Apple iMac 24-Inch M1 Desktop vs Apple iMac 27-Inch Retina 5K (2026): Key Differences
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This apple apple imac apple vs imac mk472ll a 27 inch retina comparison looks at two distinct Apple desktops. Both machines offer a Retina display and 8GB of system memory for general tasks. The main difference lies in their architecture and screen size. One uses a modern M1 chip with a 24-inch screen, while the other relies on an Intel Core i5 processor with a larger 27-inch 5K display. You need to decide which form factor and performance style fits your workflow.
Key differences
| Aspect | Apple iMac 24-Inch M1 Desktop | Apple iMac 27-Inch Retina 5K Core i5 |
|---|---|---|
| Processor | Apple M1 8-core CPU | 3.2 GHz Intel Core i5 Quad Core |
| Graphics | 8-core GPU | AMD Radeon R9 M390 |
| Screen Size | 24-inch | 27-inch |
| Display Resolution | 4.5K Retina | Retina 5K |
| Storage | 512GB SSD | 1TB Fusion Drive |
Which one should you choose?
Choose Apple iMac 24-Inch M1 Desktop if
- You want the latest Apple silicon architecture for efficient daily performance.
- You prefer a compact, thin design that fits on smaller desks.
- You value higher display brightness and modern connectivity ports.
Choose Apple iMac 27-Inch Retina 5K Core i5 if
- You need a larger 27-inch screen with higher 5K pixel density.
- You require more raw storage capacity with a 1TB drive.
- You are accustomed to Intel-based Macs or legacy software compatibility.
Verdict: The 24-inch M1 iMac suits users who prioritize modern efficiency, a smaller footprint, and a vibrant color palette. The 27-inch Intel model is better for those who need a larger 5K canvas and more storage space. Your choice depends on whether you value screen real estate or architectural modernity.
Specs: Processor, Display, Storage
Processor
The Apple iMac 24-Inch M1 Desktop uses the Apple M1 chip, which features an 8-core CPU. This silicon is designed for high efficiency and strong single-threaded performance. In contrast, the Apple iMac 27-Inch Retina 5K Core i5 relies on a 3.2 GHz Intel Core i5 Quad Core Processor. While the Intel chip offers traditional x86 architecture compatibility, the M1’s custom design generally delivers better performance per watt. For most modern tasks, the M1’s architecture provides a smoother experience, though the Intel chip remains capable for standard desktop workloads.
Display
Screen size and resolution differ significantly between these two models. The Apple iMac 24-Inch M1 Desktop features a 24-inch 4.5K Retina display with P3 wide color gamut and 500 nits of brightness. The Apple iMac 27-Inch Retina 5K Core i5 offers a larger 27-inch Retina 5K display. The 5K resolution on the 27-inch model provides higher pixel density, which is beneficial for detailed image editing or reading small text. However, the 24-inch model’s P3 color gamut ensures more accurate color reproduction for creative work.
Storage
Storage capacity and type vary between the two systems. The Apple iMac 24-Inch M1 Desktop is equipped with up to 512GB of ultrafast SSD storage in this configuration. The Apple iMac 27-Inch Retina 5K Core i5 includes a 1TB Fusion Drive. The Fusion Drive combines flash storage with a traditional hard drive, offering more total space but potentially slower random access speeds compared to a pure SSD. If you need more raw storage space, the 27-inch model has the advantage, but the M1’s SSD is likely faster for loading applications.
Graphics
Integrated graphics solutions differ in their underlying technology. The Apple iMac 24-Inch M1 Desktop includes an 8-core GPU integrated into the M1 chip. This GPU is optimized for macOS and offers strong performance for light gaming and video editing. The Apple iMac 27-Inch Retina 5K Core i5 uses an AMD Radeon R9 M390 graphics card. While the R9 M390 is a dedicated GPU, it is an older architecture. The M1’s 8-core GPU generally provides better efficiency and modern feature support, making it more suitable for contemporary creative applications.
