Apple iMac Pro (2017) vs Apple Mac Studio (M4 Max or M3 Ultra)

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iMac Pro (2017) compared with Mac Studio (M4 Max or M3 Ultra)

	AppleiMac Pro (2017)	AppleMac Studio (M4 Max or M3 Ultra)
Overview
Released
Released	December 2017	March 2025
Performance
Processor
Processor	Intel Xeon W-2140B, Intel Xeon W-2150B, Intel Xeon W-2170B or Intel Xeon W-2191B	Apple M4 Max or Apple M3 Ultra
CPU cores
CPU cores	8, 10, 14 or 18	14, 16, 28 or 32
Graphics
Graphics	Radeon Pro Vega 56 (8 GB HBM2), Radeon Pro Vega 64 (16 GB HBM2) or Radeon Pro Vega 64X (16 GB HBM2)	32-core GPU, 40-core GPU, 60-core GPU or 80-core GPU
Memory
Memory	32 GB, 64 GB, 128 GB or 256 GB	36 GB, 96 GB, 128 GB, 256 GB or 512 GB (better)
Storage
Storage	1 TB to 4 TB	512 GB to 16 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.	M4 Max: 14-core CPU with 10 performance cores and 4 efficiency cores, or 16-core CPU; M3 Ultra: 28-core CPU with 20 performance cores and 8 efficiency cores, or 32-core CPU
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.	M4 Max: 32-core or 40-core GPU; M3 Ultra: 60-core or 80-core GPU; hardware-accelerated ray tracing
AI engine
AI engine	–	16-core Neural Engine (M4 Max); 32-core Neural Engine (M3 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.	M4 Max: 36GB; 48GB, 64GB or 128GB with the 16-core CPU / 40-core GPU. M3 Ultra: 96GB or 256GB in the current specification table. Apple announced 512GB at launch and documents a 32-core CPU / 80-core GPU, 512GB, 16TB system in its power test; that historical option is retained separately.
Memory bandwidth
Memory bandwidth	–	M4 Max: 410GB/s with the 32-core GPU, 546GB/s with the 40-core GPU; M3 Ultra: 819GB/s. M4 Max takes 36GB (32-core GPU) or 48GB, 64GB or 128GB (40-core GPU); M3 Ultra takes 96GB or 256GB, and was offered with up to 512GB at launch
Storage type
Storage type	1 TB SSD, configurable to 2 or 4 TB	SSD
Media engine
Media engine	–	Hardware-accelerated H.264, HEVC, ProRes and ProRes RAW; AV1 decode; M4 Max: video decode engine, two video encode engines and two ProRes encode and decode engines; M3 Ultra: two video decode engines, four video encode engines and four ProRes encode and decode 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 5, 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 6E
Bluetooth
Bluetooth	5.0	5.3
Front ports
Front ports	–	M4 Max: 2 × USB-C (up to 10Gb/s); M3 Ultra: 2 × Thunderbolt 5 (up to 120Gb/s); SDXC card slot (UHS-II)
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.	4 × Thunderbolt 5 (USB-C) with Thunderbolt 5 and USB 4 (up to 120Gb/s), USB 3 (up to 10Gb/s) and DisplayPort 2.1; 2 × USB-A (USB 3, up to 5Gb/s); HDMI 2.1 with multichannel audio output; 10Gb Ethernet (RJ-45); 3.5 mm headphone jack with advanced support for high-impedance headphones
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	M4 Max: up to five (four at up to 6K 60Hz over Thunderbolt plus one at 4K 144Hz over HDMI), or three (two at up to 6K 60Hz plus one at up to 8K 60Hz or 4K 240Hz over HDMI); M3 Ultra: up to eight at up to 6K 60Hz or 4K 144Hz, or four at up to 8K 60Hz or 4K 240Hz; VRR, HDR and multichannel audio supported
Speakers
Speakers	Stereo speakers	Built-in speaker
Microphones
Microphones	Four microphones; supports Hey Siri	None built in
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	2.74 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.	–
Power supply
Power supply	100–240 V AC, 50–60 Hz, single phase	Built-in; 100–240V AC; 480W maximum continuous power
Colours
Colours	–	Silver
Materials
Materials	Recyclable aluminium enclosure; arsenic-free glass and mercury-free LED backlight	–
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