MacBook Air M3 vs MacBook Pro 14 M4
The MacBook Air M3 and the MacBook Pro 14 M4 share their roots, so the useful question isn’t which is “good” but where each one differs. Of the 5 areas we compared, the MacBook Pro 14 M4 wins 5. If one area explains the result, it’s memory & storage. One more thing to weigh: a launch price difference of $500, with the MacBook Air M3 as the lower-priced option.
At a glance
- Display MacBook Pro 14 M4 wins
- Performance MacBook Pro 14 M4 wins
- Memory & Storage MacBook Pro 14 M4 wins
- Battery Life & Charging MacBook Pro 14 M4 wins
- Ports & Connectivity MacBook Pro 14 M4 wins
- Price MacBook Air M3 wins
- Display1.4
- Performance2.7
- Memory & Storage0.8
- Battery Life & Charging2.0
- Display9.6
- Performance4.5
- Memory & Storage6.2
- Battery Life & Charging7.8
Spec scores (0 to 10) are calculated from manufacturer specs against other models in the same class. See how the formula works. They are not reviews or user ratings.
Key Differences
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The MacBook Pro 14 M4 has 8 GB more base memory
The spread here is large: 16 GB on the MacBook Pro 14 M4 versus 8 GB on the MacBook Air M3. Expect to notice it. More base memory lets you keep more browser tabs and big apps open without slowdowns.
-
The MacBook Pro 14 M4 has 6 h more rated battery life
Of all the specs we compared, this is one where the MacBook Pro 14 M4 makes its strongest case: 24 h against 18 h. Real-world results depend heavily on brightness and workload, but the ranking between two laptops tends to hold up.
-
The MacBook Air M3 has a 0.68 lb lighter build
The MacBook Air M3 clearly leads on weight, and 2.73 lb versus 3.42 lb is a difference that reaches well beyond the spec sheet. Remember the charger too: a lighter laptop with a heavy power brick can erase part of the gap.
-
The MacBook Pro 14 M4 has a 120 Hz display instead of 60 Hz
On refresh rate, the MacBook Pro 14 M4 posts 120 Hz against 60 Hz for the MacBook Air M3, a gap big enough to feel in everyday use. You only get the full benefit if the laptop can produce enough frames, so it matters most with a capable GPU.
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The MacBook Pro 14 M4 has 100% higher brightness
This is one of the widest gaps in the whole comparison: 1,000 nits for the MacBook Pro 14 M4 versus 500 nits for the MacBook Air M3. If you often work in bright places, the MacBook Pro 14 M4’s display is the easier one to read.
Design & Size
- MacBook Air M3 11.97 in × 8.46 in × 0.44 in
- MacBook Pro 14 M4 12.31 in × 8.71 in × 0.61 in
In overall size, the MacBook Pro 14 M4 is ahead, which is good news only if a bigger laptop is what you want. The MacBook Air M3 weighs 0.68 lb less than the MacBook Pro 14 M4. The MacBook Air M3 keeps a lower profile: 0.17 in thinner than the MacBook Pro 14 M4.
Design & Build
| Spec | MacBook Air M3 | MacBook Pro 14 M4 |
|---|---|---|
| Width | 11.97 in | 12.31 in |
| Depth | 8.46 in | 8.71 in |
| Thickness | 0.44 in (winner) | 0.61 in |
| Weight | 2.73 lb (winner) | 3.42 lb |
Display
MacBook Pro 14 M4 leads
The display numbers point firmly in one direction: toward the MacBook Pro 14 M4. The MacBook Pro 14 M4 answers with a 120 Hz display instead of 60 Hz. For gaming, the MacBook Pro 14 M4’s faster panel is a clear advantage; for office work, it’s a pleasant extra. Net result: the MacBook Pro 14 M4 leads this part of the comparison.
Refresh rate
MacBook Air M3: 60 Hz MacBook Pro 14 M4: 120 Hz A higher refresh rate makes scrolling, cursor movement and games look smoother.
Peak brightness (SDR)
MacBook Air M3: 500 nits MacBook Pro 14 M4: 1,000 nits Indoors, both may be bright enough; the difference shows up in daylight.
