iMac (M1, 2021)
DiscontinuedApple M1
Price unavailable for United KingdomChip
Apple M1
Display
24″
Memory
8–16 GB
Storage
256–2048
Overview
- Type
- All-in-one desktop
- Announced
- 20 Apr 2021
- Released
- 21 May 2021
- Colours
- Blue, Green, Orange, Pink, Purple, Silver, Yellow
Chip & performance
- Chip
- Apple M1
- CPU cores
- 8
- GPU cores
- 7–8
- Neural Engine
- 16 cores
Memory & storage
- Unified memory
- 8–16 GB
- Memory bandwidth
- —
- 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 6 (802.11ax)
- Bluetooth
- 5.0
- Camera
- 1080p FaceTime HD
Physical
- Dimensions
- —
- Weight
- 4480 g
- Touch ID
- Yes
- Touch Bar
- No
Software
- macOS
- Shipped with macOS Big Sur · 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 M1Apple-confirmed
chip.cpuCores8Apple-confirmed
chip.gpuCoresBase7Apple-confirmed
chip.gpuCoresMax8Apple-confirmed
chip.neuralEngineCores16Apple-confirmed
memory.baseGb8 GBApple-confirmed
memory.maxGb16 GBApple-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 6 (802.11ax)Apple-confirmed
bluetooth5.0Apple-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