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Apple iMac G4 (15-inch, Flat Panel) vs Apple iMac Pro (2017)

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

Better figure, where one is clearly better

AppleiMac G4 (15-inch, Flat Panel)AppleiMac Pro (2017)
Overview
ReleasedJanuary 2002December 2017
Performance
ProcessorMotorola PowerPC G4 700 MHz (iMac Flat Panel) or 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 cores18, 10, 14 or 18
GraphicsNVIDIA 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)
Memory128 MB, 256 MB or 1 GB32 GB, 64 GB, 128 GB or 256 GB
Storage40 GB to 60 GB1 TB to 4 TB
CPU700 or 800 MHz PowerPC G4 with 256 KB on-chip L2 cache and 100 MHz system bus. Generic maker-clock chip records retain the single-core identity cross-checked with exact EveryMac sources; an uncertain silicon revision 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.
GPUNVIDIA 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 typeSDRAM, expandable to 1 GB, with one 168-pin DIMM and one user-accessible SO-DIMM slot. Launch CD-RW base: 128 MB; Combo and SuperDrive bases: 256 MB. Configurations conservatively show those published bases and the maker's maximum.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 typeLaunch combinations: 700 MHz with CD-RW and 40 GB hard drive; 700 MHz with Combo drive and 40 GB; 800 MHz with SuperDrive and 60 GB. Optical options on the 700 MHz model account for its different base memory. Drives use Ultra ATA. Combo reads DVDs and writes CDs; SuperDrive writes DVDs and CDs.1 TB SSD, configurable to 2 or 4 TB
Display
Screen size15″27″
Resolution1024 × 7685120 × 2880
Panel–IPS LCD
Brightness200 nits500 nits
Display typeTFT active-matrix LCD with millions of colours and typical 300:1 contrast. Panel technology and refresh rate are not established by 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 featuresTypical viewing angles: 120° horizontal and 90° vertical. Articulated arm adjusts the display's height and angle.Wide colour (P3); supports one billion colours
Connections
Ports3 × USB-A, Ethernet, headphone jack4 × Thunderbolt 3, 4 × USB-A, SD card slot, Ethernet, headphone jack
Ethernet0.1 Gb/s10 Gb/s
External displays–Up to 4
Wi-Fi–802.11ac
Bluetooth–5.0
Camera–1080p FaceTime HD
Back portsThree 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.90 modem, headphone jack and Apple speaker minijack. Original AirPort 802.11b card is optional; wireless networking is not standard.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 displaysMini-VGA provides video mirroring through an optional VGA adapter: 640 × 480 at 60 Hz, 800 × 600 at 75 Hz or 1024 × 768 at 75 Hz. The original model does not list S-video or composite output.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
SpeakersBuilt-in speaker and microphone; selected configurations include Apple Pro Speakers rated at 9 W each with an internal 18 W amplifier.Stereo speakers
Microphones–Four microphones; supports Hey Siri
Keyboard and mouseApple Pro Keyboard and Apple Pro Mouse; Apple Pro Speakers are included with the Combo and SuperDrive launch configurations.Space grey Magic Keyboard with Numeric Keypad and Magic Mouse 2; optional space grey Magic Trackpad 2
Design and power
TypeAll-in-oneAll-in-one
Weight9.7 kg9.7 kg
Width × depth × height–650 × 203 × 516 mm
Operating systemmacOSmacOS
Size and weight detailAdjustable maker ranges: height 329–509 mm, width 384–415 mm and depth 270–415 mm; base diameter 270 mm. The reference weight varies by configuration and manufacturing process, so no single fixed-position dimension is selected.Dimensions include the stand; weight varies by configuration and manufacturing process. Optional VESA mount adapter kit.
Power supply90–264 V AC, 47–63 Hz, single phase; maximum continuous power 130 W.100–240 V AC, 50–60 Hz, single phase
Materials–Recyclable aluminium enclosure; arsenic-free glass and mercury-free LED backlight
In the boxLaunch software: Mac OS X 10.1.2 and Mac OS 9.2.2, with iTunes, iMovie and iPhoto; iDVD requires SuperDrive. The 800 MHz SuperDrive configuration was stated to ship in late January 2002, the 700 MHz Combo in February and CD-RW in March. The release month records the first configuration, not the 7 January announcement.iMac Pro, space grey Magic Keyboard with Numeric Keypad, space grey Magic Mouse 2, Lightning to USB cable and power lead

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