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The new M1 replaces the Intel Core i3, i5 or i7 of its predecessor. In the cheapest MacBook Air (as tested) it has an eight-core processor (CPU) and a seven-core graphics processor (GPU), with 8GB of RAM and 256GB/512GB of storage, but an eight-core GPU option is available.

TECH SPECS
Display	Retina display, 13.3-inch (diagonal) LED-backlit display with IPS technology; 2560-by-1600 native resolution at 227 pixels per inch with support for millions of colors, Supported scaled resolutions: 1680 by 1050, 1440 by 900, 1024 by 640, 400 nits brightness, Wide color (P3), True Tone technology
Chip	Apple M1 chip 8-core CPU with 4 performance cores and 4 efficiency cores, 7-core GPU, 16-core Neural Engine
Battery and Power	Up to 15 hours wireless web, Up to 18 hours Apple TV app movie playback, Built-in 49.9‑watt‑hour lithium‑polymer battery, 30W USB-C Power Adapter
Memory	8GB unified memory
Storage	256GB SSD
Keyboard and Trackpad	Backlit Magic Keyboard with: 78 (U.S.) or 79 (ISO) keys including 12 function keys and 4 arrow keys in an inverted-T arrangement Ambient light sensor Force Touch trackpad for precise cursor control and pressure-sensing capabilities; enables Force clicks, accelerators, pressure-sensitive drawing, and Multi-Touch gestures
Touch ID	Touch ID sensor
Wireless	Wi-Fi 802.11ax Wi-Fi 6 wireless networking IEEE 802.11a/b/g/n/ac compatible, Bluetooth 5.0 wireless technology
Camera	720p FaceTime HD camera
Video Support	Simultaneously supports full native resolution on the built-in display at millions of colors and: One external display with up to 6K resolution at 60Hz Thunderbolt 3 digital video output, Native DisplayPort output over USB-C VGA, HDMI, DVI, and Thunderbolt 2 output supported using adapters (sold separately)
Audio	Stereo speakers Wide stereo sound Support for Dolby Atmos playback Three-mic array with directional beamforming 3.5 mm headphone jack
Operating Requirements	Line voltage: 100V to 240V AC, Frequency: 50Hz to 60Hz, Operating temperature: 50° to 95° F (10° to 35° C), Storage temperature: −13° to 113° F (−25° to 45° C), Relative humidity: 0% to 90% noncondensing, Operating altitude: tested up to 10,000 feet, Maximum storage altitude: 15,000 feet, Maximum shipping altitude: 35,000 feet
Size and Weight	Height: 0.16–0.63 inch (0.41–1.61 cm), Width: 11.97 inches (30.41 cm), Depth: 8.36 inches (21.24 cm), Weight: 2.8 pounds (1.29 kg)3
Operating System	Operating System macOS is the most advanced desktop operating system in the world. macOS Big Sur introduces a bold new design and major updates to apps — taking macOS to a new level of power and beauty.
In the Box	MacBook Air, 30W USB-C Power Adapter, USB-C Charge Cable (2 m)