Memory
Both systems are configured with 8GB of system memory, which is sufficient for general web browsing, office tasks, and light media consumption. The Apple iMac 24-Inch M1 Desktop uses unified memory architecture, allowing the CPU and GPU to share data efficiently. The Apple iMac 27-Inch Retina 5K Core i5 uses 8GB DDR3 RAM. While the capacity is identical, the M1’s unified memory typically offers higher bandwidth and lower latency. For heavy multitasking or large files, 8GB may be a limitation for both, but the M1 manages it more effectively.
Which iMac fits your needs?
Users wanting modern performance and portability
The M1 chip delivers efficient power with an 8-core CPU and GPU. Its 24-inch 4.5K Retina display offers vibrant P3 wide color. The thin 11.5 mm design saves space. You get fast SSD storage and excellent six-speaker audio. This model suits those prioritizing speed, portability, and a compact footprint for everyday tasks.
Users preferring a larger 5K screen
This model features a 27-inch Retina 5K display, providing significantly more screen real estate than the 24-inch version. The larger canvas is ideal for detailed work. It includes a 1TB Fusion Drive for ample storage. While it uses an older Intel Core i5 processor, the higher resolution screen remains a key advantage for visual tasks.
Users needing robust internal graphics
The 27-inch iMac includes a dedicated AMD Radeon R9 M390 graphics card. This discrete GPU handles graphical workloads better than the integrated M1 GPU in the smaller model. If you require specific graphics processing power for older software or certain creative apps, this dedicated hardware provides a clear performance edge over the integrated solution.
The products compared
Apple iMac 24-Inch M1 Desktop
Best for: Compact home office setups
- Processor
- Apple M1
- System Memory
- 8GB
- Storage Capacity
- 512GB SSD
- Screen Size
- 24-inch
- Display Resolution
- 4.5K Retina
- Graphics
- 8-core GPU
View on Amazon: Apple iMac 24-Inch M1 Desktop Affiliate link
This 2021 Apple iMac features a 24-inch 4.5K Retina display and an Apple M1 chip with an 8-core CPU and GPU. It includes 8GB of system memory and 512GB of SSD storage. The design is notably thin at 11.5 mm. It suits users who want a compact, all-in-one desktop with strong integrated graphics and high-quality audio for everyday tasks.
Pros
- 24-inch 4.5K Retina display with P3 wide color gamut
- Apple M1 chip with 8-core CPU and 8-core GPU
- 11.5 mm thin design in vibrant colors
- Six-speaker sound system for robust audio
Cons
- 8GB of system memory limits heavy multitasking
- 24-inch screen is smaller than the 27-inch 5K alternative
- No discrete graphics card for professional rendering
Good fit if
- You want a compact desktop for general use
- You prefer an all-in-one design with built-in audio
- You need a 4.5K display for color accuracy
Skip if
- You require more than 8GB of RAM for professional work
- You need a larger 27-inch 5K display
- You want upgradeable components like RAM or storage
Verdict: Apple iMac 24-Inch M1 delivers a compact, high-resolution display and efficient performance for daily tasks. It fits users who value a sleek, all-in-one form factor over raw power or screen size.
Apple iMac 27-Inch Retina 5K Core i5
Best for: Users needing large Intel-based Mac screens
- Processor
- 3.2 GHz Intel Core i5
- System Memory
- 8GB DDR3
- Storage Capacity
- 1TB Fusion Drive
- Screen Size
- 27-Inch
- Display Resolution
- Retina 5K
- Graphics
- AMD Radeon R9 M390
View on Amazon: Apple iMac 27-Inch Retina 5K Core i5 Affiliate link
This 27-inch iMac uses a 3.2 GHz Intel Core i5 processor and 8GB DDR3 RAM. It features a Retina 5K display and a 1TB Fusion Drive. The AMD Radeon R9 M390 graphics card handles visual tasks. You get Mac OS X preinstalled. This setup suits users who prefer Intel-based Macs with large, high-resolution screens for desktop work.
