Apple iMac "Core i5" 3.7 27" (5K, 2019) Specs

Identifiers: Retina 5K, 27-Inch, 2019 - MRR12LL/A - iMac19,1 - A2115 - 3194

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The iMac "Core i5" 3.7 27-Inch Aluminum (Retina 5K, 2019/Coffee Lake) features a "9th Generation" 14-nm "Coffee Lake" 3.7 GHz Intel "Core i5" processor (I5-9600K) with six independent processor "cores" on a single chip, a shared 9 MB level 3 cache, 8 GB of easy to upgrade 2666 MHz DDR4 SDRAM, a 2 TB Fusion Drive, and a Radeon Pro 580X graphics processor with 8 GB of dedicated GDDR5 video memory. It also has a built-in "FaceTime HD" webcam and stereo speakers.

This model has a 27" 5120x2880 LED-backlit 16:9 widescreen IPS DCI-P3 "Retina 5K" display. The rear of the case is aluminum and is thicker in the middle and tapers to a razor thin 5 mm at the edges.

Connectivity includes four USB 3.0 ports, dual Thunderbolt 3 (USB-C) ports, Gigabit Ethernet, 802.11ac Wi-Fi, and Bluetooth 4.2. It does not have a T2 chip.

Compared to its predecessor, this model is very similar externally and internally, but it has a more advanced processor and architecture as well as graphics processor.

By default, the "2019" iMac models shipped with a compact aluminum Apple Magic Keyboard and the multi-touch "Magic Mouse 2". For an additional US$30, you could upgrade from the default keyboard to the "Magic Keyboard with Numeric Keypad" and for an additional US$50, you also could upgrade from the Magic Mouse 2 to the "Magic Trackpad 2," which provides multi-touch and pressure-sensitive "Force Touch" capabilities.

Also see:

• What are all the differences between the "2019" Aluminum iMac models? (In-Depth)
• What are all of the differences between the "2019" Aluminum iMac models and their "Mid-2017" predecessors? (In-Depth)
• What are the "pros and cons" of the "Early 2019" and other "Tapered Edge" iMac models? Is one right for me? (Quick Read)

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• Tech Specs
• Ports
• Global Original Prices
• Popular Q&As

Tech Specs

Click on a category for related details. The most commonly needed info is "open" by default, but all info is important. Asterisks (*) reference data in details fields.

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Introduction Date:

March 19, 2019

Discontinued Date:

August 4, 2020

Details:

The "Introduction Date" refers to the date a model was introduced via press release. The "Discontinued Date" refers to the date a model either was replaced by a subsequent system or production otherwise ended. Also see: All Macs introduced in 2019.

Processors:

1 (6 Cores)

Architecture:

64-Bit

Details:

Also see: All models with a 64-Bit processor courtesy of EveryMac.com's Ultimate Mac Sort.

Geekbench 2 (32):

16439

Geekbench 2 (64):

18560

Details:

Geekbench 2 benchmarks are in 32-bit and 64-bit modes, respectively. These numbers reflect an average of user provided 32-bit and 64-bit results as submitted to the Geekbench website. Higher numbers are better. You also might be interested in reviewing all 32-bit and 64-bit Geekbench 2 user submissions for Macs with the iMac19,1 Model Identifier, which may include multiple models. To dynamically compare Geekbench 2 results from different Macs side-by-side, see EveryMac.com's Ultimate Mac Comparison.

Geekbench 3 (32):

4213

Geekbench 3 (32):

19973

Details:

These Geekbench 3 benchmarks are in 32-bit mode and are for a single processor core and all processor cores, respectively. Both numbers reflect an average of user provided results as submitted to the Geekbench website. Higher numbers are better. You also might be interested in reviewing all 32-bit single core and multicore Geekbench 3 user submissions for Macs with the iMac19,1 Model Identifier, which may include multiple models. To dynamically compare 32-bit Geekbench 3 results from different Macs side-by-side, see EveryMac.com's Ultimate Mac Comparison.

