Apple MacBook Air (13-inch, Mid 2012) vs Apple MacBook Air 15″ (M3)

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

Better figure, where one is clearly better

MacBook Air (13-inch, Mid 2012) compared with MacBook Air 15″ (M3)
AppleMacBook Air (13-inch, Mid 2012)AppleMacBook Air 15″ (M3)
Overview
ReleasedJune 2012March 2024
Display
Screen size13.3″15.3″
Resolution1440 × 9002880 × 1864 (better)
PanelTN LCDIPS LCD
Refresh rate–60 Hz
Brightness–500 nits
TouchscreenNoNo
Display typeGlossy LED-backlit widescreen LCD, millions of colours; TN panel confirmed by Notebookcheck's exact-model review. Refresh rate and brightness unpublished by Apple.Liquid Retina display; LED-backlit with IPS technology
Pixel density–224 ppi
Colour range–Wide colour (P3); 1 billion colours
Display features–True Tone; 60 Hz refresh rate (Notebookcheck)
Performance
ProcessorIntel Core i5-3427U or Intel Core i7-3667UApple M3
CPU cores28
CPU threads4–
GraphicsIntel HD Graphics 400010-core GPU
Memory4 GB or 8 GB8 GB, 16 GB or 24 GB (better)
Storage128 GB to 512 GB256 GB to 2 TB (better)
CPUDual-core Intel Core i5-3427U at 1.8 GHz with Turbo Boost up to 2.8 GHz and 3 MB shared L3 cache; the 256 GB base is configurable to Core i7-3667U at 2.0 GHz with Turbo Boost up to 3.2 GHz and 4 MB cache. Exact i5 identity confirmed by Notebookcheck; Macworld documents the higher-base-only i7 upgrade, whose exact identity is confirmed by MacGeneration's review of the 13-inch i7 configuration.8-core CPU with 4 performance cores and 4 efficiency cores
GPUIntel HD Graphics 4000 integrated graphics10-core GPU with hardware-accelerated ray tracing; media engine supports H.264, HEVC, ProRes and ProRes RAW, video and ProRes encode/decode, and AV1 decode
AI engine–16-core Neural Engine
Memory type4 GB of 1600 MHz DDR3L onboard memory, configurable to 8 GBUnified memory; 8 GB at launch, configurable to 16 GB or 24 GB; standard memory increased to 16 GB on 30 October 2024
Memory bandwidth–100 GB/s
Storage type128 GB base with Core i5; 256 GB base configurable to 512 GB flash storage and either processor. Memory upgrade applies to either base. Configurations preserve the base-specific upgrade restrictions documented by Macworld.SSD, configurable to 512 GB, 1 TB or 2 TB
Cooling–Fanless
Battery and size
Battery life (maker's claim)Up to 7 hoursUp to 18 hours
Battery capacity50 Wh66.5 Wh (better)
Weight1.35 kg (better)1.51 kg
Thickness17 mm11.5 mm (better)
Width × depth325 × 227 mm340.4 × 237.6 mm
Battery life detailBuilt-in 50 Wh lithium-polymer battery; up to 7 hours wireless web or 30 days standby under Apple's test conditions. Reference weight varies by configuration and manufacturing process.Up to 15 hours wireless web; lithium-polymer battery
Charger45 W MagSafe 2 Power Adapter with cable management35 W Dual USB-C Port Power Adapter
Fast charging–With the 70 W USB-C Power Adapter
MaterialsAluminium enclosure; tapered thickness from 3 to 17 mm100% recycled aluminium enclosure
ColoursSilverSilver, Starlight, Space Grey, Midnight
Connections
Ports2 × USB-A, Thunderbolt, MagSafe 2, headphone jack, SD card slot2 × Thunderbolt 3, MagSafe 3, headphone jack
Wi-Fi802.11n; compatible with 802.11a/b/gWi-Fi 6E
Bluetooth4.05.3
Webcam720p FaceTime HD1080p FaceTime HD
Operating systemmacOSmacOS
Port detailTwo USB 3 ports up to 5 Gb/s, Thunderbolt up to 10 Gb/s with native Mini DisplayPort output, MagSafe 2 and headphone jack supporting the Apple iPhone headset remote and microphone, and SD card slot. DVI, VGA, dual-link DVI and HDMI require separate adapters.Two Thunderbolt / USB 4 ports supporting charging, DisplayPort, Thunderbolt 3 and USB 4 up to 40 Gb/s; MagSafe 3; 3.5 mm headphone jack with high-impedance headphone support
External displaysBuilt-in screen plus one external display up to 2560 × 1600, both with millions of colours; dual display and video mirroring, HDMI audio and video through a compatible adapterOne external display up to 6K 60 Hz alongside the built-in display; close the lid to use a second external display up to 5K 60 Hz
KeyboardFull-size backlit keyboard with 78 US or 79 ISO keys, 12 function keys, four arrow keys and ambient light sensorBacklit Magic Keyboard; 78 (US) or 79 (ISO) keys with 12 full-height function keys; ambient light sensor
TrackpadMulti-Touch trackpad with inertial scrolling, pinch, rotate, swipe, three-finger swipe, four-finger swipe, tap, double-tap and dragForce Touch trackpad
SpeakersStereo speakersSix-speaker sound system with force-cancelling woofers; Spatial Audio with Dolby Atmos
MicrophonesOmnidirectional microphoneThree-mic array with directional beamforming; Voice Isolation and Wide Spectrum modes
Biometrics–Touch ID
In the boxMacBook Air, power adapter, AC wall plug and power cord; OS X Lion at launch, with a free upgrade to Mountain Lion when available; iLife and documentation15-inch MacBook Air, 35 W Dual USB-C Port Power Adapter, USB-C to MagSafe 3 Cable (2 m)

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