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41 vs. 45mm Apple Watch: Which Size Should You Choose?

Apple Watch 41mm

41 vs. 45mm Apple Watch: Which Size Should You Choose?

In the world of the Apple Watch, you have several decisions to make when looking to purchase. They might seem like easy decisions, but big purchase decisions are often anything but. Whether it’s going with aluminum or stainless steel or GPS versus cellular, buying an Apple Watch isn’t always a quick decision. 

Of course, the most important factor before purchasing an Apple Watch is the size. In today’s Apple Watch world with the Series 9, you have two choices. These boil down to whether you will go with the 41mm or 45mm watch size. The answer isn’t as easy as you might think. Let’s compare these two sizes and help you make the best decision with your next Apple Watch. 

Apple Watch 41mm vs 45mm: Side-by-Side Comparison

41mm45mm
Watch Face Size41 x 35 x 10.7mm 45 x 38 x 10.7mm
Display Size352 x 430 pixels396 x 484 pixels
Weight31.9 grams (Aluminum GPS)32.1 grams (Aluminum GPS + Cellular)42.3 grams (Stainless Steel)38.7 grams (Aluminum GPS)39.0 grams (Aluminum GPS + Cellular)51.5 grams (Stainless Steel)
BrightnessUp to 2000 nits brightnessUp to 2000 nits brightness
Battery LifeUp to 18 hoursUp to 18 hours
Storage 64GB64GB
ProcessorS9 S9
ResistanceWater up to 50mDust Resistance IP6XWater up to 50mDust Resistance IP6X
Aluminum PriceStarting at $399Starting at $429
Stainless Steel PriceStarting at $699Starting at $729
Most Powerful
Apple Watch Series 9 [GPS 45mm] Smartwatch
$355.41
  • Superbright display
  • Advanced health features
  • Innovative safety features
  • Customizable with different bands and watch faces
We earn a commission if you make a purchase, at no additional cost to you.
03/10/2024 06:51 pm GMT

Apple Watch 41mm vs 45mm: What’s the Difference? 

Price

In the world of Apple Watch pricing, Apple makes pricing very clear between the two sizes. For the 41mm aluminum face size, your starting price is going to be $399. Without any discounts from Amazon, you can safely expect this will be your starting point for a GPS-only model.

If you bump up to the GPS + Cellular model, you can expect your starting price to move up to $499. Should you choose to go with the nicer stainless steel model, your starting price will be $699 with GPS and cellular. One important caveat is that all stainless steel models include both GPS and cellular and there is no GPS-only model. 

In the case of a 45mm Apple Watch, you can expect to have a starting price of $429 for the GPS-only variant. Like the 41mm, the price jumps when you add in cellular connectivity for a new starting price of $529.

Should you opt for the stainless steel model, expect your new starting price to increase to $749. Of course, you can expect to find discounts available on Amazon throughout the year. Just don’t forget your starting price can increase depending on which Apple Watch band you select. 

5 Reasons to Avoid an Apple Watch SE Today
How well each Apple Watch size fits on your wrist is a good reason to buy.

Display Size

While both Apple Watch screens are the same in terms of brightness, the 41mm and 45mm do offer some obvious differences in screen real estate. There are two important considerations here for both watch size and screen size. For the 41mm watch, you have a screen size of 41 x 35 x 10.7mm. The screen itself is a 352 x 430-pixel display, which will still be large enough for many people. 

If you move over to the 45mm Apple Watch model, the watch face increases in size to 45 to 38 x 10.7mm. This is an extra 4 millimeters in height and 3 more millimeters in width. Plus, you have the increased size of the screen itself at 396 x 484 pixels. 

The good news is that both screens, regardless of size, offer the same brightness at 2000 nits. Additionally, every app that works on the 41mm size also works on the 45mm. It should go without saying the larger screen does show a little more of each app. Outside of this consideration, there are very few impacts on the user. 

Weight

As important as display size is, there is also a separate consideration around weight. While the difference between the two watch sizes is negligible, there is still a difference. For example, in the Aluminum + GPS model, the 41mm weighs in at 31.9 grams against the 38.7 grams of the 45mm. 

If you add cellular to the aluminum, your difference goes from 32.1 for the 41mm up to 39 for the 45mm. Last but not least, for the stainless steel model, you have a difference of 42.3 grams for 41mm and 51.5 grams for 45mm. 

Even though these differences might appear small on paper, they are worth considering as you wear the watch on your wrist all day. Thankfully, you can go into any Apple Store near you to try on both sizes and see which is more comfortable. 