Performance
MacBook Pro 14 M4 leads
In this area the MacBook Pro 14 M4 has a lead the MacBook Air M3 can’t close. In its favor, the MacBook Pro 14 M4 has 2 more CPU cores. More CPU cores help with heavy multitasking and work that splits well across cores, like code compiling, video export and rendering. If performance is your priority, the MacBook Pro 14 M4 is the laptop to pick.
CPU cores
MacBook Air M3: 8 MacBook Pro 14 M4: 10 For email and browsing, you won’t notice the gap; for demanding workloads, the MacBook Pro 14 M4 has more muscle.
GPU cores
MacBook Air M3: 8 MacBook Pro 14 M4: 10 More GPU cores mean more graphics power for games, video editing and 3D work.
Memory & Storage
MacBook Pro 14 M4 leads
If memory & storage is high on your list, the MacBook Pro 14 M4 makes the stronger case by a wide margin. The MacBook Pro 14 M4 stands out with 8 GB more base memory. Memory is often hard or impossible to upgrade later, so the MacBook Pro 14 M4’s higher starting amount matters for the long run. That makes the MacBook Pro 14 M4 the natural choice for buyers focused on memory & storage.
Base memory
MacBook Air M3: 8 GB MacBook Pro 14 M4: 16 GB Pro workloads like photo and video editing or virtual machines benefit most from the extra memory.
Base storage
MacBook Air M3: 256 GB MacBook Pro 14 M4: 512 GB The MacBook Pro 14 M4 starts with more room, which delays the day you need an external drive.
Battery Life & Charging
MacBook Pro 14 M4 leads
Look at the battery life & charging table and one name keeps coming out on top: the MacBook Pro 14 M4. On the MacBook Pro 14 M4, you get 6 h more rated battery life. Rated battery life reflects the whole system (chip, screen and battery) under the manufacturer’s own conditions. Bottom line for battery life & charging: the MacBook Pro 14 M4 has the edge.
Rated battery life
MacBook Air M3: 18 h MacBook Pro 14 M4: 24 h More rated hours suggest the MacBook Pro 14 M4 is the safer bet for a full workday without a charger.
Battery
MacBook Air M3: 52.6 Wh MacBook Pro 14 M4: 72.4 Wh A bigger battery usually means more hours away from an outlet, although chip efficiency plays a huge role.
Ports & Connectivity
MacBook Pro 14 M4 leads
Few areas are as clear-cut as this one: the MacBook Pro 14 M4 leads the ports & connectivity section with room to spare. The MacBook Pro 14 M4 comes with 1 more USB-C ports. A hub can make up for missing ports, but it’s one more thing to carry and lose. The takeaway: on ports & connectivity, the MacBook Pro 14 M4 is the stronger laptop.
USB-C / Thunderbolt ports
MacBook Air M3: 2 MacBook Pro 14 M4: 3 If you connect monitors, drives and a charger at once, the MacBook Pro 14 M4’s extra ports make life easier.
Full Specifications
Display
| Spec | MacBook Air M3 | MacBook Pro 14 M4 |
|---|---|---|
| Screen size | 13.6 in | 14.2 in |
| Panel type | Liquid Retina IPS LCD | Liquid Retina XDR (mini-LED) |
| Resolution | 2560 x 1664 | 3024 x 1964 |
| Pixel density | 224 ppi | 254 ppi (winner) |
| Refresh rate | 60 Hz | 120 Hz (winner) |
| Peak brightness (SDR) | 500 nits | 1,000 nits (winner) |
Performance
| Spec | MacBook Air M3 | MacBook Pro 14 M4 |
|---|---|---|
| Processor | Apple M3 | Apple M4 |
| CPU cores | 8 | 10 (winner) |
| Graphics | Apple M3 GPU (8-core) | Apple M4 GPU (10-core) |
| GPU cores | 8 | 10 (winner) |
| Cooling | Fanless (passive) | Active (fan) |
Memory & Storage
| Spec | MacBook Air M3 | MacBook Pro 14 M4 |
|---|---|---|
| Base memory | 8 GB | 16 GB (winner) |
| Max memory | 24 GB | 32 GB (winner) |
| Base storage | 256 GB | 512 GB (winner) |
| Max storage | 2 TB | 2 TB |
Battery Life & Charging
| Spec | MacBook Air M3 | MacBook Pro 14 M4 |
|---|---|---|