Pros
- 27-inch Retina 5K display
- 3.2 GHz Intel Core i5 processor
- 1TB Fusion Drive storage
- AMD Radeon R9 M390 graphics
Cons
- Only 8GB system memory
- Older Intel processor architecture
- Uses DDR3 RAM technology
Good fit if
- You need a large 27-inch screen
- You prefer Intel processors over Apple Silicon
- You want a high-resolution Retina 5K display
Skip if
- You require more than 8GB of RAM
- You need the latest Apple M-series chips
- You want faster DDR4 or DDR5 memory
Verdict: Apple iMac 27-Inch Intel i5 offers a large Retina 5K screen with solid Intel processing power. It fits users who prioritize screen size and Intel compatibility over modern memory speeds.
Specifications side by side
| Spec | Apple iMac 24-Inch M1 Desktop | Apple iMac 27-Inch Retina 5K Core i5 |
|---|---|---|
| Processor | Apple M1 | 3.2 GHz Intel Core i5 |
| System Memory | 8GB | 8GB DDR3 |
| Storage Capacity | 512GB SSD | 1TB Fusion Drive |
| Screen Size | 24-inch | 27-Inch |
| Display Resolution | 4.5K Retina | Retina 5K |
| Graphics | 8-core GPU | AMD Radeon R9 M390 |
| Operating System | not stated | Mac OS X |
| Memory | 8GB RAM | not stated |
| Storage | 512GB SSD | not stated |
| Dimensions | 27.2 × 6.89 × 23.8 inches | 24 × 10 × 30 inches |
| Weight | 9.83 pounds | not stated |
| Size | 8GB - 512GB | 27-Inch Recertified |
| Color | Green | Silver |
| Model | MGPG3LL/A | MK472LL/A |
Frequently asked questions
Which iMac has the larger screen?
The Apple iMac 27-Inch Retina 5K Core i5 features a 27-inch display. This model provides a significantly larger viewing area compared to the 24-inch screen on the M1 desktop. You get more real estate for multitasking and media consumption with the larger panel.
Does the M1 iMac have more storage?
Yes, the Apple iMac 24-Inch M1 Desktop includes 512GB of SSD storage. The 27-inch Intel model does not list a specific storage capacity in its provided attributes. You can rely on the M1 version for a confirmed 512GB base configuration.
Which model is lighter and smaller?
The Apple iMac 24-Inch M1 Desktop is lighter and more compact. It weighs 9.83 pounds and measures 27.2 inches in length. The 27-inch Intel model is heavier and larger, measuring 24 inches in length and 30 inches in height. The M1 fits better in small spaces.
What processor does each iMac use?
The 24-inch model uses the Apple M1 chip with an 8-core CPU. The 27-inch model relies on an Intel Core i5 processor. These are distinct architectures, with the M1 offering modern efficiency and the Core i5 providing traditional Intel processing power for specific compatibility needs.
Is the memory the same in both?
Both desktops list 8GB of RAM in their attributes. This shared memory capacity supports general daily tasks on both machines. You get the same amount of system memory regardless of whether you choose the newer M1 chip or the older Intel-based 27-inch display model.
Which iMac is better for a home office?
The Apple iMac 24-Inch M1 Desktop is best for compact home office setups. Its sleek, all-in-one form factor saves space while delivering efficient performance. The 27-inch Intel model is better for users needing a large screen. Choose the M1 for space efficiency and modern design.
What colors are available for these models?
The Apple iMac 24-Inch M1 Desktop is listed in Green. The 27-inch Intel model is available in Silver. These color options allow you to match your desktop to your existing workspace decor. Check the specific listing for other potential color variations if available.
Do both have Retina displays?
Yes, both machines offer Retina display technology. The 24-inch model features a high-resolution screen, while the 27-inch model provides a Retina 5K display. Both deliver sharp visuals for your tasks. The 5K panel on the larger model offers higher pixel density for detailed work.