Battery Life and Water Resistance 

There are numerous features and specifications where the Apple Watch Series 9 is the same for both the 41mm and 45mm sizing. This includes battery life, which might otherwise be a big factor in the event the 45mm sizing allowed for a bigger battery. Unfortunately, it does not. Instead, both the 41mm and 45mm sizes have the same up to 18 hours of battery life. 

One addition to the Apple Watch Series 9 that should help with battery is Low Power Mode. Both watch sizes take advantage of this feature and can last up to 36 hours in Low Power Mode. 

When it comes to water resistance, there is no advantage to choosing either size. Both the 41mm and 45mm offer water resistance up to 50 meters down and certification for IP6X dust resistance. 

Bands

Watch bands won’t make too much of an impact as to what size watch you are most comfortable with, it’s still a consideration. In previous Apple Watch years, they used to make some bands exclusive to different sizes. This isn’t the case with the Apple Watch Series 9. However, you still have to be considerate of which size you own and which band you should use. 

A 41mm watch band does not fit a 45mm watch face and vice versa. Whether you are buying straight from Apple or a third-party watch band on Amazon, knowing the watch size you own is a must. Unlike Apple, third-party watch band manufacturers make some colors and styles specific to each watch size so this too is something to consider. 

Comfort

If you’re concerned about one size being more comfortable than the other, rest assured this isn’t a thing. Instead, it’s really about which watch size you think looks best on your wrist. By all appearances, this is one of the biggest factors most people have to consider before purchasing. Otherwise, both the 41mm and 45mm offer the same level of comfort, with the latter weighing a fraction more. 

Apple Watch bands
No matter which Apple Watch size you buy, you have the option of a stainless steel display.

Apple Watch 41mm vs 45mm: 5 Must-Know Facts

  • With the Apple Watch, you have two sizes to choose from along with deciding between GPS or cellular connectivity.
  • Both the 41mm and 45mm Apple Watch offer the same levels of water and dust resistance. 
  • The Apple Watch has up to 18 hours of battery regularly and 36 hours in Low Power Mode. 
  • All available Apple Watch apps work on both sizes, though the larger size will show more on screen. 
  • The 45mm Apple Watch does weigh slightly more in every variation, which is something to consider if you don’t like a lot of weight on your wrist. 
Best for Fitness Tracking
Apple Watch Series 9 [GPS 41mm] Smartwatch
$259.91
  • Features an S9 chip
  • Sleep tracking feature
  • Track workout performance
  • Emergency SOS
We earn a commission if you make a purchase, at no additional cost to you.
03/10/2024 06:51 pm GMT

Apple Watch 41mm vs 45mm: Which One Should You Choose? 

Ultimately, choosing between 41mm and 45mm comes down to personal preference. Outside of cost, weight, and display size, there isn’t a whole lot else separating these two watch sizes. For most people, it comes down to their wrist and which one looks better. All it takes is one trip to the Apple Store to see people trying on both sizes to test this very thing.

Since both watches offer the same battery life, water resistance, and app selection, you really can’t go wrong either way. In my case, I have always owned the 45mm as I like the extra few mm of screen size. 

However, I tried on an Apple Watch Ultra 2 and it looked too large on my wrist. For some people, this is how they feel with the 45mm, so it’s safe to say this is why Apple has two different options. At the end of the day, you really can’t go wrong with either size.

  1. Apple Watch Series 9 [GPS 45mm] Smartwatch
    $355.41
    • Superbright display
    • Advanced health features
    • Innovative safety features
    • Customizable with different bands and watch faces
    Buy on Amazon

    We earn a commission if you make a purchase, at no additional cost to you.

    03/10/2024 06:51 pm GMT
  2. Apple Watch Series 9 [GPS 41mm] Smartwatch
    $259.91
    • Features an S9 chip
    • Sleep tracking feature
    • Track workout performance
    • Emergency SOS
    Buy on Amazon

    We earn a commission if you make a purchase, at no additional cost to you.

    03/10/2024 06:51 pm GMT

Frequently Asked Questions

What is the biggest factor to help determine which Apple Watch size is good for you?

For most people, it’s going to come down to how each looks and feels on their wrist. 

Do the Apple Watch 41mm and 45mm cost the same?

There is a price difference between the 41mm and 45mm pricing and this is true across aluminum and stainless steel. 

Can you get both sizes with GPS and cellular?

Yes, you can get both the 41mm and 45mm in both GPS and cellular. 

Are watch bands interchangeable between sizes?

Unfortunately, watch bands are not interchangeable between the 41mm and 45mm sizes. 

How many different colors are available for the Apple Watch?

Depending on which style you select, you may have upward of 5 different colors to choose from. 

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