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iMac (24-inch, M4, 2024, Four ports) vs iMac (24-inch, M4, 2024, Two ports)

iMac (24-inch, M4, 2024, Four ports)1iMac (24-inch, M4, 2024, Two ports)2

Quick look

Quick look: iMac M4 (24-inch, Four ports) against iMac M4 (24-inch, Two ports)
FigureiMac M4 (24-inch, Four ports)1iMac M4 (24-inch, Two ports)2
Price£1,4993launch price£1,2993launch price
ChipM4chipM4chip
CPU10-coreCPU8-coreCPU
GPU10-coreGPU8-coreGPU
Memory16GBunified memory, base16GBunified memory, base
Storage256GBstorage, base256GBstorage, base
Display24-inchdisplay24-inchdisplay
Released8 November 20244ReleasedIn Apple Stores; pre-order from 28 October 2024.8 November 20244ReleasedIn Apple Stores; pre-order from 28 October 2024.
Security updatesNot available5Security updatesNot available5Security updates
Price
The iMac M4 (24-inch, Four ports) is £1,499 at launch, per Apple Newsroom (UK); the iMac M4 (24-inch, Two ports) is £1,299 at launch, per Apple Newsroom (UK).

True to scale

iMac (24-inch, M4, 2024, Four ports) · 547 × 461 mm frontiMac (24-inch, M4, 2024, Two ports) · 547 × 461 mm front

Front faces, from Apple’s published dimensions, drawn to one scale and superposed. Corner rounding is our drawing convention, not a measurement.

Specifications

Each figure is from the source marked by its Mac’s name unless it carries its own small number, which links to where that figure was read.

Body

Body: Apple iMac (24-inch, M4, 2024, Four ports) against Apple iMac (24-inch, M4, 2024, Two ports)
SpecificationiMac M4 (24-inch, Four ports)1iMac M4 (24-inch, Two ports)2
Dimensions461 x 547 x 147 mm461 x 547 x 147 mm
Weight4.44 kg4.42 kg
ColoursBlue, Purple, Pink, Orange, Yellow, Green, SilverBlue, Purple, Pink, Orange, Yellow, Green, Silver
PortsFour Thunderbolt 4 ports, 3.5mm headphone jack, Gigabit EthernetTwo Thunderbolt / USB 4 ports, 3.5mm headphone jack
Thunderbolt ports42
Thunderbolt versionThunderbolt 4Thunderbolt 4
USB-A portsNo USB-A ports.6No USB-A ports.7
HDMINo HDMI port.8No HDMI port.9
SD card slotNo SD card slot.8No SD card slot.9
Headphone jackYesYes
KeyboardMagic Keyboard with Touch IDMagic Keyboard
Touch IDYesNo Touch ID.7

Display

Display: Apple iMac (24-inch, M4, 2024, Four ports) against Apple iMac (24-inch, M4, 2024, Two ports)
SpecificationiMac M4 (24-inch, Four ports)1iMac M4 (24-inch, Two ports)2
Display size24 in24 in
Resolution4480 x 25204480 x 2520
Pixel density218 ppi218 ppi
Display type4.5K Retina display4.5K Retina display
Brightness500 nits500 nits
Wide colour (P3)YesYes
Nano-texture optionYesNo nano-texture display option.9

Chip and memory

Chip and memory: Apple iMac (24-inch, M4, 2024, Four ports) against Apple iMac (24-inch, M4, 2024, Two ports)
SpecificationiMac M4 (24-inch, Four ports)1iMac M4 (24-inch, Two ports)2
ChipApple M4 chipApple M4 chip
Apple siliconYesYes
CPU cores108
Performance cores44
Efficiency cores64
GPU cores108
Neural Engine cores1616
Chip optionsM4 with 10-core CPU and 10-core GPUM4 with 8-core CPU and 8-core GPU
Memory (base)16GB16GB
Memory (maximum)32GB24GB
Memory options16GB, 24GB or 32GB16GB or 24GB
Memory upgradeable by userNo, as Apple documents10No, as Apple documents10
Memory bandwidth120 GB/s120 GB/s
Storage (base)256GB256GB
Storage (maximum)2TB1TB
Storage options256GB, 512GB, 1TB or 2TB256GB, 512GB or 1TB
Media engineHardware-accelerated H.264, HEVC, ProRes and ProRes RAWvideo decode enginevideo encode engineProRes encode and decode engineAV1 decodeHardware-accelerated H.264, HEVC, ProRes and ProRes RAWvideo decode enginevideo encode engineProRes encode and decode engineAV1 decode

Battery and power

Battery and power: Apple iMac (24-inch, M4, 2024, Four ports) against Apple iMac (24-inch, M4, 2024, Two ports)
SpecificationiMac M4 (24-inch, Four ports)1iMac M4 (24-inch, Two ports)2
Included power adapter143 W11143 W12

Connectivity

Connectivity: Apple iMac (24-inch, M4, 2024, Four ports) against Apple iMac (24-inch, M4, 2024, Two ports)
SpecificationiMac M4 (24-inch, Four ports)1iMac M4 (24-inch, Two ports)2
Wi-FiWi‑Fi 6E (802.11ax)Wi‑Fi 6E (802.11ax)
Bluetooth5.35.3
EthernetGigabit EthernetGigabit Ethernet configurable
External displays (base)21

