MacBook (Retina, 12-inch, Early 2015) - Technical Specifications
  
Finish
Silver
Gold
Space Gray
Display
Retina display
12-inch (diagonal) LED-backlit display with IPS technology
2304-by-1440 resolution at 226 pixels per inch with support for millions of colors
16:10 aspect ratio
Supported scaled resolutions:
1440 by 900
1280 by 800
1024 by 640
Processor
1.1GHz
1.1GHz dual-core Intel Core M processor (Turbo Boost up to 2.4GHz) with 4MB shared L3 cache
Configurable to 1.3GHz dual-core Intel Core M processor (Turbo Boost up to 2.9GHz) with 4MB shared L3 cache.
1.2GHz
1.2GHz dual-core Intel Core M processor (Turbo Boost up to 2.6GHz) with 4MB shared L3 cache
Configurable to 1.3GHz dual-core Intel Core M processor (Turbo Boost up to 2.9GHz) with 4MB shared L3 cache.
Memory
8GB of 1600MHz LPDDR3 onboard memory
Storage
1.1GHz
256GB PCIe-based onboard flash storage1
1.2GHz
512GB PCIe-based onboard flash storage1
Size and Weight
Height: 0.14–0.52 inch (0.35–1.31 cm)
Width: 11.04 inches (28.05 cm)
Depth: 7.74 inches (19.65 cm)
Weight: 2.03 pounds (0.92 kg)2
Graphics and Video Support
Intel HD Graphics 5300
Dual display and video mirroring: Simultaneously supports full native resolution on the built-in display and up to 3840 by 2160 pixels on an external display, both at millions of colors
Wireless
Wi-Fi
802.11ac Wi-Fi wireless networking;
IEEE 802.11a/b/g/n compatible
Bluetooth
Bluetooth 4.0 wireless technology
Charging and Expansion
 
USB-C port with support for:
Charging
USB 3.1 Gen 1 (up to 5 Gbps)
Native DisplayPort 1.2 video output
VGA output using USB-C VGA Multiport Adapter (sold separately)
HDMI video output using USB-C Digital AV Multiport Adapter (sold separately)
Camera
480p FaceTime camera
Audio
Stereo speakers
Dual microphones
3.5 mm headphone jack
Support for Apple iPhone headset with remote and microphone
Keyboard and Trackpad
Full-size keyboard with 78 (U.S.) or 79 (ISO) individual LED backlit keys, including 12 function keys and 4 arrow keys with 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
Battery and Power
Up to 9 hours wireless web3
Up to 10 hours iTunes movie playback3
Up to 30 days of standby time3
Built-in 39.7-watt-hour lithium-polymer battery
29W USB-C Power Adapter; USB-C power port
Electrical and Operating Requirements
Line voltage: 100V–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
Operating System
OS X El Capitan
Engineered to take full advantage of your Mac hardware, OS X El Capitan is designed to be as easy to use as it is beautiful to look at. It comes with an amazing collection of apps you'll use — and love — every day. And it enables your Mac and iOS devices to work wonderfully together. Learn more
Built-in Apps4
Photos
iMovie
GarageBand
Pages
Numbers
Keynote
Safari
Mail
Messages
FaceTime
Calendar
Notes
App Store
iTunes
iBooks
Maps
Contacts
Reminders