| Battery | 52.6 Wh | 72.4 Wh (winner) |
| Rated battery lifeManufacturer rating | 18 h | 24 h (winner) |
| Included charger | 30 W | 70 W |
Ports & Connectivity
| Spec | MacBook Air M3 | MacBook Pro 14 M4 |
|---|---|---|
| USB-C / Thunderbolt ports | 2 | 3 (winner) |
| Other ports | MagSafe 3, 3.5 mm headphone jack | Thunderbolt 4; HDMI, SDXC card slot, MagSafe 3, 3.5 mm headphone jack |
| Webcam | 1080p FaceTime HD | 12MP Center Stage |
| Wi-Fi | Wi-Fi 6E (802.11ax) | Wi-Fi 6E (802.11ax) |
| Operating system | macOS Sonoma | macOS Sequoia |
Design & Build
| Spec | MacBook Air M3 | MacBook Pro 14 M4 |
|---|---|---|
| Width | 11.97 in | 12.31 in |
| Depth | 8.46 in | 8.71 in |
| Thickness | 0.44 in (winner) | 0.61 in |
| Weight | 2.73 lb (winner) | 3.42 lb |
Price
| Spec | MacBook Air M3 | MacBook Pro 14 M4 |
|---|---|---|
| Launch price | $1,099 (winner) | $1,599 |
“N/A” means the manufacturer does not specify the value or we could not confirm it. Figures marked “manufacturer rating” are the maker’s own claims, not our measurements.
Price & Value
Compare the launch prices and they sit 45% apart, or $500 in real money. The MacBook Pro 14 M4 costs $500 more, and for that you get 8 GB more base memory and 6 h more rated battery life.
Prices shown are US launch prices as of October 2024. Retail prices change often, so it’s worth checking current offers.
Which One Should You Buy?
Choose the MacBook Air M3 if…
- you want the lighter laptop (2.73 lb vs 3.42 lb)
- you carry your laptop in a slim bag every day (0.44 in vs 0.61 in)
- you’re working to a firm budget and $500 matters
Choose the MacBook Pro 14 M4 if…
- you want more memory out of the box (16 GB vs 8 GB)
- you want the longer rated battery life (24 h vs 18 h)
- you want smoother motion on screen (120 Hz vs 60 Hz)
- you want the brighter display (1,000 nits vs 500 nits)
Also Compared
Frequently Asked Questions
Should I buy the MacBook Air M3 or the MacBook Pro 14 M4?
For most people, the MacBook Pro 14 M4 is the stronger choice, unless you’d trade the rest for a 0.68 lb lighter build.
Does the MacBook Air M3 last longer on a charge than the MacBook Pro 14 M4?
Going by the official figures, the MacBook Pro 14 M4 leads: 24 h versus 18 h for rated battery life. Screen use, settings and efficiency will shape your own results.
Is the MacBook Air M3 bigger than the MacBook Pro 14 M4?
It’s the MacBook Pro 14 M4 that is larger: 12.31 × 8.71 × 0.61 in, versus 11.97 × 8.46 × 0.44 in for the MacBook Air M3.
Which is faster, the MacBook Air M3 or the MacBook Pro 14 M4?
The MacBook Pro 14 M4 has the edge in performance thanks to 2 more CPU cores and 2 more GPU cores.
Which has the better screen, the MacBook Air M3 or the MacBook Pro 14 M4?
Going by the numbers, the MacBook Pro 14 M4’s screen comes out ahead: a 120 Hz display instead of 60 Hz and 100% higher brightness.
Which costs less, the MacBook Air M3 or the MacBook Pro 14 M4?
The MacBook Air M3 is the cheaper option, launching at $500 less than the MacBook Pro 14 M4 (launch prices as of October 2024).
Executive Summary
My short version of the MacBook Air M3 versus the MacBook Pro 14 M4: they share a family, not a spec sheet. The biggest reason I lean toward the MacBook Pro 14 M4 is simple: it has 8 GB more base memory. Stack 6 h more rated battery life on top of that, and the MacBook Pro 14 M4’s lead grows. To be fair, the MacBook Air M3 has a 0.68 lb lighter build, and that’s not nothing.
I’d match them like this: portability to the MacBook Air M3, display to the MacBook Pro 14 M4.
My pick: the MacBook Pro 14 M4. I’d only go for the MacBook Air M3 if your top priority is a 0.68 lb lighter build.
Personal opinion based on the data above. Your priorities may differ.