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Apple iMac G4 (15-inch, Flat Panel) vs Apple iMac (Retina 5K, 27-inch, 2019)

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 (Retina 5K, 27-inch, 2019)
Overview
ReleasedJanuary 2002March 2019
Performance
ProcessorMotorola PowerPC G4 700 MHz (iMac Flat Panel) or Motorola PowerPC G4 800 MHz (iMac Flat Panel)Intel Core i5-8500, Intel Core i5-8600, Intel Core i9-9900K or Intel Core i5-9600K
CPU cores16 or 8
CPU threads–6 or 16
GraphicsNVIDIA GeForce2 MX (32 MB)Radeon Pro 570X (4 GB GDDR5), Radeon Pro 575X (4 GB GDDR5), Radeon Pro 580X (8 GB GDDR5) or Radeon Pro Vega 48 (8 GB HBM2)
Memory128 MB, 256 MB or 1 GB8 GB, 16 GB, 32 GB or 64 GB
Storage40 GB to 60 GB256 GB to 3 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.Six-core Core i5 at 3.0 GHz (Turbo Boost 4.1 GHz), 3.1 GHz (Turbo Boost 4.3 GHz) or 3.7 GHz (Turbo Boost 4.6 GHz); upper two bases configurable to 3.6 GHz eight-core Core i9 with Turbo Boost up to 5.0 GHz. Exact K-suffix CPU identities follow Geekbench’s model database; Macworld instead lists KF suffixes.
GPUNVIDIA GeForce2 MX with 32 MB dedicated DDR video memory and AGP 2x support.Radeon Pro 570X or 575X with 4 GB GDDR5, or Radeon Pro 580X with 8 GB GDDR5; only the upper base supports Radeon Pro Vega 48 with 8 GB HBM2
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.2666 MHz DDR4; 8 GB standard as two 4 GB modules in four user-accessible SO-DIMM slots. Lower base configurable to 16/32 GB; upper two bases to 16/32/64 GB.
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.570X base: 1/2 TB Fusion Drive or 256/512 GB/1 TB SSD. 575X base: 1/2/3 TB Fusion Drive or 256/512 GB/1 TB SSD. 580X/Vega base: 2/3 TB Fusion Drive or 512 GB/1/2 TB SSD.
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; Apple does not publish native refresh rate in this model’s 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 jack2 × Thunderbolt 3, 4 × USB-A, SD card slot, Ethernet, headphone jack
Ethernet0.1 Gb/s1 Gb/s
External displays–Up to 2
Wi-Fi–802.11ac
Bluetooth–4.2
Camera–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; two Thunderbolt 3 USB-C ports with DisplayPort, Thunderbolt up to 40 Gb/s and USB 3.1 Gen 2 up to 10 Gb/s; SDXC, Gigabit Ethernet and 3.5 mm headphone jack; Kensington lock slot. Thunderbolt 2, HDMI, DVI and VGA require separately sold 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.Built-in display at full native resolution alongside one 5120 × 2880 display at 60 Hz with one billion colours, two 3840 × 2160 displays at 60 Hz with one billion colours, or two 4096 × 2304 displays at 60 Hz with millions of colours
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–Built-in microphone
Keyboard and mouseApple Pro Keyboard and Apple Pro Mouse; Apple Pro Speakers are included with the Combo and SuperDrive launch configurations.Rechargeable Magic Keyboard and Magic Mouse 2; optional Magic Keyboard with Numeric Keypad and Magic Trackpad 2
Design and power
TypeAll-in-oneAll-in-one
Weight9.7 kg9.42 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. A built-in VESA mount version was also available.
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, Magic Keyboard, Magic Mouse 2, power lead and Lightning to USB cable

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