The small one
The 41mm Apple Watch is just a tad bigger than the 40mm from the older Series 6 Apple Watch. The benefit of the smaller case size is that smaller wrists may find it more comfortable. Even though the screen isn’t quite as large as the 45mm, it still has a larger screen than all older Apple Watches.
For
Less expensiveBetter fit on smaller wrists
Against
Smaller display
The most screen you can get
The 45mm Apple Watch is larger than the 44mm size that came before it. This is the biggest display you’ll find on an Apple Watch without breaking the bank for an Ultra or Ultra 2.
For
Larger screen and more real estate on your wrist
Against
More expensiveMight be too big for some
Congratulations, you’ve decided to purchase the best smartwatch on the market and now just need some advice on picking which size is the right size for you.
You need to consider several things after deciding that the Apple Watch Series 9, Series 8 or Series 7 is right for you. You need to pick a band and a color combination. You should also decide if you want cellular or GPS, which you can learn more about in our handy Apple Watch Cellular vs GPS guide. You’ll also need to figure out which size you should get: 41mm vs 45mm, and that’s what we’re here to help you decide.
Luckily there are no differences apart from size, so it’s completely down to your personal preference and how you like a watch to feel and look on your wrist. Here’s how to make the right Apple Watch size choice for you.
Apple Watch 41mm vs. 45mm: Spec comparison
(Image credit: Apple)
Unlike traditional watches, which measure case size horizontally, Apple measures the Apple Watch Series 9 (and all other Apple Watch models) vertically. So, that means the smaller of the two Apple Watch sizes has a height of 41mm; the larger, 45mm. Both models come with 20% more screen area and 40% thinner bezels when compared to older models like the Apple Watch Series 6.
If you’re used to wearing regular round watches, comparing the more rectangular design Apple Watch Series 9 may be hard to eyeball; however, Apple Watch models in the past have never felt too bulky to most people. Below, there’s a visual representation so you get a better idea of what the difference may look like in practice.
(Image credit: Apple)
There are plenty of watches that far exceed the Apple Watch in size — even something as big as the 45mm model. So, even if you think you want to go with the smaller 41mm version, take the time to consider both sizes. Neither is enormous, but smaller wrists will likely find the 41mm a tad more comfortable.
Apple Watch 41mm vs. 45mm: Feel the weight
(Image credit: iMore)
Remember that the Apple Watch Series 9 comes in two different finishes — aluminum and stainless steel. Each metal has a different weight, with aluminum being the lightest and stainless steel being the heaviest finish.
41mm Apple Watch weight:
32.0 grams for aluminum finish42.3 grams for stainless steel finish
45mm Apple Watch weight:
38.8.0 grams for aluminum finish51.5 grams for stainless steel finish
We are talking in grams here, but on a device so small, you definitely notice the difference in weight on your wrist depending on which Apple Watch Series 9 you choose. The 45mm Apple Watch will be heavier across the board, with the stainless steel version being 9.2 grams heavier than the 41mm size.
Apple Watch 41mm vs. 45mm: Band together
(Image credit: Stephen Warwick / iMore)
Since Apple only offers some bands in some sizes, if you have your heart set on a specific band, you may have to be willing to go with the size that matches it.
41mm-specific bands:
Modern BuckleHermès Attelage Double Tour
45mm-specific bands:
Silver link braceletSpace black braceletHermès Attelage Single TourHermès Single Tour Deployment Buckle
That said, you can get third-party bands that look like the real thing of almost any band you want, so it doesn’t truly matter if you’re looking for the best Apple Watch bands.
Apple Watch 41mm vs. 45mm: Which should you buy?
(Image credit: Apple)
If you want the largest screen available on a regular Apple Watch and having a watch that’s a little heavier (regardless of which metal you choose to get) isn’t a big deal to you, then the 45mm Apple Watch Series 9 is a perfect choice.
If you want to cut down on the bulk, have a smaller wrist, or want to save a little bit of money, the 41mm Apple Watch Series 9 is the option for you. Remember, it has all the same features as its big brother; it just comes in a slightly small package.
If you are still undecided, try them both on to see how they feel and look on your wrist. You can then make the decision that works best for you.
Not sure whether your heart is set on an Apple Watch Series 9 or an Apple Watch Ultra 2? Then take a look at our best Apple Watch guide to figure out which version is right for you.
Look at that screen
If you love big screens, the 45mm Apple Watch Series 9 will give you the largest screen without forking our for an Ultra
Smaller, but still impressive
If you have a small wrist and want the Apple Watch to look comfortable on it, you should consider this Apple Watch.
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