs does not guess a destination.
- MacBook Air 15 (M3) · No verified purchase link currently available
- MacBook Pro 14 (M4) · No verified purchase link currently available
This comparison is built from published specifications and stored representative configurations. The use context, configuration checks, switching costs, and the scope and limits for Laptops are documented on the Laptops comparison page.