Apple iMac (21.5-inch, Late 2013) vs Apple iMac 24″ (M1)

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iMac (21.5-inch, Late 2013) compared with iMac 24″ (M1)

	AppleiMac (21.5-inch, Late 2013)	AppleiMac 24″ (M1)
Overview
Released
Released	September 2013	May 2021
Performance
Processor
Processor	Intel Core i5-4570R, Intel Core i5-4570S or Intel Core i7-4770S	Apple M1
CPU cores
CPU cores	4	8
CPU threads
CPU threads	4 or 8	–
Graphics
Graphics	Intel Iris Pro Graphics 5200 or NVIDIA GeForce GT 750M (1 GB GDDR5)	7-core GPU or 8-core GPU
Memory
Memory	8 GB or 16 GB	8 GB or 16 GB
Storage
Storage	256 GB to 1 TB	256 GB to 2 TB (better)
CPU
CPU	2.7 GHz quad-core Core i5 with Turbo Boost up to 3.2 GHz, or 2.9 GHz quad-core Core i5 with Turbo Boost up to 3.6 GHz; the upper configuration supports a 3.1 GHz quad-core Core i7 with Turbo Boost up to 3.9 GHz	8-core CPU with 4 performance cores and 4 efficiency cores
GPU
GPU	Integrated Intel Iris Pro graphics on the 2.7 GHz configuration; NVIDIA GeForce GT 750M with 1 GB GDDR5 on the 2.9 GHz and optional Core i7 configurations	7-core GPU in the two-port model; 8-core GPU in the four-port model
AI engine
AI engine	–	16-core Neural Engine
Memory type
Memory type	1600 MHz DDR3; 8 GB (two 4 GB modules), configurable to 16 GB (two 8 GB modules) at purchase; memory is not user-accessible	–
Storage type
Storage type	1 TB 5400-rpm hard drive; optional 1 TB Fusion Drive or 256 GB or 512 GB flash storage on either base processor. Apple's launch notice confirms PCIe flash storage.	SSD; two-port model configurable to 512 GB or 1 TB, four-port model to 512 GB, 1 TB or 2 TB
Display
Screen size
Screen size	21.5″	24″
Resolution
Resolution	1920 × 1080	4480 × 2520 (better)
Panel
Panel	IPS LCD	IPS LCD
Refresh rate
Refresh rate	–	60 Hz
Brightness
Brightness	–	500 nits
Display type
Display type	LED-backlit display with IPS technology and support for millions of colours	4.5K Retina display; actual diagonal 23.5 inches; IPS panel and 60 Hz refresh rate confirmed by Notebookcheck
Pixel density
Pixel density	–	218 ppi
Display features
Display features	Fully laminated glass and anti-reflective coating; Target Display Mode via a separately sold Thunderbolt cable. Apple does not publish brightness or refresh rate in the model's specification sheet.	1 billion colours; wide colour (P3); True Tone; anti-reflective coating
Connections
Ports
Ports	2 × Thunderbolt, 4 × USB-A, SD card slot, Ethernet, headphone jack	2 × USB4, headphone jack
Ethernet
Ethernet	1 Gb/s	–
External displays
External displays	Up to 1	Up to 1
Wi-Fi
Wi-Fi	802.11ac	Wi-Fi 6
Bluetooth
Bluetooth	4.0	5.0
Camera
Camera	FaceTime HD	1080p FaceTime HD
Back ports
Back ports	Four USB 3 ports, two Thunderbolt 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.	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.
External displays
External displays	Built-in display at native resolution alongside one external display up to 2560 × 1600; extended desktop and video mirroring	One external display up to 6K 60 Hz, alongside the built-in display at full resolution
Camera
Camera	–	1080p FaceTime HD camera; advanced image signal processor with computational video
Speakers
Speakers	Stereo speakers; supports Apple iPhone headset with microphone	High-fidelity six-speaker system with force-cancelling woofers; wide stereo sound; spatial audio with Dolby Atmos
Microphones
Microphones	Dual microphones	Studio-quality three-mic array with high signal-to-noise ratio and directional beamforming; Hey Siri
Keyboard and mouse
Keyboard and mouse	Apple Wireless Keyboard and Magic Mouse; optional Magic Trackpad	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
Design and power
Type
Type	All-in-one	All-in-one
Weight
Weight	5.68 kg	4.46 kg (better)
Width × depth × height
Width × depth × height	528 × 175 × 450 mm	547 × 147 × 461 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	100–240 V AC, 50–60 Hz, single phase	143 W external power adapter with magnetic connection; Gigabit Ethernet built into the adapter where fitted
Noise
Noise	Apple's operator-position sound pressure: 12 dB at idle and during hard-drive access	7 dBA sound pressure at idle and during Apple's wireless web test (operator position)
Materials
Materials	Recyclable aluminium and glass enclosure; arsenic-free display glass and mercury-free LED backlight	Recyclable, low-carbon aluminium enclosure
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, Apple Wireless Keyboard, Magic Mouse and power lead; OS X Mountain Lion and iLife were included at launch	iMac, Magic Keyboard, Magic Mouse, 143 W power adapter, 2 m power lead, USB-C to Lightning cable