Camera and audio

Camera and audio: Apple iMac (24-inch, M4, 2024, Four ports) against Apple iMac (24-inch, M4, 2024, Two ports)
SpecificationiMac M4 (24-inch, Four ports)1iMac M4 (24-inch, Two ports)2
Camera12MP Center Stage camera with support for Desk View12MP Center Stage camera with support for Desk View
Camera resolution12 MP12 MP
SpeakersHigh-fidelity six-speaker system with force-cancelling woofersHigh-fidelity six-speaker system with force-cancelling woofers
MicrophonesStudio-quality three-mic array with high signal-to-noise ratio and directional beamformingStudio-quality three-mic array with high signal-to-noise ratio and directional beamforming

Platform

Platform: Apple iMac (24-inch, M4, 2024, Four ports) against Apple iMac (24-inch, M4, 2024, Two ports)
SpecificationiMac M4 (24-inch, Four ports)1iMac M4 (24-inch, Two ports)2
Newest macOSmacOS 27 Golden Gate13macOS 27 Golden Gate13
Model identifierMac16,314Mac16,214
Model year20242024

Benchmarks

Benchmarks: Apple iMac (24-inch, M4, 2024, Four ports) against Apple iMac (24-inch, M4, 2024, Two ports)
SpecificationiMac M4 (24-inch, Four ports)1iMac M4 (24-inch, Two ports)2
Geekbench 7 (CPU, single-core)3,245153,17615
Geekbench 7 (CPU, multi-core)15,4871513,43715
Geekbench 7 (Metal)53,1341547,41615

Sources

  1. Apple Support (UK) — iMac (24-inch, 2024, Four ports) - Tech specs · Default for iMac M4 (24-inch, Four ports) · Apple’s figure · read 15 Sep 2026

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  2. Apple Support (UK) — iMac (24-inch, 2024, Two ports) - Tech specs · Default for iMac M4 (24-inch, Two ports) · Apple’s figure · read 15 Sep 2026

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  3. Apple Newsroom (UK) — Apple introduces new iMac supercharged by M4 and Apple Intelligence · Apple’s figure · read 27 Oct 2026

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  4. Apple Newsroom (UK) — Apple introduces new iMac supercharged by M4 and Apple Intelligence · Apple’s figure · read 15 Sep 2026

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  5. Security updates: no end date published. Checked: endoflife.date. Read 22 Sep 2026

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  6. iMac (24-inch, M4, 2024, Four ports): No USB-A ports. Checked: Apple Support (UK) — iMac (24-inch, 2024, Four ports) - Tech specs. Read 15 Sep 2026

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  7. iMac (24-inch, M4, 2024, Two ports): No USB-A ports. No Touch ID. Checked: Apple Support (UK) — iMac (24-inch, 2024, Two ports) - Tech specs. Read 15 Sep 2026

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  8. iMac (24-inch, M4, 2024, Four ports): No HDMI port. No SD card slot. Checked: Apple Support (UK) — iMac (24-inch, 2024, Four ports) - Tech specs. Read 9 Oct 2026

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  9. iMac (24-inch, M4, 2024, Two ports): No HDMI port. No SD card slot. No nano-texture display option. Checked: Apple Support (UK) — iMac (24-inch, 2024, Two ports) - Tech specs. Read 9 Oct 2026

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  10. Apple Support (UK) — Install memory in an iMac · Apple’s figure · read 18 Oct 2026

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  11. Apple Support (UK) — iMac (24-inch, 2024, Four ports) - Tech specs · Apple’s figure · read 9 Oct 2026

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  12. Apple Support (UK) — iMac (24-inch, 2024, Two ports) - Tech specs · Apple’s figure · read 9 Oct 2026

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  13. Apple Support (UK) — macOS 27 Golden Gate is compatible with these computers · Apple’s figure · read 22 Sep 2026

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  14. Apple Support (UK) — Identify your iMac model · Apple’s figure · read 15 Sep 2026

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  15. Geekbench Browser (Primate Labs) · third-party figure · read 11 Oct 2026

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Not published by Apple

iMac M4 (24-inch, Four 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, 2024, Four ports) - Tech specs; Apple Support (UK) — Identify your iMac model; Apple Newsroom (UK) — Apple introduces new iMac supercharged by M4 and Apple Intelligence, read 9 Oct 2026.

iMac M4 (24-inch, 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, 2024, Two ports) - Tech specs; Apple Support (UK) — Identify your iMac model; Apple Newsroom (UK) — Apple introduces new iMac supercharged by M4 and Apple Intelligence, read 9 Oct 2026.

If you own one of them

Whether to move is a different question from which is better. Each Mac has a page on it: what its successor changes (the newest Mac in its line where Apple sells one, otherwise the Mac this site treats as its replacement, which can be in another line), what it fetches and whether it still gets updates. Should I upgrade my iMac M4 (24-inch, 2024, Four ports)? · Should I upgrade my iMac M4 (24-inch, 2024, Two ports)?

The pairs a buyer of either Mac would also weigh. Any two Macs in the catalogue can be compared from the chooser.