iMac (24-inch, M3, 2023, Two ports)
Quick look
Each figure is from the source marked1 unless it carries its own number.
Specifications
Body
- Dimensions
- 461 x 547 x 147 mm
- Weight
- 4.43 kg
- Colours
- Blue, Green, Pink, Silver
- Ports
- Two Thunderbolt / USB 4 ports, 3.5 mm headphone jack
- Thunderbolt ports
- 2
- Thunderbolt version
- Thunderbolt 3
- USB-A ports
- No USB-A ports.4
- HDMI
- No HDMI port.5
- SD card slot
- No SD card slot.5
- Headphone jack
- Yes
- Keyboard
- Magic Keyboard
- Touch ID
- No Touch ID.4
Display
- Display size
- 24 in
- Resolution
- 4480 x 2520
- Pixel density
- 218 ppi
- Display type
- 4.5K Retina display
- Brightness
- 500 nits
- Wide colour (P3)
- Yes
- Nano-texture option
- No nano-texture display option.5
Chip and memory
- Chip
- Apple M3 chip
- Apple silicon
- Yes
- CPU cores
- 8
- Performance cores
- 4
- Efficiency cores
- 4
- GPU cores
- 8
- Neural Engine cores
- 16
- Chip options
- M3 with 8-core CPU and 8-core GPU
- Memory (base)
- 8GB
- Memory (maximum)
- 24GB
- Memory options
- 8GB, 16GB or 24GB
- Memory upgradeable by user
- No, as Apple documents6
- Memory bandwidth
- 100 GB/s
- Storage (base)
- 256GB
- Storage (maximum)
- 1TB
- Storage options
- 256GB, 512GB or 1TB
- Media engine
- Hardware-accelerated H.264, HEVC, ProRes and ProRes RAWvideo decode enginevideo encode engineProRes encode and decode engineAV1 decode
Battery and power
- Included power adapter
- 143 W7
Connectivity
- Wi-Fi
- Wi‑Fi 6E (802.11ax)
- Bluetooth
- 5.3
- Ethernet
- Gigabit Ethernet configurable
- External displays (base)
- 1
Camera and audio
- Camera
- 1080p FaceTime HD camera
- Speakers
- High-fidelity six-speaker system with force-cancelling woofers
- Microphones
- Studio-quality three-mic array with high signal-to-noise ratio and directional beamforming
Platform
Benchmarks
An iMac has no battery, so battery rows do not apply.
What it actually costs
- Used, Grade A
- £80012out of stock online and in store when read · repriced 30 October 2026 · since 1 Nov 2026 · earlier: £825 from 28 Sep 2026
- Used, Grade B
- £70013repriced 30 October 2026 · since 1 Nov 2026 · earlier: £725 from 28 Sep 2026
- Used, Grade C
- £67514out of stock online and in store when read · repriced 30 October 2026 · since 1 Nov 2026 · earlier: £700 from 28 Sep 2026
- Trade in yours, Grade A
- £456 cash / £552 voucher1221% more as store credit
Read 3 November 2026. CeX is one UK retailer; its used and trade-in figures are shown at its condition grades for the base configuration: M3 with 8-core CPU and 8-core GPU, 8GB memory, 256GB storage. “Since” is the first day MacIQ read that figure; “earlier” figures were each read from the date shown. We hold no stock and take no commission.
Apple UK price, as listed
Apple’s UK store page for the base configuration (Apple M3 chip, 8-core CPU, 8-core GPU, 8GB memory, 256GB storage), as the Internet Archive saved it. Each row runs from the first to the last Internet Archive capture MacIQ read at that price; the price may have held before and after. MacIQ read a selection of the Archive’s captures, not every one. Read 18 October 2026.
Software support
Previous and next model
Next model
What changed
- Weight
- 4.43 kg iMac M34.42 kg iMac M4
- Chip
- Apple M3 chip iMac M3Apple M4 chip iMac M4
- Memory (base)
- 8GB iMac M316GB iMac M4
- Memory bandwidth
- 100 GB/s iMac M3120 GB/s iMac M4
- When does the iMac (24-inch, M3, 2023, Two ports) stop getting updates?
- Should I upgrade my iMac (24-inch, M3, 2023, Two ports)?
- Which Macs run macOS 27?
- Which Macs run macOS Tahoe 26?
- Which Macs run macOS Sequoia?
- Which Macs run macOS Sonoma?
- How many external displays does each Mac support?
- Can I upgrade the memory or storage in my Mac?
- Ports, displays and chargers for every Mac
Comparisons
Against its own line
Against the rest of the range
- iMac (24-inch, M3, 2023, Two ports) vs MacBook Air (13-inch, M3, 2024)
- iMac (24-inch, M3, 2023, Two ports) vs MacBook Air (15-inch, M3, 2024)
- iMac (24-inch, M3, 2023, Two ports) vs MacBook Pro (14-inch, M3, Nov 2023)
- iMac (24-inch, M3, 2023, Two ports) vs MacBook Pro (14-inch, M3 Pro, Nov 2023)
- iMac (24-inch, M3, 2023, Two ports) vs MacBook Pro (16-inch, M3 Pro, Nov 2023)
- iMac (24-inch, M3, 2023, Two ports) vs Mac Studio (M2 Max, 2023)
- iMac (24-inch, M3, 2023, Two ports) vs MacBook Air (15-inch, M2, 2023)
- iMac (24-inch, M3, 2023, Two ports) vs Mac mini (M2 Pro, 2023)
- iMac (24-inch, M3, 2023, Two ports) vs MacBook Pro (14-inch, M2 Pro, 2023)
- iMac (24-inch, M3, 2023, Two ports) vs MacBook Pro (16-inch, M2 Pro, 2023)
Sources
Apple Support (UK) — iMac (24-inch, 2023, Two ports) - Tech Specs ·
↩Apple Newsroom (UK) — Apple supercharges 24-inch iMac with new M3 chip ·
↩Security updates: no end date published.
↩No USB-A ports. No Touch ID.
↩No HDMI port. No SD card slot. No nano-texture display option.
↩Apple Support (UK) — Install memory in an iMac ·
↩Apple Support (UK) — iMac (24-inch, 2023, Two ports) - Tech Specs ·
↩Apple Support (UK) — macOS 27 Golden Gate is compatible with these computers ·
↩Apple Support (UK) — Identify your iMac model ·
↩Apple Support (UK) — Identify your iMac model ·
↩Geekbench Browser (Primate Labs) ·
↩- ↩
- ↩
- ↩
Apple Store (UK), as saved by the Internet Archive — Buy iMac - Apple (UK), captured 1 Nov 2023 ·
↩Apple Store (UK), as saved by the Internet Archive — Buy iMac - Apple (UK), captured 4 Oct 2024 ·
↩Feature and security updates: end dates not published by Apple.
↩Apple’s macOS 27 Golden Gate compatibility list names this Mac. endoflife.date says Apple usually provides security updates for the latest three macOS releases, but that this isn’t consistently applied; Apple publishes no end date.
↩
Not published by Apple
iMac (24-inch, M3, 2023, Two ports). Apple doesn’t publish for this Mac: refresh rate, storage upgradeable by user, maximum continuous power, the macOS it shipped with. Pages checked: Apple Support (UK) — iMac (24-inch, 2023, Two ports) - Tech Specs; Apple Support (UK) — Identify your iMac model; Apple Newsroom (UK) — Apple supercharges 24-inch iMac with new M3 chip, read 9 Oct 2026.