Apple iMac (27-inch, Mid 2010) vs Apple iMac Pro (2017)

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iMac (27-inch, Mid 2010) compared with iMac Pro (2017)

	AppleiMac (27-inch, Mid 2010)	AppleiMac Pro (2017)
Overview
Released
Released	July 2010	December 2017
Performance
Processor
Processor	Intel Core i3-550, Intel Core i5-680, Intel Core i5-760 or Intel Core i7-870	Intel Xeon W-2140B, Intel Xeon W-2150B, Intel Xeon W-2170B or Intel Xeon W-2191B
CPU cores
CPU cores	2 or 4	8, 10, 14 or 18
Graphics
Graphics	ATI Radeon HD 5670 (512 MB GDDR3) or ATI Radeon HD 5750 (1 GB GDDR5)	Radeon Pro Vega 56 (8 GB HBM2), Radeon Pro Vega 64 (16 GB HBM2) or Radeon Pro Vega 64X (16 GB HBM2)
Memory
Memory	4 GB, 8 GB or 16 GB	32 GB, 64 GB, 128 GB or 256 GB (better)
Storage
Storage	256 GB to 2 TB	1 TB to 4 TB (better)
CPU
CPU	3.2 GHz dual-core Core i3-550 or optional 3.6 GHz dual-core Core i5-680, both with Hyper-Threading and 4 MB L3 cache; higher model has a 2.8 GHz quad-core Core i5-760 or optional 2.93 GHz quad-core Core i7-870 with Hyper-Threading, both with 8 MB L3 cache. Exact identities cross-checked with EveryMac; optional unpublished boost figures omitted.	Xeon W at 3.2 GHz with 8 cores (Turbo Boost 4.2 GHz), 3.0 GHz with 10 cores (4.5 GHz), 2.5 GHz with 14 cores (4.3 GHz) or 2.3 GHz with 18 cores (4.3 GHz). Exact W-B CPU identities follow Geekbench. The 8/10-core versions launched first; Macworld reports later January 2018 availability for 14/18-core options. Apple changed the standard configuration to 10 cores in August 2020.
GPU
GPU	Dual-core models have ATI Radeon HD 5670 with 512 MB GDDR3; quad-core models have ATI Radeon HD 5750 with 1 GB GDDR5	Radeon Pro Vega 56 with 8 GB HBM2, optionally Vega 64 or Vega 64X with 16 GB HBM2. Vega 64X is a later option included in Apple’s current specification sheet, absent from the launch reviews.
Memory type
Memory type	4 GB standard as two 2 GB modules; four user-accessible SO-DIMM slots support up to 16 GB of 1333 MHz DDR3. UK launch release offers factory upgrades to 8 or 16 GB for both models.	Quad-channel 2666 MHz DDR4 ECC; 32 GB standard, configurable to 64/128/256 GB. The current maker sheet includes the later 256 GB option; launch reviews cover up to 128 GB. No user-accessible memory door.
Storage type
Storage type	1 TB 7200 rpm hard drive standard, configurable to 2 TB. UK launch release explicitly offers a 256 GB SSD as a primary or secondary drive. Separate hard-drive-plus-SSD options are described here rather than labelled Fusion Drive or combined into a single SSD capacity. Slot-loading 8x SuperDrive with double-layer DVD burning.	1 TB SSD, configurable to 2 or 4 TB
Display
Screen size
Screen size	27″	27″
Resolution
Resolution	2560 × 1440	5120 × 2880 (better)
Panel
Panel	IPS LCD	IPS LCD
Brightness
Brightness	375 nits	500 nits (better)
Display type
Display type	Glossy LED-backlit IPS widescreen display, 2560 × 1440 pixels and maker typical brightness 375 cd/m²; refresh rate unpublished and omitted	LED-backlit Retina 5K display; IPS panel confirmed by EveryMac. Native refresh rate omitted because Apple does not publish it in the specification sheet.
Display features
Display features	–	Wide colour (P3); supports one billion colours
Connections
Ports
Ports	DisplayPort, 4 × USB-A, Ethernet, SD card slot, headphone jack	4 × Thunderbolt 3, 4 × USB-A, SD card slot, Ethernet, headphone jack
Ethernet
Ethernet	1 Gb/s	10 Gb/s (better)
External displays
External displays	Up to 1	Up to 4 (better)
Wi-Fi
Wi-Fi	802.11n	802.11ac
Bluetooth
Bluetooth	2.1 + EDR	5.0
Camera
Camera	iSight camera	1080p FaceTime HD
Back ports
Back ports	Mini DisplayPort audio/video input and output, four USB 2.0 ports, FireWire 800 at 7 W, Gigabit Ethernet, SDXC slot, headphone/optical digital output and line-in/optical digital input. FireWire and audio input are described here because the main port list has no fields for them.	Four USB-A ports; four Thunderbolt 3 USB-C ports with DisplayPort 1.2, Thunderbolt up to 40 Gb/s and USB 3.1 Gen 2 up to 10 Gb/s; UHS-II SDXC, Nbase-T Ethernet supporting 1/2.5/5/10Gb and 3.5 mm headphone jack. Thunderbolt 2, HDMI, DVI and VGA require adapters.
External displays
External displays	Full built-in resolution and one external display up to 2560 × 1600 simultaneously; Mini DisplayPort input can display an external DisplayPort source. Extended desktop and mirroring, with optional DVI/VGA/dual-link DVI output adapters.	Two 5120 × 2880 displays at 60 Hz with one billion colours, four 3840 × 2160 displays at 60 Hz with one billion colours, or four 4096 × 2304 displays at 60 Hz with millions of colours, alongside the built-in display
Speakers
Speakers	Built-in stereo speakers with two internal 17 W amplifiers, microphone and support for iPhone headset microphones	Stereo speakers
Microphones
Microphones	–	Four microphones; supports Hey Siri
Keyboard and mouse
Keyboard and mouse	Apple Wireless Keyboard and Magic Mouse; Magic Trackpad available separately	Space grey Magic Keyboard with Numeric Keypad and Magic Mouse 2; optional space grey Magic Trackpad 2
Design and power
Type
Type	All-in-one	All-in-one
Weight
Weight	13.8 kg	9.7 kg (better)
Width × depth × height
Width × depth × height	650 × 207 × 517 mm	650 × 203 × 516 mm
Operating system
Operating system	macOS	macOS
Size and weight detail
Size and weight detail	–	Dimensions include the stand; weight varies by configuration and manufacturing process. Optional VESA mount adapter kit.
Power supply
Power supply	Maximum continuous power 365 W; 100–240 V AC, 50–60 Hz single phase	100–240 V AC, 50–60 Hz, single phase
Materials
Materials	Aluminium and glass enclosure, arsenic-free display glass and mercury-free LED backlight; BFR-free and PVC-free components, with PVC-free AC cord availability limited to named regions	Recyclable aluminium enclosure; arsenic-free glass and mercury-free LED backlight
In the box
In the box	iMac, Apple Wireless Keyboard, Magic Mouse, cleaning cloth, power cord, install/restore DVDs and documentation; Mac OS X Snow Leopard and iLife at launch	iMac Pro, space grey Magic Keyboard with Numeric Keypad, space grey Magic Mouse 2, Lightning to USB cable and power lead