Apple iMac G4 (15-inch, Early 2003) vs Apple iMac Pro (2017)

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iMac G4 (15-inch, Early 2003) compared with iMac Pro (2017)

	AppleiMac G4 (15-inch, Early 2003)	AppleiMac Pro (2017)
Overview
Released
Released	February 2003	December 2017
Performance
Processor
Processor	Motorola PowerPC G4 800 MHz (iMac Flat Panel)	Intel Xeon W-2140B, Intel Xeon W-2150B, Intel Xeon W-2170B or Intel Xeon W-2191B
CPU cores
CPU cores	1	8, 10, 14 or 18
Graphics
Graphics	NVIDIA GeForce2 MX (32 MB)	Radeon Pro Vega 56 (8 GB HBM2), Radeon Pro Vega 64 (16 GB HBM2) or Radeon Pro Vega 64X (16 GB HBM2)
Memory
Memory	256 MB, 512 MB or 1 GB	32 GB, 64 GB, 128 GB or 256 GB (better)
Storage
Storage	60 GB	1 TB to 4 TB (better)
CPU
CPU	800 MHz PowerPC G4, 100 MHz system bus and 256 KB on-chip L2 cache. Single-core maker-clock record is reused only for the same published clock and G4 family; uncertain silicon identity is not inferred.	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	NVIDIA GeForce2 MX with 32 MB dedicated DDR video memory and AGP 2x support.	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	256 MB SDRAM standard; factory options 512 MB or 1 GB. One 168-pin DIMM and one user-accessible SO-DIMM slot. Apple supports up to 1 GB.	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	60 GB 7200 rpm Ultra ATA/66 hard drive and 32x Combo DVD-ROM/CD-RW. Combo reads DVDs at 8x, writes CD-R at 32x and CD-RW at 10x. No unsupported storage option is paired with this processor.	1 TB SSD, configurable to 2 or 4 TB
Display
Screen size
Screen size	15″	27″
Resolution
Resolution	1024 × 768	5120 × 2880 (better)
Panel
Panel	–	IPS LCD
Brightness
Brightness	200 nits	500 nits (better)
Display type
Display type	TFT active-matrix LCD with millions of colours and typical 300:1 contrast; panel technology and refresh rate unpublished in the exact maker sheet.	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	Typical viewing angles: 120° horizontal and 90° vertical. Articulated display arm adjusts height and angle.	Wide colour (P3); supports one billion colours
Connections
Ports
Ports	3 × USB-A, Ethernet, headphone jack	4 × Thunderbolt 3, 4 × USB-A, SD card slot, Ethernet, headphone jack
Ethernet
Ethernet	0.1 Gb/s	10 Gb/s (better)
External displays
External displays	–	Up to 4
Wi-Fi
Wi-Fi	–	802.11ac
Bluetooth
Bluetooth	–	5.0
Camera
Camera	–	1080p FaceTime HD
Back ports
Back ports	Three USB 1.1 ports on the computer, plus two on the keyboard; two FireWire 400 ports with 8 W shared power, Mini-VGA, 10/100BASE-T Ethernet, 56K V.92 modem, headphone jack and Apple speaker minijack. The 15-inch model has no audio line-in. Optional AirPort 802.11b card; Bluetooth requires a separate USB adapter, unlike the 17-inch internal option.	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	Mini-VGA video mirroring through an optional adapter: 640 × 480 at 60 Hz, 800 × 600 at 75 Hz or 1024 × 768 at 75 Hz. S-video and composite output are absent on the 15-inch model.	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 speaker and microphone; Apple Pro Speakers rated at 9 W each and internal 18 W amplifier.	Stereo speakers
Microphones
Microphones	–	Four microphones; supports Hey Siri
Keyboard and mouse
Keyboard and mouse	Apple Keyboard, Apple Mouse, Apple Pro Speakers and modem cable.	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	9.7 kg	9.7 kg
Width × depth × height
Width × depth × height	–	650 × 203 × 516 mm
Operating system
Operating system	macOS	macOS
Size and weight detail
Size and weight detail	Adjustable maker ranges: height 329–509 mm, width 384–415 mm and depth 270–415 mm; base diameter 270 mm. Reference weight varies by configuration and manufacturing process.	Dimensions include the stand; weight varies by configuration and manufacturing process. Optional VESA mount adapter kit.
Power supply
Power supply	90–264 V AC, 47–63 Hz, single phase; maximum continuous power 130 W.	100–240 V AC, 50–60 Hz, single phase
Materials
Materials	–	Recyclable aluminium enclosure; arsenic-free glass and mercury-free LED backlight
In the box
In the box	Mac OS X 10.2 Jaguar and iLife, with AppleWorks and other bundled applications. Classic environment supports older applications; the exact EveryMac model source confirms it cannot boot Mac OS 9, unlike the original 2002 revision. Maker launch confirms immediate availability on 4 February 2003.	iMac Pro, space grey Magic Keyboard with Numeric Keypad, space grey Magic Mouse 2, Lightning to USB cable and power lead