Geekbench 3 (64):

4734

Geekbench 3 (64):

22543

Details:

These Geekbench 3 benchmarks are in 64-bit mode and are for a single processor core and all processor cores, respectively. Both numbers reflect an average of user provided results as submitted to the Geekbench website. Higher numbers are better. You also might be interested in reviewing all 64-bit single core and multicore Geekbench 3 user submissions for Macs with the iMac19,1 Model Identifier, which may include multiple models. To dynamically compare 64-bit Geekbench 3 results from different Macs side-by-side, see EveryMac.com's Ultimate Mac Comparison.

Geekbench 4 (SC):

5775

Geekbench 4 (MC):

22664

Details:

These Geekbench 4 benchmarks are are for a single processor core and all processor cores, respectively. All Geekbench 4 benchmarks are 64-bit. Both numbers reflect an average of user provided results as submitted to the Geekbench website. Higher numbers are better. You also might be interested in reviewing all single core and multicore Geekbench 4 user submissions for Macs with the iMac19,1 Model Identifier, which may include multiple models. To dynamically compare Geekbench 4 results from different Macs side-by-side, see EveryMac.com's Ultimate Mac Comparison.

Geekbench 5 (SC):

1131

Geekbench 5 (MC):

5410

Details:

These Geekbench 5 benchmarks are are for a single processor core and all processor cores, respectively. All Geekbench 5 benchmarks for the Mac are 64-bit. Both numbers reflect an average of user provided results as submitted to the Geekbench website. Higher numbers are better. You also might be interested in reviewing all single core and multicore Geekbench 5 user submissions for Macs with the iMac19,1 Model Identifier, which may include multiple models. To dynamically compare Geekbench 5 results from different Macs side-by-side, see EveryMac.com's Ultimate Mac Comparison.

Processor Speed:

3.7 GHz

Processor Type:

Core i5 (I5-9600K)

Details:

This model is powered by a 14 nm, 64-bit "9th Generation" Intel Core i5 "Coffee Lake" (I5-9600K) processor which includes six independent processor "cores" on a single silicon chip. Each core has a dedicated 256k level 2 cache, shares a 9 MB level 3 cache, and has an integrated memory controller (dual channel). It supports Turbo Boost up to 4.6 GHz, but it does not support Hyper Threading. This model does not have a T2 security chip, either. Also see: How fast are the "2019" iMac models compared to one another? How fast are they compared to the "Mid-2017" models that preceded them and the iMac Pro?

Turbo Boost:

4.6 GHz

Custom Speeds:

3.6 GHz (i9)

Details:

This model additionally can be configured with a 3.6 GHz Eight Core "Core i9" processor (I9-9900K) for an extra US$400. It has a 16 MB level 3 cache, Turbo Boost up to 5.0 GHz, and supports Hyper Threading. As requested by readers, EveryMac.com also has documented this custom configuration as its own model.

Processor Upgrade:

LGA 1151*

FPU:

Integrated

Details:

Intel reports that by default this processor is mounted on an LGA 1151 socket, and based on a teardown by site sponsor OWC, the processor does not appear to be soldered in place in this model.

System Bus Speed:

8 GT/s*

Cache Bus Speed:

3.7 GHz (Built-in)

Details:

*This system has a "Direct Media Interface" -- specifically DMI3 -- that "connects between the processor and chipset" in lieu of a traditional system bus. Intel reports that it runs at 8 GT/s.

ROM/Firmware Type:

EFI

EFI Architecture:

64-Bit

Details:

N/A

L1 Cache:

32k/32k x6

L2/L3 Cache:

256k x6, 9 MB

Details:

Each core has its own dedicated 256k level 2 cache and the system has a shared 9 MB level 3 cache.

RAM Type:

PC4-21300 DDR4

Min. RAM Speed:

2666 MHz

Details:

Supports 2666 MHz PC4-21300 DDR4 SDRAM SO-DIMMs (260-pin). Also see: How do you upgrade the RAM in the "2019" Tapered Edge Aluminum iMac models? Is it even possible? What type of RAM do they use? How much RAM does each model actually support?

