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iMac (M3, 2023)

Discontinued

Apple M3

Price unavailable for United Kingdom

Chip

Apple M3

Display

24″

Memory

8–24 GB

Storage

256–2048

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Overview

Type
All-in-one desktop
Announced
30 Oct 2023
Released
7 Nov 2023
Colours
Blue, Green, Orange, Pink, Purple, Silver, Yellow

Chip & performance

Chip
Apple M3
CPU cores
8
GPU cores
8–10
Neural Engine
16 cores

Memory & storage

Unified memory
8–24 GB
Memory bandwidth
100 GB/s
Storage
256GB – 2TB

Display

Type
4.5K Retina
Size
24″
Resolution
4480-by-2520
Pixel density
218 ppi
Peak brightness
500 nits
ProMotion
No
Nano-texture option
No

Battery & power

Battery
Not applicable
Power adapter
143W power adapter

Ports & connectivity

Thunderbolt
Thunderbolt / USB 4
Thunderbolt ports
2
HDMI
No
USB-A ports
0
SDXC card slot
No
Ethernet
Ethernet
MagSafe
No
Headphone jack
Yes
Max external displays
1
Wi-Fi
Wi-Fi 6E (802.11ax)
Bluetooth
5.3
Camera
1080p FaceTime HD

Physical

Dimensions
—
Weight
4480 g
Touch ID
Yes
Touch Bar
No

Software

macOS
Shipped with macOS Sonoma · Supported on the current OS

Field-level sources

Individual specifications can carry their own evidence and verification — not one blanket source. Some values are Apple-published, others come from regulatory filings or teardowns, and some are explicitly not disclosed.

chip.nameApple M3Apple-confirmed
chip.cpuCores8Apple-confirmed
chip.gpuCoresBase8Apple-confirmed
chip.gpuCoresMax10Apple-confirmed
chip.neuralEngineCores16Apple-confirmed
memory.baseGb8 GBApple-confirmed
memory.maxGb24 GBApple-confirmed
memory.bandwidthGBs100 GB/sApple-confirmed
macStorage.baseGb256 GBApple-confirmed
macStorage.maxGb2048 GBApple-confirmed
display.technology4.5K RetinaApple-confirmed
display.sizeInches24 inApple-confirmed
display.resolution4480-by-2520Apple-confirmed
display.pixelsPerInch218 ppiApple-confirmed
display.maxBrightnessNits500 nitsApple-confirmed
display.proMotionfalseApple-confirmed
display.nanoTextureOptionfalseApple-confirmed
powerAdapter143W power adapterApple-confirmed
ports.thunderboltThunderbolt / USB 4Apple-confirmed
ports.thunderboltCount2Apple-confirmed
ports.usbA0Apple-confirmed
ports.hdmifalseApple-confirmed
ports.sdxcfalseApple-confirmed
ports.magsafefalseApple-confirmed
ports.headphonetrueApple-confirmed
ports.ethernetEthernetApple-confirmed
externalDisplaysMax1Apple-confirmed
camera1080p FaceTime HDApple-confirmed
wifiWi-Fi 6E (802.11ax)Apple-confirmed
bluetooth5.3Apple-confirmed
touchIdtrueApple-confirmed
touchBarfalseApple-confirmed
weightGrams4480 gApple-confirmed

More Mac models

Current

MacBook Neo (A18 Pro)

Price unavailable for United Kingdom
Type
Notebook
Chip
Apple A18 Pro
Display
13″
Memory
8 GB
Released
2025
macOS Tahoe 26: supported
Current

MacBook Air 13-inch (M5)

Price unavailable for United Kingdom
Type
Notebook
Chip
Apple M5
Display
13.6″
Memory
16–32 GB
Released
2025
macOS Tahoe 26: supported
Current

MacBook Air 15-inch (M5)

Price unavailable for United Kingdom
Type
Notebook
Chip
Apple M5
Display
15.3″
Memory
16–32 GB
Released
2025
macOS Tahoe 26: supported

Related news

Official
3 Sept 2026

Apple releases Xcode 26.1 to developers

Apple has released Xcode 26.1 through its developer channel, with updated SDKs and tooling for the latest OS releases.

  • Mac
ConfirmedSource Apple Developer