Quick Answer
The Apple M4 chip, found in the latest iPad Pro models, represents a significant generational leap over the M2 chip used in previous iPad Pro and iPad Air models. The M4 offers a more advanced CPU and GPU architecture, a powerful Neural Engine for AI tasks, and support for new display technologies. The M2 remains a highly capable chip, making devices that use it a relevant option for many users.
Apple M4 (iPad) vs Apple M2 (iPad): Full Comparison
Introduction
When considering an iPad, the system-on-a-chip (SoC) is a central component that dictates performance, efficiency, and the overall user experience. The Apple M2 and M4 represent two distinct generations of Apple silicon, each powering different tiers of the iPad lineup. This comparison breaks down the key differences in their architecture, performance, and features to help clarify which chip might align better with specific needs, from general use to professional workflows.
Performance & Architecture
The core difference lies in their manufacturing process and CPU/GPU design, which directly impacts speed and efficiency.
- Apple M4: Built on a second-generation 3-nanometer process. It typically features a 9- or 10-core CPU (with a mix of performance and efficiency cores) and a 10-core GPU. This newer architecture provides a substantial performance-per-watt improvement, meaning it can deliver more power while generally maintaining or improving battery life.
- Apple M2: Built on an enhanced 5-nanometer process. It commonly features an 8-core CPU and an 8- or 10-core GPU. While not as advanced as the M4, it offers robust performance that handles demanding apps, multitasking, and creative work effectively.
In benchmarks and real-world usage, the M4 shows notable gains in both CPU and GPU tasks, which can be particularly noticeable in intensive applications like 3D rendering, video editing with multiple streams, and complex image processing.
AI & Machine Learning
Apple has placed increased emphasis on machine learning capabilities with the M4 chip.
- Apple M4: Includes a next-generation Neural Engine capable of up to 38 trillion operations per second (TOPS). This significantly accelerates on-device AI tasks such as subject isolation in video, live transcription, and features within creative and productivity apps that leverage machine learning models.
- Apple M2: Features a capable 16-core Neural Engine with a 15.8 TOPS rating. It supports existing AI and ML features but operates at a lower computational capacity compared to the M4.
The enhanced Neural Engine in the M4 is designed to better support future software updates and applications that rely heavily on AI processing.
Display & Media Engine
A key differentiator is the M4’s dedicated hardware for advanced display technologies.
- Apple M4: Integrates a new display engine that enables the Ultra Retina XDR display with tandem OLED technology found in the latest iPad Pro. This engine helps deliver exceptionally high brightness, contrast, and color accuracy. It also supports hardware acceleration for AV1 video decode, improving efficiency when streaming high-resolution video.
- Apple M2: Lacks this specific display engine. It powers the Liquid Retina XDR (mini-LED) or standard Liquid Retina displays on earlier iPad Pro and iPad Air models. It does not have hardware-accelerated AV1 decode.
This makes the M4 the chip associated with the most advanced display technology currently available in an iPad.
Devices and Positioning
The chips are found in different iPad models, which influences their overall context.
- Apple M4: Currently exclusive to the latest iPad Pro models (11-inch and 13-inch). These are positioned as the most powerful and feature-rich iPads.
- Apple M2: Found in the previous-generation iPad Pro (11-inch and 12.9-inch) and the current iPad Air (11-inch and 13-inch). This places it as a high-performance option in both the Pro line from the previous generation and the current Air line.
Therefore, the choice often extends beyond just the chip to encompass the other features of the device it powers, such as display type, camera systems, and accessory support.
Comparison Table: Apple M4 vs Apple M2
| Feature | Apple M4 (iPad) | Apple M2 (iPad) |
|---|---|---|
| Process Technology | Second-Gen 3nm | Enhanced 5nm |
| CPU Cores | 9 or 10-core (4 performance + 6 efficiency, or 4P + 6E) | 8-core (4 performance + 4 efficiency) |
| GPU Cores | 10-core | 8-core or 10-core |
| Neural Engine | 16-core, up to 38 TOPS | 16-core, 15.8 TOPS |
| Memory Bandwidth | 120GB/s | 100GB/s |
| Display Engine | New engine for tandem OLED; supports hardware AV1 decode | Standard display engine; no hardware AV1 decode |
| Media Engine | Hardware-accelerated H.264, HEVC, ProRes, AV1 decode | Hardware-accelerated H.264, HEVC, ProRes decode |
| Devices | iPad Pro (11-inch, 13-inch) – Latest Generation | iPad Pro (11-inch, 12.9-inch) – Previous Generation; iPad Air (11-inch, 13-inch) |
FAQ: Apple M4 vs M2 for iPad
What is the biggest practical difference between the M4 and M2 in an iPad?
The most noticeable differences for users will likely be in graphics-intensive tasks (like gaming or 3D design), AI-powered features (which may run faster and enable new capabilities), and the visual experience if paired with the latest iPad Pro’s tandem OLED display, which the M4’s display engine is designed to drive.
Is the M2 chip still good for professional work on an iPad?
Yes, the M2 chip remains a highly capable processor. It can handle professional applications for photo and video editing, music production, and complex design work effectively. For many professional workflows, an M2-based iPad may provide sufficient performance.
Does the M4 chip improve battery life compared to the M2?
Due to its more efficient 3nm architecture, the M4 chip generally offers better performance per watt. This can translate to similar or slightly improved battery life under comparable workloads, though the actual battery life of any device depends on multiple factors including display technology and usage patterns.
Should I choose an iPad with M2 or M4 for general use and note-taking?
For general tasks like web browsing, streaming, document editing, and note-taking, both the M2 and M4 offer more than enough performance. The decision in this case would typically depend more on other factors like the specific iPad model, its display, form factor, and price, rather than the raw performance difference between these chips.
Final Thoughts
The Apple M4 represents a clear technological step forward from the M2, bringing improvements in CPU/GPU performance, AI capability, and display support. It is the chip that powers the current flagship iPad Pro experience. The M2, however, is far from obsolete; it continues to deliver excellent performance in both the previous-generation iPad Pro and the current iPad Air. The choice between devices powered by these chips ultimately hinges on assessing whether the M4’s advanced features, like its enhanced Neural Engine and support for the latest display technology, are necessary for your specific tasks, or if the still-robust performance of an M2-based iPad meets your requirements and aligns better with other considerations.