Apple iMac 24″ (M1) vs Apple iMac (Retina 5K, 27-inch, Late 2014)

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iMac 24″ (M1) compared with iMac (Retina 5K, 27-inch, Late 2014)

	AppleiMac 24″ (M1)	AppleiMac (Retina 5K, 27-inch, Late 2014)
Overview
Released
Released	May 2021	October 2014
Performance
Processor
Processor	Apple M1	Intel Core i5-4690 or Intel Core i7-4790K
CPU cores
CPU cores	8	4
CPU threads
CPU threads	–	4 or 8
Graphics
Graphics	7-core GPU or 8-core GPU	AMD Radeon R9 M290X (2 GB GDDR5) or AMD Radeon R9 M295X (4 GB GDDR5)
Memory
Memory	8 GB or 16 GB	8 GB, 16 GB or 32 GB (better)
Storage
Storage	256 GB to 2 TB	256 GB to 3 TB (better)
CPU
CPU	8-core CPU with 4 performance cores and 4 efficiency cores	3.5 GHz quad-core Intel Core i5 with Turbo Boost up to 3.9 GHz, configurable to a 4.0 GHz quad-core Intel Core i7 with Turbo Boost up to 4.4 GHz
GPU
GPU	7-core GPU in the two-port model; 8-core GPU in the four-port model	AMD Radeon R9 M290X with 2 GB GDDR5, configurable to AMD Radeon R9 M295X with 4 GB GDDR5; either graphics option can be paired with either processor
Memory type
Memory type	–	1600 MHz DDR3; 8 GB (two 4 GB modules), configurable to 16 GB (two 8 GB modules) or 32 GB (four 8 GB modules); four user-accessible SO-DIMM slots
AI engine
AI engine	16-core Neural Engine	–
Storage type
Storage type	SSD; two-port model configurable to 512 GB or 1 TB, four-port model to 512 GB, 1 TB or 2 TB	1 TB Fusion Drive as standard; optional 3 TB Fusion Drive or 256 GB, 512 GB or 1 TB flash storage (SSD)
Display
Screen size
Screen size	24″	27″
Resolution
Resolution	4480 × 2520	5120 × 2880 (better)
Panel
Panel	IPS LCD	IPS LCD
Refresh rate
Refresh rate	60 Hz	–
Brightness
Brightness	500 nits	–
Display type
Display type	4.5K Retina display; actual diagonal 23.5 inches; IPS panel and 60 Hz refresh rate confirmed by Notebookcheck	27-inch Retina 5K display with IPS technology and support for millions of colours
Pixel density
Pixel density	218 ppi	–
Display features
Display features	1 billion colours; wide colour (P3); True Tone; anti-reflective coating	Laminated display and anti-reflective coating described by Macworld; Target Display Mode is unavailable (Engadget and Ars Technica). Apple does not publish brightness or refresh rate in the specification sheet.
Connections
Ports
Ports	2 × USB4, headphone jack	2 × Thunderbolt 2, 4 × USB-A, SD card slot, Ethernet, headphone jack
Ethernet
Ethernet	–	1 Gb/s
External displays
External displays	Up to 1	Up to 1
Wi-Fi
Wi-Fi	Wi-Fi 6	802.11ac
Bluetooth
Bluetooth	5.0	4.0
Camera
Camera	1080p FaceTime HD	FaceTime HD
Back ports
Back ports	Two-port model: two Thunderbolt / USB 4 ports with DisplayPort, Thunderbolt 3 and USB 4 up to 40 Gb/s, and USB 3.1 Gen 2 up to 10 Gb/s; optional Gigabit Ethernet. Four-port model adds two USB 3 ports up to 10 Gb/s and includes Gigabit Ethernet. Both have a 3.5 mm headphone jack.	Four USB 3 ports, two Thunderbolt 2 ports with Mini DisplayPort output, SDXC card slot, Gigabit Ethernet, headphone and optical digital audio output; Kensington lock slot. DVI, VGA and dual-link DVI need separately sold adapters.
External displays
External displays	One external display up to 6K 60 Hz, alongside the built-in display at full resolution	Built-in display at native resolution alongside one external display up to 3840 × 2160; extended desktop and video mirroring
Camera
Camera	1080p FaceTime HD camera; advanced image signal processor with computational video	–
Speakers
Speakers	High-fidelity six-speaker system with force-cancelling woofers; wide stereo sound; spatial audio with Dolby Atmos	Stereo speakers; supports Apple iPhone headset with microphone
Microphones
Microphones	Studio-quality three-mic array with high signal-to-noise ratio and directional beamforming; Hey Siri	Dual microphones
Keyboard and mouse
Keyboard and mouse	Magic Mouse and Magic Keyboard; keyboard has Touch ID on the four-port model and optionally on the two-port model; Magic Trackpad and Magic Keyboard with Touch ID and Numeric Keypad available instead	Apple Wireless Keyboard and Magic Mouse; optional Magic Trackpad
Design and power
Type
Type	All-in-one	All-in-one
Weight
Weight	4.46 kg (better)	9.54 kg
Width × depth × height
Width × depth × height	547 × 147 × 461 mm	650 × 203 × 516 mm
Operating system
Operating system	macOS	macOS
Size and weight detail
Size and weight detail	–	Dimensions include the stand; weight varies by configuration and manufacturing process. A built-in VESA mount version was also available.
Power supply
Power supply	143 W external power adapter with magnetic connection; Gigabit Ethernet built into the adapter where fitted	100–240 V AC, 50–60 Hz, single phase
Noise
Noise	7 dBA sound pressure at idle and during Apple's wireless web test (operator position)	Apple's operator-position sound pressure is 15 dB at idle, during hard-drive seek and during its wireless-web test; tested on the standard Core i5/M290X/Fusion Drive configuration
Materials
Materials	Recyclable, low-carbon aluminium enclosure	Recyclable aluminium and glass enclosure; arsenic-free display glass and mercury-free LED backlight
Colours
Colours	Two-port model: Blue, Green, Pink, Silver. Four-port model also comes in Yellow, Orange and Purple.	–
In the box
In the box	iMac, Magic Keyboard, Magic Mouse, 143 W power adapter, 2 m power lead, USB-C to Lightning cable	iMac with Retina 5K display, Apple Wireless Keyboard, Magic Mouse and power lead; OS X Yosemite and built-in creative and productivity apps