Apple iMac Pro (2017) vs Apple Mac Studio (M1 Max / M1 Ultra)

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iMac Pro (2017) compared with Mac Studio (M1 Max / M1 Ultra)

	AppleiMac Pro (2017)	AppleMac Studio (M1 Max / M1 Ultra)
Overview
Released
Released	December 2017	March 2022
Performance
Processor
Processor	Intel Xeon W-2140B, Intel Xeon W-2150B, Intel Xeon W-2170B or Intel Xeon W-2191B	Apple M1 Max or Apple M1 Ultra
CPU cores
CPU cores	8, 10, 14 or 18	10 or 20
Graphics
Graphics	Radeon Pro Vega 56 (8 GB HBM2), Radeon Pro Vega 64 (16 GB HBM2) or Radeon Pro Vega 64X (16 GB HBM2)	24-core GPU, 32-core GPU, 48-core GPU or 64-core GPU
AI engine (NPU)
AI engine (NPU)	–	22 TOPS
Memory
Memory	32 GB, 64 GB, 128 GB or 256 GB (better)	32 GB, 64 GB or 128 GB
Storage
Storage	1 TB to 4 TB	512 GB to 8 TB (better)
CPU
CPU	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.	M1 Max has 10 CPU cores (8 performance, 2 efficiency); M1 Ultra has 20 (16 performance, 4 efficiency)
GPU
GPU	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.	M1 Max has 24 or 32 GPU cores; M1 Ultra has 48 or 64
AI engine
AI engine	–	16-core Neural Engine (M1 Max); 32-core Neural Engine (M1 Ultra)
Memory bandwidth
Memory bandwidth	–	400 GB/s (M1 Max); 800 GB/s (M1 Ultra)
Memory type
Memory type	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 SSD, configurable to 2 or 4 TB	SSD; M1 Max starts at 512 GB, configurable to 1 TB, 2 TB, 4 TB or 8 TB; M1 Ultra starts at 1 TB with 2 TB, 4 TB or 8 TB options
Media engine
Media engine	–	Hardware-accelerated H.264, HEVC, ProRes and ProRes RAW; M1 Max has one video decode, two video encode and two ProRes engines; M1 Ultra has two video decode, four video encode and four ProRes engines
Display
Screen size
Screen size	27″	None built in
Resolution
Resolution	5120 × 2880	–
Panel
Panel	IPS LCD	–
Brightness
Brightness	500 nits	–
Display type
Display type	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	4 × Thunderbolt 3, 4 × USB-A, SD card slot, Ethernet, headphone jack	4 × Thunderbolt 4, 2 × USB-C, 2 × USB-A, HDMI, Ethernet, SD card slot, headphone jack
Ethernet
Ethernet	10 Gb/s	10 Gb/s
External displays
External displays	Up to 4	Up to 5 (better)
Wi-Fi
Wi-Fi	802.11ac	Wi-Fi 6
Bluetooth
Bluetooth	5.0	5.0
Front ports
Front ports	–	Two USB-C ports up to 10 Gb/s (M1 Max) or two Thunderbolt 4 ports up to 40 Gb/s (M1 Ultra); SDXC slot with UHS-II support
Camera
Camera	1080p FaceTime HD	–
Back ports
Back ports	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.	Four Thunderbolt 4 ports with DisplayPort, Thunderbolt 4 and USB 4 up to 40 Gb/s, and USB 3.1 Gen 2 up to 10 Gb/s; two USB-A up to 5 Gb/s; HDMI; 10 Gb Ethernet supporting 1, 2.5, 5 and 10 Gb/s; 3.5 mm jack with high-impedance headphone support
External displays
External displays	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	Four displays at up to 6K 60 Hz over USB-C and one at up to 4K 60 Hz over HDMI, simultaneously
Speakers
Speakers	Stereo speakers	Built-in speaker; HDMI multichannel audio output
Microphones
Microphones	Four microphones; supports Hey Siri	–
Keyboard and mouse
Keyboard and mouse	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	Compact
Weight
Weight	9.7 kg	2.7 kg (better)
Width × depth × height
Width × depth × height	650 × 203 × 516 mm	197 × 197 × 95 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.	Weight is 2.7 kg with M1 Max or 3.6 kg with M1 Ultra; both enclosures are 197 × 197 × 95 mm
Power supply
Power supply	100–240 V AC, 50–60 Hz, single phase	Built-in; 100–240 V AC, 50–60 Hz; maximum continuous power 370 W
Noise
Noise	–	15 dBA sound pressure at idle and during Apple's wireless web test (M1 Ultra, operator position)
Materials
Materials	Recyclable aluminium enclosure; arsenic-free glass and mercury-free LED backlight	80% recycled aluminium enclosure
Colours
Colours	–	Silver
In the box
In the box	iMac Pro, space grey Magic Keyboard with Numeric Keypad, space grey Magic Mouse 2, Lightning to USB cable and power lead	Mac Studio, power lead