Trying to choose between a new iMac and a MacBook? It is one of those Mac buying decisions that sounds simple until you start adding up the real-life details: screen size, desk space, battery life, portability, power use, and whether you are mostly working at home or carrying the Mac around.
The short version: buy an iMac if you want a comfortable fixed home setup with a large built-in screen. Buy a MacBook Air or MacBook Pro if portability matters, or if you want one Mac that can work both on the sofa and away from home. Yes, that is suspiciously sensible. We apologise.
Popular searches people use when comparing iMac and MacBook
Before writing this, we checked the common search patterns around this question. The phrases people are actually searching for include:
- iMac vs MacBook
- iMac vs MacBook Air
- iMac vs MacBook Pro
- iMac vs MacBook Pro performance
- iMac or MacBook which is better
- MacBook or iMac for video editing
- MacBook or iMac for photo editing
- MacBook or iMac for music production
- iMac or MacBook with external monitor
- iMac vs MacBook Air price
That tells us the real question is not just “which Mac is faster?”. It is usually: which Mac fits the way I actually use a computer?
The iMac case: bigger screen, tidier desk, no battery worries
The current iMac is Apple’s all-in-one desktop Mac with a 24-inch 4.5K Retina display and Apple silicon inside. Apple lists the iMac from £1,299 in the UK, with the M4 chip, 24-inch class display, built-in camera, speakers, microphones, keyboard and mouse or trackpad options.
The biggest everyday advantage is the screen. A 24-inch iMac gives you much more room than a 13-inch or 15-inch MacBook screen. If you spend a lot of time in Mail, Safari, Pages, Photos, spreadsheets, online banking, Zoom calls or family history research, screen space matters. It is simply more comfortable.
An iMac also keeps things simple. There is no separate monitor to choose, fewer cables than a MacBook-and-dock arrangement, and no battery to manage. It sits on the desk and is always ready.
When an iMac makes sense
- You mainly use your Mac in one room.
- You want a larger, sharper screen without buying a separate display.
- You prefer a proper keyboard and mouse or trackpad setup.
- You do lots of photo viewing, admin, writing, browsing or video calls.
- You want a tidy home computer rather than a bag-friendly laptop.
The drawback is obvious: it stays where it is. You are not taking an iMac to the garden, the sofa, a client visit, a café, or on holiday unless you enjoy looking unhinged in public.
The MacBook case: portability, battery life and flexibility
The MacBook Air is the model most people should compare with the iMac first. Apple lists the MacBook Air from £1,099 in the UK, with 13-inch and 15-inch versions, up to 18 hours of battery life, and a very light design. Apple describes the 13-inch MacBook Air as around 1.23 kg, which is the sort of weight you actually can carry around without silently resenting it.
The MacBook Pro sits above it, starting from £1,699 in the UK, with more powerful chip options, a better display, more ports and longer battery life on some models. It is the better choice for heavier creative work, development, large photo libraries, video editing, music production, or demanding professional apps.
When a MacBook makes sense
- You need to use your Mac away from the desk.
- You want battery power during travel, meetings or power cuts.
- You like working in different rooms.
- You may want to connect to an external monitor at home.
- You are buying one Mac to cover home, work and travel.
The main compromise is screen size. A 13-inch MacBook Air is wonderfully portable, but it can feel cramped for long sessions. The 15-inch MacBook Air is a better middle ground if you want portability with a more comfortable screen, but it is still not the same as a 24-inch iMac display.
Cost: the price tag is not the whole story
At first glance, the MacBook Air can look cheaper than the iMac. Current Apple UK starting prices put the MacBook Air from £1,099 and the iMac from £1,299. But compare the full setup, not just the computer.
The iMac includes the big display, speakers, camera, keyboard and pointing device in one package. With a MacBook, you may later decide you want an external monitor, keyboard, mouse, stand, hub or dock. That can easily close the price gap.
On the other hand, if you already have a good monitor, or you mainly use the MacBook on its own, the MacBook Air can be the cheaper and more flexible buy.
