Apple iMac (Retina 5K, 27-inch, 2020) vs Apple Mac mini (M4 or M4 Pro)

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

iMac (Retina 5K, 27-inch, 2020) compared with Mac mini (M4 or M4 Pro)
AppleiMac (Retina 5K, 27-inch, 2020)AppleMac mini (M4 or M4 Pro)
Overview
ReleasedAugust 2020November 2024
Performance
ProcessorIntel Core i5-10500, Intel Core i5-10600, Intel Core i9-10910 or Intel Core i7-10700KApple M4 or Apple M4 Pro
CPU cores6, 8 or 1010, 12 or 14
CPU threads12, 16 or 20–
GraphicsRadeon Pro 5300 (4 GB GDDR6), Radeon Pro 5500 XT (8 GB GDDR6), Radeon Pro 5700 (8 GB GDDR6) or Radeon Pro 5700 XT (16 GB GDDR6)10-core GPU, 16-core GPU or 20-core GPU
AI engine (NPU)–38 TOPS
Memory8 GB, 16 GB, 32 GB, 64 GB or 128 GB (better)16 GB, 24 GB, 32 GB or 64 GB
Storage256 GB to 8 TB256 GB to 8 TB
CPUSix-core Core i5 at 3.1 GHz (Turbo Boost 4.5 GHz) or 3.3 GHz (4.8 GHz), or eight-core Core i7 at 3.8 GHz (5.0 GHz). Upper two bases configurable to 3.6 GHz ten-core Core i9 (5.0 GHz). Exact CPU identities follow Geekbench. Apple specifies a 5.0 GHz Core i7 limit in this iMac, while Intel lists 5.1 GHz for the chip itself.M4: 10-core CPU with 4 performance cores and 6 efficiency cores; M4 Pro: 12-core CPU with 8 performance cores and 4 efficiency cores, or 14-core CPU with 10 performance cores and 4 efficiency cores
GPURadeon Pro 5300 with 4 GB GDDR6 on the two Core i5 bases. Upper base has Radeon Pro 5500 XT with 8 GB GDDR6, optionally Radeon Pro 5700 with 8 GB or 5700 XT with 16 GB GDDR6.M4: 10-core GPU; M4 Pro: 16-core or 20-core GPU; hardware-accelerated ray tracing
AI engine–16-core Neural Engine
Memory bandwidth–M4: 120GB/s; M4 Pro: 273GB/s
Memory type2666 MHz DDR4; 8 GB standard as two 4 GB modules. Four user-accessible SO-DIMM slots; configurable to 16/32/64/128 GB on every base.–
Storage typeLower base: fixed 256 GB SSD. Middle base: 512 GB/1/2 TB SSD. Upper base: 512 GB/1/2/4/8 TB SSD.SSD
Media engine–Hardware-accelerated H.264, HEVC, ProRes and ProRes RAW; video decode engine; video encode engine; ProRes encode and decode engine; AV1 decode
Display
Screen size27″None built in
Resolution5120 × 2880–
PanelIPS LCD–
Brightness500 nits–
Display typeLED-backlit Retina 5K display; IPS panel confirmed by EveryMac. Apple does not publish native refresh rate in the specification sheet.–
Display featuresWide colour (P3), one billion colours and True Tone; standard glass or optional nano-texture glass–
Connections
Ports2 × Thunderbolt 3, 4 × USB-A, SD card slot, Ethernet, headphone jack3 × Thunderbolt 4, 2 × USB-C, HDMI, Ethernet, headphone jack
Ethernet1 Gb/s1 Gb/s
External displaysUp to 2Up to 3 (better)
Wi-Fi802.11acWi-Fi 6E
Bluetooth5.05.3
Front ports–2 × USB-C with USB 3 (up to 10Gb/s); 3.5 mm headphone jack with advanced support for high-impedance headphones
Camera1080p FaceTime HD–
Back portsFour USB-A ports; two Thunderbolt 3 USB-C ports with DisplayPort, Thunderbolt up to 40 Gb/s and USB 3.1 Gen 2 up to 10 Gb/s; UHS-II SDXC, Gigabit Ethernet and 3.5 mm headphone jack; Kensington lock slot. Optional 10Gb Ethernet supports 1/2.5/5/10Gb connections. Thunderbolt 2, HDMI, DVI and VGA require adapters.M4: 3 × Thunderbolt 4 (USB-C) with Thunderbolt 4 and USB 4 (up to 40Gb/s) and DisplayPort; M4 Pro: 3 × Thunderbolt 5 (USB-C) with Thunderbolt 5 (up to 120Gb/s), USB 4 and DisplayPort; HDMI with multichannel audio output; Gigabit Ethernet (RJ-45), configurable to 10Gb Ethernet
External displaysOne 6K or 5K external display, or two 4K displays; two 6K displays require Radeon Pro 5700 or 5700 XT. All listed external modes run at 60 Hz.M4: up to three (two at up to 6K 60Hz over Thunderbolt, plus one at up to 5K 60Hz over Thunderbolt or 4K 60Hz over HDMI), or two (one at up to 5K 60Hz plus one at up to 8K 60Hz or 4K 240Hz); M4 Pro: up to three at up to 6K 60Hz over Thunderbolt or HDMI, or two (one at up to 6K 60Hz plus one at up to 8K 60Hz or 4K 240Hz)
SpeakersStereo speakersBuilt-in speaker
MicrophonesThree-mic array with directional beamforming; supports Hey SiriNone built in
Keyboard and mouseRechargeable Magic Keyboard and Magic Mouse 2; optional numeric keyboard and Magic Trackpad–
Design and power
TypeAll-in-oneCompact
Weight8.92 kg0.67 kg (better)
Width × depth × height650 × 203 × 516 mm127 × 127 × 50 mm
Operating systemmacOSmacOS
Size and weight detailDimensions include the stand; weight varies by configuration and manufacturing process. A built-in VESA mount version was also available.–
Power supply100–240 V AC, 50–60 Hz, single phaseBuilt-in; 100–240V AC; 155W maximum continuous power
Power use–M4 with 16GB and 256GB: 4W idle, 65W maximum; M4 Pro with 64GB and 8TB: 5W idle, 140W maximum
Noise–5 dBA sound pressure at idle (operator position)
Colours–Silver
MaterialsRecyclable, low-carbon aluminium enclosure; arsenic-free glass and mercury-free LED backlight–
In the boxiMac, Magic Keyboard, Magic Mouse 2, power lead, Lightning to USB cable and polishing clothMac mini, power lead (1.8 m)

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