Apple iMac (17-inch, Mid 2006) vs Apple iMac (Retina 4K, 21.5-inch, 2019)

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iMac (17-inch, Mid 2006) compared with iMac (Retina 4K, 21.5-inch, 2019)

	AppleiMac (17-inch, Mid 2006)	AppleiMac (Retina 4K, 21.5-inch, 2019)
Overview
Released
Released	July 2006	March 2019
Performance
Processor
Processor	Intel Core Duo T2400	Intel Core i3-8100, Intel Core i7-8700 or Intel Core i5-8500
CPU cores
CPU cores	2	4 or 6
CPU threads
CPU threads	–	4, 6 or 12
Graphics
Graphics	Intel GMA950	Radeon Pro 555X (2 GB GDDR5), Radeon Pro 560X (4 GB GDDR5) or Radeon Pro Vega 20 (4 GB HBM2)
Memory
Memory	512 MB, 1 GB or 2 GB	8 GB, 16 GB or 32 GB (better)
Storage
Storage	80 GB to 160 GB	256 GB to 1 TB (better)
CPU
CPU	1.83 GHz Intel Core Duo; exact T2400 identity cross-checked with EveryMac. Existing chip record is reused; no sibling processor figures are borrowed.	3.6 GHz quad-core Core i3 without Turbo Boost, or 3.0 GHz six-core Core i5 with Turbo Boost up to 4.1 GHz; both configurable to 3.2 GHz six-core Core i7 with Turbo Boost up to 4.6 GHz
GPU
GPU	Intel GMA950 integrated graphics, sharing system memory.	Radeon Pro 555X with 2 GB GDDR5 in the lower base; Radeon Pro 560X with 4 GB GDDR5 in the upper base, configurable to Radeon Pro Vega 20 with 4 GB HBM2
Memory type
Memory type	667 MHz DDR2; 512 MB standard, configurable to 1 or 2 GB. The exact maker manual specifies matched pairs of 512 MB or 1 GB modules for the upgrades.	8 GB standard, configurable to 16/32 GB; lower base uses 2400 MHz DDR4 and upper base 2666 MHz DDR4. Memory is not readily user-accessible.
Storage type
Storage type	80 GB 7200 rpm Serial ATA hard drive, configurable to 160 GB; 24x Combo drive reads DVDs and reads/writes CDs, rather than burning DVDs.	The current Apple sheet lists 256 GB SSD or 1 TB Fusion Drive for both bases, and these are the configurations shown. Apple made SSD storage standard in August 2020. Launch reviews describe a 1 TB hard drive in the lower base and 1 TB Fusion Drive in the upper base, with larger SSD options (Macworld and TechRadar); these historical options are not flattened into the current matrix.
Display
Screen size
Screen size	17″	21.5″
Resolution
Resolution	1440 × 900	4096 × 2304 (better)
Panel
Panel	–	IPS LCD
Brightness
Brightness	250 nits	500 nits (better)
Display type
Display type	EveryMac specifies 1440 × 900 pixels, typical brightness 250 cd/m², contrast 500:1 and viewing angles of 140 degrees horizontal/120 degrees vertical. Exact model panel technology and refresh rate remain unpublished.	LED-backlit Retina 4K display; IPS panel confirmed by EveryMac; Apple does not publish native refresh rate in this model’s specification sheet
Display features
Display features	–	Wide colour (P3); supports one billion colours
Connections
Ports
Ports	3 × USB-A, Ethernet, headphone jack	2 × Thunderbolt 3, 4 × USB-A, SD card slot, Ethernet, headphone jack
Ethernet
Ethernet	1 Gb/s	1 Gb/s
External displays
External displays	–	Up to 2
Wi-Fi
Wi-Fi	802.11g	802.11ac
Bluetooth
Bluetooth	–	4.2
Camera
Camera	iSight camera	FaceTime HD
Back ports
Back ports	Three USB 2.0 ports on the computer, plus two on the keyboard; two FireWire 400 ports, Mini-DVI video output, Gigabit Ethernet and audio input/output. External-display resolution is omitted because the secondary figure explicitly refers to a different later model.	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 displays
External displays	–	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
Speakers
Speakers	Built-in stereo speakers and microphone.	Stereo speakers
Microphones
Microphones	–	Built-in microphone
Keyboard and mouse
Keyboard and mouse	Apple Keyboard and Mighty Mouse; Apple Remote is optional. Macworld confirms Bluetooth is not included.	Rechargeable Magic Keyboard and Magic Mouse 2; optional Magic Keyboard with Numeric Keypad and Magic Trackpad 2
Design and power
Type
Type	All-in-one	All-in-one
Weight
Weight	–	5.48 kg
Width × depth × height
Width × depth × height	–	528 × 175 × 450 mm
Operating system
Operating system	macOS	macOS
Size and weight detail
Size and weight detail	–	Dimensions include the stand; current Apple sheet lists 5.48 kg and warns that weight varies by configuration. Launch reviews tested heavier hard-drive/Fusion configurations. A built-in VESA mount version was also available.
Power supply
Power supply	–	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	Institution-only education configuration; Mac OS X Tiger 10.4.6 and iLife ’06. Later secondary OS version 10.4.7 does not replace the maker launch wording.	iMac, Magic Keyboard, Magic Mouse 2, power lead and Lightning to USB cable