UK’s trusted IT infrastructure partner since 2003
Servnet
FinanceToolsConfiguratorGet in Touch
← Comparison Tool

💻 MacBook Air 13 vs 15 (M5)

AI-powered analysis across 30 matched specifications

Apple MacBook Air 13-inch (M5) ultraportable laptop in Midnight, open front view
MacBook Air 13" (M5)
Apple
8.6
Overall Score
Travel-heavy staff and default fleet issue — the lightest way to get full M5 performance.
View Full Details
Apple MacBook Air 15-inch (M5) ultraportable laptop in Midnight, open front view
MacBook Air 15" (M5)
Apple
8.8
Overall Score
Desk-first hybrid workers who want more screen, better speakers and the same silent chassis.
View Full Details

Performance Overview

Scores based on quantifiable specification values (1-10 scale)

PerformancePortabilityDisplay & workspaceBatteryAudio & video calls
MacBook Air 13" (M5)
MacBook Air 15" (M5)
Performance
MacBook Air 13" (M5)
8.6
MacBook Air 15" (M5)
8.6
Portability
MacBook Air 13" (M5)
9.5
MacBook Air 15" (M5)
8.6
Display & workspace
MacBook Air 13" (M5)
8.2
MacBook Air 15" (M5)
8.9
Battery
MacBook Air 13" (M5)
8.6
MacBook Air 15" (M5)
8.9
Audio & video calls
MacBook Air 13" (M5)
7.9
MacBook Air 15" (M5)
9.0

Detailed Specifications

Specification
MacBook Air 13" (M5)
Apple
MacBook Air 15" (M5)
Apple
At a Glance
PositioningThe default-issue business Mac — Apple's lightest M5 laptopThe same machine stretched to a 15.3-inch panel for desk-heavy work
Chip optionsApple M5 — 10-core CPU, 8- or 10-core GPUApple M5 — 10-core CPU, 10-core GPU
Travel weightFrom 1.23 kgFrom 1.51 kg
SpeakersFour-speaker system with Spatial AudioSix speakers — six-speaker sound system with force-cancelling woofers
Display
Panel13.6" Liquid Retina, LED-backlit IPS15.3" Liquid Retina, IPS
Resolution2560 × 16642880 × 1864
Pixel density≈224 ppi≈224 ppi — identical sharpness, just more of it
Brightness500 nits500 nits
ColourP3 wide colour, True ToneP3 wide colour, True Tone
WorkspaceBaseline 13.6-inch working area≈26% more viewable screen area than the 13-inch
Size & travel weight
Weight (from)1.23 kg (2.7 lb)1.51 kg (3.3 lb)
Width304.1 mm340.4 mm
Depth215.0 mm237.6 mm
Thickness11.3 mm11.5 mm
In the bag≈280 g lighter and ≈36 mm narrower — the easy daily carryStill thin and fanless, but needs the larger sleeve
CoolingFanless — silent under sustained loadFanless — silent under sustained load
Battery & charging
Battery capacity53.8 Wh66.5 Wh
Video streaming (rated)Up to 18 hoursUp to 18 hours
Wireless browsing (rated)Up to 15 hoursUp to 15 hours
Fast chargeSupported with a 70 W or higher USB-C adapterSupported with a 70 W or higher USB-C adapter
Charging inputsMagSafe 3 or USB-C (Thunderbolt ports)MagSafe 3 or USB-C (Thunderbolt ports)
In the box (UK)No power adapter included — add one to the orderNo power adapter included — add one to the order
Everything that's identical
Chip (like-for-like config)Apple M5 — 10-core CPU, 10-core GPU, 16-core Neural EngineApple M5 — 10-core CPU, 10-core GPU, 16-core Neural Engine
Memory & storageUp to 32 GB unified memory (153 GB/s) · up to 4 TB SSDUp to 32 GB unified memory (153 GB/s) · up to 4 TB SSD
PortsMagSafe 3, 2× Thunderbolt 4 (USB-C), 3.5 mm headphone jackMagSafe 3, 2× Thunderbolt 4 (USB-C), 3.5 mm headphone jack
WirelessApple N1 chip — Wi-Fi 7, Bluetooth 6, ThreadApple N1 chip — Wi-Fi 7, Bluetooth 6, Thread
Camera12 MP Center Stage with Desk View, 1080p video12 MP Center Stage with Desk View, 1080p video
KeyboardBacklit Magic Keyboard with Touch IDBacklit Magic Keyboard with Touch ID
Operating systemmacOS Tahoe with Apple IntelligencemacOS Tahoe with Apple Intelligence
ColoursSky Blue, Silver, Starlight, MidnightSky Blue, Silver, Starlight, Midnight

