Apple’s MacBook Air continues to be one of the most popular laptops in the US.
In March 2025, Apple introduced the MacBook Air M4, available in 13-inch and 15-inch sizes.
With Apple Intelligence features and the powerful M4 chip, RAM selection is now more important than ever.
Many buyers still ask, how much RAM does a MacBook Air have, and which option is best for daily use.
This guide explains Key RAM Configurations, performance impact, and How Much RAM You Need.
We use real-world examples to keep things simple and practical.
Story In Short
What Is RAM and Why It Matters on the MacBook Air M4

RAM allows your MacBook Air to run apps smoothly.
It handles multitasking, background processes, and AI features.
On the MacBook Air M4, Apple uses unified memory.
This memory is shared by the CPU, GPU, and Neural Engine.
It improves speed and power efficiency.
Important reminder:
RAM cannot be upgraded later.
Your purchase decision matters long term.
How Much RAM Does a MacBook Air Have in the M4 Model?

So, how much RAM does a MacBook Air have in 2025?
Base RAM on MacBook Air M4
The MacBook Air M4 starts with:
- 8GB unified memory
This applies to both:
- 13-inch MacBook Air M4
- 15-inch MacBook Air M4
Apple optimizes macOS for this configuration.
For light use, performance remains smooth.
Key RAM Configurations on MacBook Air M4
Apple offers upgraded memory options at checkout.
Available RAM Options
- 8GB – Base configuration
- 16GB – Recommended upgrade
- 24GB – High-performance option
These are the Key RAM Configurations available in the latest model.
Higher RAM improves:
- Multitasking
- AI processing
- Longevity
How Much RAM You Need Based on Your Usage

Choosing RAM depends on your daily tasks.
8GB RAM: For Everyday Apple Users
Best if you:
- Browse Safari
- Stream videos
- Use Pages, Mail, and Notes
- Sync with iPhone and iPad
Example:
A casual user working, browsing, and attending video calls.
16GB RAM: Best Choice for Most Buyers
Choose 16GB if you:
- Use multiple apps at once
- Edit photos or short videos
- Work with Apple Intelligence tools
- Use coding or design software
This option delivers excellent value.
It also keeps your Mac fast for years.
24GB RAM: Built for Power and AI Tasks
Choose 24GB if you:
- Edit 4K video
- Use advanced creative apps
- Run virtual machines
- Want maximum future-proofing
This pairs perfectly with the M4 chip’s GPU and Neural Engine.
How Apple M4 Chip Changes RAM Performance
The M4 chip includes:
- 10-core CPU
- Up to 10-core GPU with ray tracing
- 16-core Neural Engine
Because of unified memory, apps share RAM efficiently.
AI tasks run faster with more memory available.
Still, heavy workloads benefit from higher RAM.
Efficiency does not replace capacity.
MacBook Air M4 RAM vs Older Models
Compared to older Intel models:
- 8GB on M4 feels faster
- Battery life improves dramatically
- Fanless design stays silent
Compared to MacBook Pro:
- Air supports up to 24GB RAM
- Pro offers higher limits for extreme users
For most people, Air with 16GB RAM is ideal.
Other Features That Impact Performance
While RAM matters, other features help too:
- Up to 18 hours battery life
- Liquid Retina display with 500 nits
- Supports two external displays (lid closed)
- Wi-Fi 6E and Thunderbolt 4
These features work best with adequate RAM.
FAQs
1. Is 8GB RAM enough for MacBook Air M4?
Yes, for basic use and light multitasking.
2. Can I upgrade RAM later?
No. RAM is fixed at purchase.
3. Is 16GB RAM worth it in 2025?
Yes. It offers better performance and longevity.
4. Does Apple Intelligence need more RAM?
Yes. AI features benefit from higher memory.
5. Should students choose 16GB RAM?
Yes, especially for coding, design, or long-term use.
Disclaimers:
This article is for informational purposes only.
Specifications may change.
Always confirm details on Apple’s official website before purchasing.
Final CTA
Buying the new MacBook Air M4?
Choose the right RAM today for smoother performance tomorrow.
Visit Apple’s official MacBook Air page and customize your ideal model now.

Virginia J. Alfonso is a seasoned technology writer with a passion for all things digital. With over a decade of experience covering the latest in tech innovation, gadgets, and software, Virginia brings a unique blend of technical expertise and accessible writing to her work. Her articles focus on making complex tech topics easy to understand for readers of all levels.