Model Years: Late 2012, Early 2013, Late 2013, Mid 2014, Early 2015

Storage: 128GB to 1TB (SSD)

Initial OS: OS X 10.8.2 Mountain Lion (Late 2012)

Latest OS:
- macOS 10.15.7 Catalina (Late 2012, Early 2013)
- macOS 11.7.10 Big Sur (Late 2013, Mid 2014)
- macOS 12.7.6 Monterey (Early 2015)

Released: October 23 2012

Discontinued: June 5 2017

Processor:
- Intel Core i5-3210M (Late 2012)
- Intel Core i7-3520M (Late 2012)
- Intel Core i5-3230M (Early 2013)
- Intel Core i7-3540M (Early 2013)
- Intel Core i5-4258U (Late 2013)
- Intel Core i5-4288U (Late 2013)
- Intel Core i7-4558U (Late 2013)
- Intel Core i5-4278U (Mid 2014)
- Intel Core i5-4308U (Mid 2014)
- Intel Core i7-4578U (Mid 2014)
- Intel Core i5-5257U (Early 2015)
- Intel Core i5-5287U (Early 2015)
- Intel Core i7-5557U (Early 2015)

Graphics:
- Intel HD Graphics 4000 (Late 2012, Early 2013)
- Intel Iris Graphics 5100 (Late 2013, Mid 2014)
- Intel Iris Graphics 6100 (Early 2015)

RAM Configurations Sold:
- 4GB DDR3L RAM 1600MHz (Late 2013)
- 8GB DDR3L RAM 1600MHz (Late 2012, Early 2013, Late 2013, Mid 2014)
- 8GB LPDDR3 RAM 1866MHz (Early 2015)
- 16GB DDR3L RAM 1600MHz  (Late 2013, Mid 2014)
- 16GB LPDDR3 RAM 1866MHz (Early 2015)

Display Specifications:
- 13.3" LCD Display
- 2560 x 1600 display resolution at 227ppi
- Retina Display

New Features:
- Magsafe 2
- Force Touch Trackpad (2015 only)
- Updated I/O
- All flash architecture
- Thinner Design
- Retina Display

Model Years: Mid 2012, Early 2013, Late 2013, Mid 2014, Mid 2015

Storage: 256GB to 1TB (SSD)

Initial OS: OS X 10.7.4 Lion (Mid 2012)

Latest OS:
- macOS 10.15.7 Catalina (Mid 2012, Early 2013)
- macOS 11.7.10 Big Sur (Late 2013, Mid 2014)
- macOS 12.7.6 Monterey (Mid 2015)

Released: June 11 2012

Discontinued: July 12 2018

Processor:
- Intel Core i7-3615QM (Mid 2012)
- Intel Core i7-3720QM (Mid 2012)
- Intel Core i7-3820QM (Mid 2012)
- Intel Core i7-3625QM (Early 2013)
- Intel Core i7-3740QM (Early 2013)
- Intel Core i7-3840QM (Early 2013)
- Intel Core i7-4750HQ (Late 2013)
- Intel Core i7-4850HQ (Late 2013)
- Intel Core i7-4960HQ (Late 2013)
- Intel Core i7-4770HQ (Mid 2014, Mid 2015)
- Intel Core i7-4870HQ (Mid 2014, Mid 2015)
- Intel Core i7-4980HQ (Mid 2014, Mid 2015)

Graphics:
- Intel HD Graphics 4000 (Mid 2012, Early 2013)
- Nvidia GeForce GT 650M (Mid 2012, Early 2013)
- Intel Iris Pro 5200 (Late 2013, Mid 2014, Mid 2015)
- Nvidia GeForce GT 750M (Late 2013, Mid 2014)
- AMD Radeon R9 M370X (Mid 2015)

RAM Configurations Sold:
- 8GB DDR3L RAM 1600MHz (Mid 2012, Early 2013, Late 2013)
- 16GB DDR3L RAM 1600MHz  (Mid 2012, Early 2013, Late 2013, Mid 2014, Mid 2015)

Display Specifications:
- 15.4" LCD Display
- 2880 x 1800 display resolution at 220ppi
- Retina Display

New Features:
- Magsafe 2
- Force Touch Trackpad (2015 only)
- Updated I/O
- All flash architecture
- Thinner Design
- Retina Display