Screen size: this is where the iMac wins
If you are replacing an older desktop iMac, be careful before assuming a MacBook will feel the same. It will not. A 13-inch MacBook screen is excellent, but small. A 15-inch MacBook Air is better, but still a laptop. The iMac’s 24-inch 4.5K screen gives you more breathing room.
For older eyes, long writing sessions, family photo sorting, spreadsheets, and side-by-side windows, the iMac is usually more comfortable. For sofa use, travel and quick jobs around the house, the MacBook wins.
Power use: laptops usually use less, but modern iMacs are efficient
Apple’s published iMac power figures show recent Apple silicon iMacs using roughly 43–46W when idle and around 100–105W at CPU maximum, depending on configuration. That is far lower than many older Intel 27-inch iMacs, some of which could use far more under heavy load.
A MacBook Air is built around battery efficiency and usually uses less power during light everyday work. A simple example: using a 43W iMac for six hours a day is about 94 kWh a year. At 25p per kWh, that is roughly £24 a year. A lighter 30W laptop-style workload would be roughly £16 a year on the same assumption.
In plain English: power use should not be the only reason you choose one over the other. The difference is real, but for normal home use it is usually smaller than the cost of choosing the wrong type of Mac.
Battery life: only the MacBook gives you freedom from the wall
The iMac has no battery. It is a desktop computer. If the power goes off, so does the iMac.
MacBooks are different. Apple lists the MacBook Air at up to 18 hours of battery life, and the MacBook Pro line at up to 24 hours depending on model. Real-world use varies, of course. Video calls, bright screens, external displays and heavy apps all reduce battery life. Still, even a conservative day of use from a modern MacBook is very good.
If you often work away from a desk, battery life is not a bonus feature. It is the whole point.
Performance: Air, iMac or Pro?
For everyday home use, a modern MacBook Air or iMac is already very fast. Email, web browsing, photos, Microsoft Office, banking, video calls and light editing do not need a MacBook Pro.
The MacBook Pro starts to make sense when you do heavier work: video editing, music production, large Photoshop files, software development, virtual machines or anything that runs hard for long periods. It also gives you more ports and stronger display options.
The iMac gives you desktop comfort rather than maximum pro performance. The MacBook Air gives you portability and excellent battery life. The MacBook Pro gives you power, ports and the best laptop display, but at a higher price.
What about a MacBook with an external monitor?
This is often the best compromise. You use the MacBook as a laptop when you need portability, then plug it into a monitor, keyboard and mouse at home. That gives you something close to an iMac experience without losing the laptop.
The downside is extra cost and clutter. A good monitor, stand, hub and keyboard can add up. It is flexible, but not as clean as an iMac.
Simple buying advice
Choose an iMac if:
- You mostly work at a desk.
- You want the most comfortable screen for the money.
- You like a tidy, fixed home computer.
- You do not need battery power or portability.
Choose a MacBook Air if:
- You want the best balance of price, portability and battery life.
- Your work is mostly everyday tasks, admin, browsing, writing, photos and video calls.
- You might add an external monitor later.
Choose a MacBook Pro if:
- You run demanding creative or professional apps.
- You need more ports and stronger performance.
- You want a laptop but do not want to compromise on power.
Apple Mac Man’s practical recommendation
For many home users, the choice comes down to one honest question:
Will this Mac live on a desk, or will it move around?
If it will live on a desk, the iMac is hard to beat. The screen is comfortable, the setup is tidy, and it feels like a proper home computer.
If it will move around, buy a MacBook Air unless you know you need Pro-level power. You can always add a monitor later, and having battery life gives you options an iMac simply cannot.
If you are still unsure, Apple Mac Man can help you weigh up the models, check whether your current Mac is still worth keeping, and advise on setup, data transfer and backups before you spend money.
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Apple Mac Man helps home users in Bournemouth, Dorset, Wiltshire and remotely across the UK with Mac buying advice, setup, data transfer, backups and general Mac support.