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Apple MacBook Air 13″ (M2) vs Apple MacBook Air 15″ (M4)

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

AppleMacBook Air 13″ (M2)AppleMacBook Air 15″ (M4)
Overview
ReleasedJuly 2022March 2025
Display
Screen size13.6″15.3″
Resolution2560 × 16642880 × 1864
PanelIPS LCDIPS LCD
Refresh rate60 Hz60 Hz
Brightness500 nits500 nits
TouchscreenNoNo
Display typeLiquid Retina display; LED-backlit with IPS technologyLiquid Retina display; LED-backlit with IPS technology
Pixel density224 ppi224 ppi
Colour rangeWide colour (P3); 1 billion coloursWide colour (P3); 1 billion colours
Screen finishGlossy (Notebookcheck)–
Display featuresTrue Tone; 60 Hz refresh rate (Notebookcheck)True Tone
Performance
ProcessorApple M2Apple M4
CPU cores810
Graphics8-core GPU or 10-core GPU10-core GPU
AI engine (NPU)–38 TOPS
Memory8 GB, 16 GB or 24 GB16 GB, 24 GB or 32 GB
Storage256 GB to 2 TB256 GB to 2 TB
CPU8-core CPU with 4 performance cores and 4 efficiency cores10-core CPU with 4 performance cores and 6 efficiency cores
GPU8-core or 10-core GPU; media engine with hardware-accelerated H.264, HEVC, ProRes and ProRes RAW, video encode/decode and ProRes encode/decode engines10-core GPU; hardware-accelerated ray tracing; Media Engine with H.264, HEVC, ProRes and ProRes RAW acceleration and AV1 decode
AI engine16-core Neural Engine16-core Neural Engine
Memory typeUnified memory, configurable to 24 GB; launched with 8 GB, later offered with 16 GB as standardUnified memory
Memory bandwidth100 GB/s120 GB/s
Storage typeSSD, configurable to 512 GB, 1 TB or 2 TBSSD, configurable up to 2 TB
CoolingFanlessFanless
Battery and size
Battery life (maker's claim)Up to 18 hoursUp to 18 hours
Battery capacity52.6 Wh66.5 Wh
Weight1.24 kg1.51 kg
Thickness11.3 mm11.5 mm
Width × depth304.1 × 215 mm340.4 × 237.6 mm
Battery life detailUp to 15 hours wireless web; lithium-polymer batteryUp to 15 hours wireless web; lithium-polymer battery
Charger30 W USB-C Power Adapter with the 8-core GPU; 35 W Dual USB-C Port Power Adapter with the 10-core GPU and 512 GB storage35 W Dual USB-C Port Power Adapter
Fast chargingCurrent technical specifications list the 70 W USB-C Power Adapter; Apple's launch page tested fast charging with the 67 W adapterWith the 70 W USB-C Power Adapter
Materials100% recycled aluminium enclosure100% recycled aluminium enclosure; more than 55% recycled content overall
ColoursSilver, Starlight, Space Grey, MidnightSky Blue, Silver, Starlight, Midnight
Connections
Ports2 × Thunderbolt 3, MagSafe 3, headphone jack2 × Thunderbolt 4, MagSafe 3, headphone jack
Wi-FiWi-Fi 6Wi-Fi 6E
Bluetooth5.35.3
Webcam1080p FaceTime HD12MP Center Stage
Operating systemmacOSmacOS
Port detailTwo Thunderbolt / USB 4 ports supporting charging, DisplayPort, Thunderbolt 3 and USB 4 up to 40 Gb/s, and USB 3.1 Gen 2 up to 10 Gb/s; MagSafe 3; 3.5 mm headphone jack with high-impedance headphone support2 × Thunderbolt 4 (USB-C) with charging, DisplayPort, Thunderbolt 4 and USB 4 (up to 40 Gb/s); MagSafe 3; 3.5 mm headphone jack with high-impedance headphone support
External displaysOne external display up to 6K 60 Hz alongside the built-in displayUp to two at up to 6K 60 Hz, alongside the built-in display
KeyboardBacklit Magic Keyboard; 78 (US) or 79 (ISO) keys with 12 full-height function keys; ambient light sensorBacklit Magic Keyboard, 78 (US) or 79 (ISO) keys including 12 full-height function keys
TrackpadForce Touch trackpadForce Touch trackpad
SpeakersFour-speaker sound system; Spatial Audio with Dolby AtmosSix-speaker sound system with force-cancelling woofers; Spatial Audio with Dolby Atmos
MicrophonesThree-mic array with directional beamformingThree-mic array with directional beamforming; Voice Isolation and Wide Spectrum modes
BiometricsTouch IDTouch ID
In the box13-inch MacBook Air, 30 W or 35 W Dual USB-C Port Power Adapter, USB-C to MagSafe 3 Cable (2 m)15-inch MacBook Air, 35 W Dual USB-C Port Power Adapter, USB-C to MagSafe 3 Cable (2 m)

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