Standard RAM:

8 GB

Maximum RAM:

128 GB*

Details:

*By default, 8 GB of RAM is installed as two 4 GB memory modules (and two slots are unoccupied). At the time of purchase, Apple offered custom configurations of 16 GB, 32 GB, and 64 GB of memory for an extra US$200, US$600, and US$1000, respectively. As first determined by site sponsor OWC, it actually can support up to 128 GB of RAM with four 32 GB memory modules. In the US (and many other countries), site sponsor Other World Computing sells memory -- as well as other upgrades -- for this iMac. In the UK, site sponsor Flexx sells memory and other upgrades for this iMac. In Germany, site sponsor CompuRAM sells memory and other upgrades for this iMac. In Australia, site sponsor Upgradeable sells memory and other upgrades for this iMac. Also see: Actual Max RAM of All G3 & Later Macs.

Motherboard RAM:

None*

RAM Slots:

4

Details:

This system has four easy-to-access RAM slots and the RAM can be upgraded after purchase.

Video Card:

Radeon Pro 580X*

VRAM Type:

Dedicated

Details:

*This model has an AMD Radeon Pro 580X graphics processor with 8 GB of dedicated GDDR5 video memory. At the time of initial system purchase, it alternately can be configured with an AMD Radeon Pro Vega 48 graphics processor with 8 GB of dedicated HBM2 video memory for an extra US$450. Which "Tapered Edge" iMac have video processors with dedicated memory? Which have integrated memory?

Standard VRAM:

8 GB*

Maximum VRAM:

8 GB*

Details:

*The AMD Radeon Pro 580X graphics processor has 8 GB of dedicated GDDR5 video memory. If custom configured with the AMD Radeon Vega 48 video processor, it has 8 GB of dedicated HBM2 video memory.

Built-in Display:

27" 16:9 Widescreen

Native Resolution:

5120x2880

Details:

This model has a 27" LED-backlit 16:9 widescreen TFT active matrix "Retina 5K" display with IPS technology, a native resolution of 5120x2880, a "wide color" DCI-P3 gamut, and brightness of 500 nits. In the UK, site sponsor ALB Repair offers component-level logic board repair, display repair, and other repair services for this iMac. No fix, no fee! In Spain, site sponsor iRepairs provides affordable repair and data recovery services. In-person and by mail repair services include the display, graphics card, motherboard, power supply, and more for this iMac. In Hong Kong, site sponsor iCertified provides well-reviewed repair services for the display, logic board, water damage, and more, all with a 180-day warranty; free diagnostics and estimates; and optional pickup and delivery for this iMac.

2nd Display Support:

Dual/Mirroring*

2nd Max. Resolution:

3840x2160 x2

Details:

*This model can simultaneously support the internal display at full native resolution and up to one 5120x2880 (5K) external display at 60 Hz with support for one billion colors; two 3840x2160 (4K UHD) external displays at 60 Hz with support for one billion colors; or two 4096x2304 (4K) external displays at 60 Hz with support for millions of colors. It supports both extended desktop (second workspace) and video mirroring (internal display duplicated on the external display) modes.

Standard Storage:

2 TB (Fusion)

Std. Storage Speed:

N/A

Details:

This model has a 2 TB "Fusion" Drive, which combines a 128 GB SSD and a 2 TB hard drive. It has a Serial ATA (6 Gb/s) connector for a 3.5" hard drive and a PCIe connector for the SSD. At the time of purchase, Apple also offered a 3 TB Fusion Drive for an extra US$100 or a 512 GB, 1 TB, or 2 TB SSD for an extra US$100, US$500, or US$1100, respectively (1 TB and 2 TB SSD upgrade prices cut to US$300 and US$700, respectively, on July 9, 2019).. Also see: How do you upgrade the hard drive in the "Tapered Edge" Aluminum iMac models? What type of storage do they support? Is it even possible to upgrade these models? In the US (and many other countries), site sponsor Other World Computing sells storage upgrades for this iMac. In the UK, site sponsor Flexx sells storage upgrades for this iMac. In Australia, site sponsor Upgradeable sells storage upgrades for this iMac. Also see: SSD Compatibility Guide for All G3 & Later Macs.

Storage Dimensions:

3.5" (7 mm)*

Storage Interface:

Serial ATA (6 Gb/s)*

Details:

*This model has a SATA III (6 Gb/s) connector for a 3.5" hard drive or SSD as well as a PCIe connector for the blade SSD.

