Apple iMac (17-inch, Late 2006) vs Apple iMac (Retina 5K, 27-inch, 2020)

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

Better figure, where one is clearly better

iMac (17-inch, Late 2006) compared with iMac (Retina 5K, 27-inch, 2020)
AppleiMac (17-inch, Late 2006)AppleiMac (Retina 5K, 27-inch, 2020)
Overview
ReleasedSeptember 2006August 2020
Performance
ProcessorIntel Core 2 Duo T5600, Intel Core 2 Duo T7200 or Intel Core 2 Duo T7400Intel Core i5-10500, Intel Core i5-10600, Intel Core i9-10910 or Intel Core i7-10700K
CPU cores26, 8 or 10
CPU threads–12, 16 or 20
GraphicsIntel GMA 950 (64 MB shared DDR2) or ATI Radeon X1600 (128 MB GDDR3)Radeon Pro 5300 (4 GB GDDR6), Radeon Pro 5500 XT (8 GB GDDR6), Radeon Pro 5700 (8 GB GDDR6) or Radeon Pro 5700 XT (16 GB GDDR6)
Memory512 MB, 1 GB, 2 GB or 3 GB8 GB, 16 GB, 32 GB, 64 GB or 128 GB (better)
Storage160 GB to 500 GB256 GB to 8 TB (better)
CPU1.83 GHz Core 2 Duo T5600 with 2 MB shared L2 cache; higher configuration has 2.0 GHz T7200 or optional 2.16 GHz T7400 with 4 MB shared L2 cache. All use a 667 MHz system bus; exact identities cross-checked with EveryMac.Six-core Core i5 at 3.1 GHz (Turbo Boost 4.5 GHz) or 3.3 GHz (4.8 GHz), or eight-core Core i7 at 3.8 GHz (5.0 GHz). Upper two bases configurable to 3.6 GHz ten-core Core i9 (5.0 GHz). Exact CPU identities follow Geekbench. Apple specifies a 5.0 GHz Core i7 limit in this iMac, while Intel lists 5.1 GHz for the chip itself.
GPUIntel GMA 950 with 64 MB DDR2 shared system memory on the 1.83 GHz configuration; ATI Radeon X1600 with 128 MB GDDR3 on the 2.0 and 2.16 GHz configurationsRadeon Pro 5300 with 4 GB GDDR6 on the two Core i5 bases. Upper base has Radeon Pro 5500 XT with 8 GB GDDR6, optionally Radeon Pro 5700 with 8 GB or 5700 XT with 16 GB GDDR6.
Memory typeTwo SO-DIMM slots for PC2-5300 (667 MHz) DDR2 SDRAM. Entry configuration has two 256 MB modules, configurable to 1 or 2 GB; higher configurations have two 512 MB modules, configurable to 2 or 3 GB.2666 MHz DDR4; 8 GB standard as two 4 GB modules. Four user-accessible SO-DIMM slots; configurable to 16/32/64/128 GB on every base.
Storage type160 GB 7200 rpm Serial ATA hard drive; higher configurations can have 250 or 500 GB. Entry configuration has a 24x Combo drive for DVD reading and CD writing; higher configurations have an 8x SuperDrive with 2.4x double-layer DVD burning.Lower base: fixed 256 GB SSD. Middle base: 512 GB/1/2 TB SSD. Upper base: 512 GB/1/2/4/8 TB SSD.
Display
Screen size17″27″
Resolution1440 × 9005120 × 2880 (better)
Panel–IPS LCD
Brightness250 nits500 nits (better)
Display typeWidescreen TFT active-matrix LCD, millions of colours; typical contrast 500:1, viewing angles 140° horizontal and 120° vertical. Panel technology and refresh rate unpublished.LED-backlit Retina 5K display; IPS panel confirmed by EveryMac. Apple does not publish native refresh rate in the specification sheet.
Display features–Wide colour (P3), one billion colours and True Tone; standard glass or optional nano-texture glass
Connections
Ports3 × USB-A, Ethernet, headphone jack2 × Thunderbolt 3, 4 × USB-A, SD card slot, Ethernet, headphone jack
Ethernet1 Gb/s1 Gb/s
External displaysUp to 1Up to 2 (better)
Wi-Fi802.11g; 54 Mbps AirPort Extreme802.11ac
Bluetooth–5.0
CameraiSight camera1080p FaceTime HD
Back portsThree USB 2.0 ports on the computer and two USB 1.1 ports on its keyboard; two FireWire 400 ports sharing 8 W, mini-DVI, Gigabit Ethernet, headphone/optical digital output and line-in/optical digital input. Bluetooth 2.0 + EDR is standard on higher configurations; not standard on the entry configuration, but listed as an order option in Apple's UK announcement.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; UHS-II SDXC, Gigabit Ethernet and 3.5 mm headphone jack; Kensington lock slot. Optional 10Gb Ethernet supports 1/2.5/5/10Gb connections. Thunderbolt 2, HDMI, DVI and VGA require adapters.
External displaysOne external display in extended desktop or mirroring mode; digital resolutions up to 1920 × 1200 and analogue up to 2048 × 1536. DVI, VGA, S-video and composite adapters sold separately.One 6K or 5K external display, or two 4K displays; two 6K displays require Radeon Pro 5700 or 5700 XT. All listed external modes run at 60 Hz.
SpeakersBuilt-in stereo speakers with internal 12 W digital amplifier and built-in microphoneStereo speakers
Microphones–Three-mic array with directional beamforming; supports Hey Siri
Keyboard and mouseApple Keyboard and Mighty Mouse; Apple Remote included with higher configurations and optional on the entry model; optional wireless keyboard and mouse for higher configurationsRechargeable Magic Keyboard and Magic Mouse 2; optional numeric keyboard and Magic Trackpad
Design and power
TypeAll-in-oneAll-in-one
Weight–8.92 kg
Width × depth × height426 × 173 × 430 mm650 × 203 × 516 mm
Operating systemmacOSmacOS
Size and weight detailMaker weight 15.5 pounds (7 kg), varying by configuration and manufacturing process; shared scalar weight omittedDimensions include the stand; weight varies by configuration and manufacturing process. A built-in VESA mount version was also available.
Power supplyMaximum continuous power 180 W; 100–240 V AC, 50–60 Hz single phase100–240 V AC, 50–60 Hz, single phase
Materials–Recyclable, low-carbon aluminium enclosure; arsenic-free glass and mercury-free LED backlight
In the boxiMac, Apple Keyboard, Mighty Mouse, power cord, install/restore DVDs and documentation; Apple Remote except on the entry configuration. Mac OS X 10.4 Tiger, iLife '06, Front Row, Photo Booth, Microsoft Office 2004 Test Drive and iWork trial.iMac, Magic Keyboard, Magic Mouse 2, power lead, Lightning to USB cable and polishing cloth

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