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Apple MacBook Air 13″ (M4) 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″ (M4)AppleMacBook Air 15″ (M4)
Overview
ReleasedMarch 2025March 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
Display featuresTrue ToneTrue Tone
Performance
ProcessorApple M4Apple M4
CPU cores1010
Graphics8-core GPU or 10-core GPU10-core GPU
AI engine (NPU)38 TOPS38 TOPS
Memory16 GB, 24 GB or 32 GB16 GB, 24 GB or 32 GB
Storage256 GB to 2 TB256 GB to 2 TB
CPU10-core CPU with 4 performance cores and 6 efficiency cores10-core CPU with 4 performance cores and 6 efficiency cores
GPU8-core or 10-core GPU; hardware-accelerated ray tracing; Media Engine with H.264, HEVC, ProRes and ProRes RAW acceleration and AV1 decode10-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 memoryUnified memory
Memory bandwidth120 GB/s120 GB/s
Storage typeSSD, configurable up to 2 TBSSD, configurable up to 2 TB
CoolingFanlessFanless
Battery and size
Battery life (maker's claim)Up to 18 hoursUp to 18 hours
Battery capacity53.8 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 adapter with the 8-core GPU model; 35 W Dual USB-C Port adapter with the 10-core GPU model35 W Dual USB-C Port Power Adapter
Fast chargingWith the 70 W USB-C Power AdapterWith the 70 W USB-C Power Adapter
Materials100% recycled aluminium enclosure; more than 55% recycled content overall100% recycled aluminium enclosure; more than 55% recycled content overall
ColoursSky Blue, Silver, Starlight, MidnightSky Blue, Silver, Starlight, Midnight
Connections
Ports2 × Thunderbolt 4, MagSafe 3, headphone jack2 × Thunderbolt 4, MagSafe 3, headphone jack
Wi-FiWi-Fi 6EWi-Fi 6E
Bluetooth5.35.3
Webcam12MP Center Stage12MP Center Stage
Operating systemmacOSmacOS
Port detail2 × 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 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 displaysUp to two at 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 including 12 full-height function keysBacklit 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 beamforming; Voice Isolation and Wide Spectrum modesThree-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 (by model), 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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