Standard Optical:

None*

Standard Disk:

None

Details:

*This iMac does not have an internal optical drive. Site sponsor Adorama offers the external Apple USB SuperDrive for US$79. It writes DVD+R DL and DVD-R DL at 4X, DVD-R and DVD+R at 8X, DVD-RW at 6X, DVD+RW at 8X, reads DVD at 8X, writes CD-R at 24X, writes CD-RW at 16X, and reads CD at 24X. Site sponsor Other World Computing also has a variety of compact external optical drive options that may be of interest, including some with Blu-ray capability. Also see: What are the full capabilities of the external SuperDrive? Can it be used with other Macs?

Standard Modem:

None

Standard Ethernet:

10/100/1000Base-T

Details:

N/A

Standard AirPort:

802.11ac*

Standard Bluetooth:

4.2

Details:

*802.11ac Wi-Fi (802.11a/b/g/n backwards compatible) and Bluetooth 4.2 standard.

USB Ports:

4 (3.0)

Firewire Ports:

None

Details:

Four USB 3.0 ports.

Expansion Slots:

SDXC SD Card

Expansion Bays:

None

Details:

In the US (and many other countries), site sponsor Other World Computing sells a wide variety of external expansion options and hand-picked accessories like external storage, stands, keyboards, cables, adapters, speakers, and more for this iMac.

Incl. Keyboard:

Magic Keyboard*

Incl. Input:

Magic Mouse 2*

Details:

*By default, this model shipped with a small aluminum wireless compact keyboard (without a numeric keypad) and a wireless "Magic Mouse 2" with multi-touch surface support. For an extra US$30, you could substitute the stock keyboard for a "Magic Keyboard with Numeric Keypad" and for an extra US$50 you could substitute the Magic Mouse 2 for a Magic Trackpad 2 (which provides multi-touch input and Force Touch support). If you really like input devices, you could equip this iMac with both a Magic Mouse 2 and a Magic Trackpad 2 for an additional US$129.

Case Type:

All-in-One

Form Factor:

27" iMac Tapered Edge

Details:

The 27-Inch "Early 2019" Aluminum iMac model uses a case design that is effectively identical to the earlier "Tapered Edge" iMac models, but the internals are different. Each of these lines have a glass front laminated directly to the LCD and an aluminum back that is thicker in the middle and tapers to a razor thin 5 mm edge. The entire system sits upon an aluminum "foot" that is 8 inches (20.3 cm) deep.

Apple Order No:

MRR12LL/A

Apple Subfamily:

Retina 5K, 27-Inch, 2019

Details:

The Apple order number should be unique to this system.

Apple Model No:

A2115 (EMC 3194)

Model ID:

iMac19,1

Details:

Please note that these identifiers refer to more than one model. Also see: All Macs with the A2115 Model Number, the 3194 EMC Number, and the iMac19,1 Model Identifier. For more about these identifiers and how to locate them on each Mac, please refer to EveryMac.com's Mac Identification section.

Battery Type:

N/A

Battery Life:

N/A

Details:

N/A

Pre-Installed MacOS:

X 10.14.4 (18E2034)

Maximum MacOS:

Current*

Details:

This model is fully compatible with the final version of macOS Mojave (10.14); macOS Catalina (10.15) including support for 4K, 4K HDR, 4K Dolby Vision, Dolby Atmos, and HDR10 content; and macOS Big Sur (macOS 11), as well. It additionally supports the final version of macOS Monterey (macOS 12), but it does not support the minor Spatial Audio, Portrait Mode, 3D Landmarks, and Interactive Globe features. This model also is fully compatible with macOS Ventura (macOS 13) with the exception of the minor Live Captions in FaceTime, Emoji Dictation, and Reference Mode with Sidecar features. Likewise, this model is fully compatible with macOS Sonoma (macOS 14) with the exception of the minor Presenter Overlay, React with your Hands using the built-in camera, Game Mode, high-performance mode in the Screen Sharing app, and quicker Siri launch capability. Finally, this model is compatible with the current version of the macOS -- macOS Sequoia (macOS 15) -- with the exception of the Apple Intelligence (AI), Live audio transcription, and iPhone Mirroring (from Mac) features. Also see: Which Macs are compatible with macOS Sequoia (macOS 15)? What are the system requirements? What are the major new features? Do all features work with all supported Macs?