Expert Analysis

Specs web-verified from manufacturer datasheets · Servnet-reviewed · Last reviewed 11 Jul 2026

This is one laptop in two sizes, and it pays to say so plainly: the silicon, memory ceiling, storage options, ports, camera, keyboard and wireless are all shared, and at matching configurations the two machines perform identically. Nobody should pick the 15-inch expecting extra speed, and nobody should worry that the 13-inch is the lesser computer. The whole decision comes down to how and where the machine will be used.

For most UK fleets the 13-inch is the sensible default. At 1.23 kg with a footprint that disappears into any bag, it is the model to issue to consultants, sales teams and anyone who works on trains and planes as often as at a desk. It gives up nothing that matters on compute, and its four-speaker system and sharp webcam handle calls on the move perfectly well.

Choose the 15-inch for people who are mostly at a desk but still want a single machine for everything. The roughly 26% larger panel makes side-by-side documents and big spreadsheets genuinely comfortable rather than merely possible, the six-speaker system is the strongest audio in the Air line, and the bigger battery keeps the endurance rating intact despite the larger display. If the extra 280 g or so in the bag doesn't bother the user, the 15-inch is the more liveable everyday screen.

MacBook Air 13" (M5)
Travel-heavy staff and default fleet issue — the lightest way to get full M5 performance.
MacBook Air 15" (M5)
Desk-first hybrid workers who want more screen, better speakers and the same silent chassis.

Frequently asked questions

Is the 15-inch MacBook Air any faster than the 13-inch?

No. Both run Apple's M5 with a 10-core CPU and 16-core Neural Engine, with the same unified memory ceiling and SSD options, so like-for-like configurations perform identically. The only silicon nuance sits at the entry point, where the 13-inch is also offered with an 8-core-GPU version of the M5. Specify the 10-core-GPU chip in both and there is nothing between them on speed.

How much difference does the size make day to day?

The 15-inch weighs from 1.51 kg against 1.23 kg for the 13-inch — roughly 280 g extra — and its footprint grows from 304 × 215 mm to 340 × 238 mm. Both are 11.3–11.5 mm thin and fanless, so neither is a burden, but the 13-inch is noticeably easier on trains, planes and cramped hot-desks, while the 15-inch asks for a slightly larger bag.

Does the 15-inch's bigger battery last longer?

Not on paper. Apple rates both at up to 18 hours of video streaming and 15 hours of wireless browsing. The 15-inch carries a 66.5 Wh battery against 53.8 Wh in the 13-inch, but the extra capacity is there to feed the larger panel rather than extend runtime. Both comfortably cover a full working day, with the 15-inch holding a little more margin under bright, sustained use.

Which Air is better for video calls and meetings?

Camera quality is identical — both carry the 12 MP Center Stage camera with Desk View and 1080p recording. The 15-inch pulls ahead on sound, pairing six-speaker sound system with force-cancelling woofers against the 13-inch's four speakers, which makes speakerphone calls and media review noticeably better without a headset. If the day is heavy on Teams or Zoom from a desk, the 15-inch is the stronger tool; on the road the 13-inch does fine.

Specs verified from

Ready to proceed?

Not sure which one fits your environment?

Our UK specialists will recommend the right option for your workload and send itemised pricing — vendor-neutral, no obligation.

Response within 4 business hours · 20+ yr UK reseller

MacBook Air 13" (M5)
View Full Details →
MacBook Air 15" (M5)
View Full Details →

Want to compare different products or add more to this comparison?

Open Interactive Comparison Tool →
💷 Spread the cost · IT finance

Made your choice? Spread the cost.

Whichever you choose, you don't have to pay for it all upfront — finance your new hardware from £79/mo ex VAT on hire purchase or lease. Compare monthly payments and terms in seconds.

See finance from £79/mo

Indicative estimate · subject to change · soft search, no credit-file impact · hire purchase, lease & subscription for UK businesses

From
£79/mo
over 36 months · ex VAT · indicative estimate, subject to change

Talk to a UK specialist

Get expert advice or a no-obligation quote — servers, storage, networking, maintenance, finance and cloud. We reply the same working day.

or call 0800 987 4111