Minimum Windows:

10 (64-Bit)*

Maximum Windows:

10 (64-Bit)*

Details:

*The pre-installed version of Apple's Boot Camp 6 supports the 64-bit version of Windows 10. Earlier versions of Windows are not supported.

MacOS 9 Support:

None

Windows Support:

Boot/Virtualization

Details:

Also see: Are there any third-party programs to run Mac OS 9/Classic applications on Intel Macs? For more on running Windows on Intel Macs, please refer to the exhaustive Windows on Mac Q&A.

Dimensions:

20.3 x 25.6 x 8

Avg. Weight:

21 lbs. (9.54 kg)

Details:

In inches - height by width by depth, (51.6 cm, 65.0 cm, 20.3 cm).

Original Price (US):

US$2299

Est. Current Retail:

US$1000-US$1400

Details:

Photo Credit: Apple Computer.

Ports

Click on a category for additional details. The most commonly needed info is "open" by default, but all info is important. The icons correspond with the icons for each port on the computer.

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Video (Monitor):

2 (Thunderbolt 3/USB-C)

Floppy (Ext.):

None

Details:

This model has two Thunderbolt 3 ports. These two ports support DisplayPort, Thunderbolt (up to 40 Gbps), and USB 3.1 Generation 2 (up to 10 Gbps). Adapters also are available to use Thunderbolt 2, HDMI, DVI, and VGA. In the US (and many other countries), site sponsor Other World Computing sells Thunderbolt docks and external drives compatible with this Mac and just about all others. What is Thunderbolt 3? What is the difference between USB-C and Thunderbolt 3? What Thunderbolt 3 adapters and docks are available?

ADB:

None

SCSI:

None

Details:

N/A

Serial (Standard):

None

Serial (Geoport):

None

Details:

N/A

USB:

4 (3.0)

Firewire:

None

Details:

Four USB 3.0 ports.

Modem:

None

Ethernet:

1 (RJ-45)

Details:

Gigabit Ethernet, 802.11ac Wi-Fi (802.11a/b/g/n backwards compatible) and Bluetooth 4.2 standard.

S-Video Input:

None

S-Video Output:

None

Details:

N/A

Microphone:

1 (Built-in)

Sound In:

N/A

Details:

N/A

Sound Out:

1

Headphone:

1

Details:

Single 3.5 mm headphone jack.

Security (Lock):

1

Joystick (PC):

None

Details:

N/A

Power:

1

Power Adapter:

None

Details:

100V-240V (50 Hz to 60 Hz, single phase), Apple does not specify maximum wattage.

Global Original Prices

Global original prices for the iMac "Core i5" 3.7 27" (5K, 2019) in 34 different countries and territories follow; organized alphabetically by region.

For global original prices for Intel Macs in one particular country on a single page, please refer to EveryMac.com's Global Original Prices section.

Original Prices - North & South America

Canada:

C$3079

Brazil:

R$20.199

Mexico:

MXN $56,499

United States:

US$2299

Original Prices - Europe

Austria:

€2599

Belgium:

€2599

Denmark:

DKK 20,499

Finland:

€2699

France:

€2599

Germany:

€2599

Ireland:

€2699

Italy:

€2699

Luxembourg:

€2513,08

Netherlands:

€2599

Norway:

NOK 25.990

Portugal:

€2699

Spain:

€2599

Sweden:

SEK 28.995

Switzerland:

CHF 2'599

United Kingdom:

£2249

Original Prices - Asia

China:

RMB 18,199

Hong Kong:

HK$17,799

India:

Rs 219,900

Indonesia:

Rp 37,599,000

Japan:

¥253,800

Korea:

KRW 2,950,000

Malaysia:

RM 9,799

The Philippines:

PHP 135,990

Singapore:

S$3,329

Taiwan:

NT$72,900

Thailand:

THB 79,900

Vietnam:

VND 59,990,000

Original Prices - Australia & New Zealand

Australia:

A$3549

New Zealand:

NZ$3849

If you have additional original prices for this model, please get in touch. Thank you.

Popular Q&As

Ten of the most popular Q&As about the iMac models follow.

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