Difference Between 40mm and 44mm Apple Watch

Apple Watch is, without a doubt, the most popular wristwatch on the market right now. It also has one of the largest digital clock displays. Apple announced new standard sizes for watches with the Series 4 and Series 5: 40mm and 44mm. Compared with the previous Series 3, the screen space of both models has increased by 30%. Except for their sizes, the Apple Watch 40mm and the Apple Watch 44mm are almost similar, with the same hardware and software.

40mm vs 44mm Apple Watch

The main difference between the 40mm and 44mm Apple Watch is that The 44mm Apple Watch has a bigger battery and a longer battery life than the 40mm Apple Watch, while the 40mm Apple Watch has slightly shorter battery life. This is the most important factor to consider, i.e., battery life.

40mm and 44mm Apple Watch

The 40mm Apple Watch Series has a slightly bigger screen than the 38mm Apple Watch Series. However, this is mostly due to the larger display. This style is ideal for smaller wrists as well as the wallet. It is not much expensive. It is the only size that consists of a modern buckle. It is smaller in size, and battery life is slightly less.

The 44mm Apple Watch is the company’s largest model to date, replacing the 42mm versions seen on Apple Watch Series 1 through 3. The model with the most official bands is this one. It has more properties and a longer battery life with a bigger battery. It is more expensive and also big for some.

Comparison Table Between 40mm and 44mm Apple Watch

Parameters of Comparison40mm Apple Watch44mm Apple Watch
Display Area759 square mm977 square mm
Display Size394 x 324 pixels448 x 368 pixels
Dimensions40 x 38 x 10.7 mm44 x 38 x 10.7 mm
Wrist Size130-200mm (5.1-7.9 inches)140-220mm (5.5-8.7 inches)
Weight40mm = 50g(Lightweight)44mm = 55g(Heavy Weight)

What is 40mm Apple Watch?

The 40mm height of the smallest of the two Apple Watch models. The variations in size between the Apple Watch Series models may not appear to be many at first.3-4mm here and there, but 4mm is one-tenth of the Apple Watch’s size out of 40mm. It’s tough to compare the Apple Watch to a typical circular watch because of its rounded rectangular shape.

None of the Apple Watches would be regarded as overly wide or high in the traditional watch industry. For smaller wrists, the 40mm is more comfortable. The Apple Watch 40mm has a 394×324 pixel display. Hermes Single Tour (in certain colors), Hermes Double Tour, and Modern Buckle are all 40mm-specific bands.

The Apple Watch Series 3 features a slightly bigger display than the 40mm Apple Watch, although this is primarily owing to the larger display. This design is perfect for smaller wrists and wallets. It is reasonably priced. It’s the only size with a modern buckle. It’s a smaller device with shorter battery life.

What is 44mm Apple Watch?

Apple measures the Apple Watch. The vertical series is different from standard watches that measure the case size horizontally. The larger of the two Apple Watch versions has a height of 44 mm. At a normal viewing distance, the pixels are undetectable to the human eye, resulting in Retina-quality images. With a 448×368 pixel display on the 44mm model, the larger Apple Watch boasts more of them.

The Apple Watch casing, unlike typical mechanical or digital timepieces, must accommodate a Retina display, a system-in-package (chipset), a battery, and sensors. The 44mm Apple Watch replaces the 42mm version on Apple Watch Series 1 to 3. This is the model with the most official bands. With a larger battery, it has more characteristics and longer battery life. It costs more and is too big for some people.

People, like tastes, come in a variety of forms and sizes. Some women like the larger Apple Watch, while others like the smaller one. People with little wrists will prefer the bigger watch, while those with larger wrists would choose the smaller watch. All of this suggests that you should purchase the size you desire. Hermes Single Tour (certain colors), Leather Loop, and Hermes Single Tour Deployment Buckle are all 44mm bands.

Main Differences Between 40mm and 44mm Apple Watch

  1. The display area of a 40mm apple watch is 759 square mm, whereas the display area of a 44mm apple watch is 977 square mm.
  2. The display size of a 40mm apple watch is 394 x 324 pixels, whereas the display size of a 44mm apple watch is 448 x 368 pixels.
  3. The dimensions of a 40mm apple watch are 40 x 38 x 10.7, whereas the dimension of a 44mm apple watch is 44 x 38 x 10.7 mm.
  4. The wrist size of a 40mm apple watch is 130-200mm (5.1-7.9 inches), whereas the wrist size of a 44mm apple watch is 140-220mm (5.5-8.7 inches).
  5. The weight of a 40mm apple watch is 40mm = 50g (Lightweight), whereas the weight of a 44mm apple watch is 44mm = 55g (Heavy Weight).


Aside from the casing and display size differences, the two have the same hardware and software characteristics. Both were made to accommodate a certain wrist size—the 40mm for smaller wrists and the 44mm for bigger wrists. However, this does not imply that pick one over the other only on the basis of that criteria. The 44mm is undoubtedly simpler to operate and read thanks to its bigger screen.

However, depending on how the watch is being, it might not spend much time going through alerts, so the smart features will work just as well with the 40mm model. Choosing between Apple Watch models will come down to two factors: how it feels on the wrist and how it looks. It’s a watch, after all, and one will be wearing it. Given that they have similar qualities choose the model that fits the best and that looks best.


  1. https://eric.ed.gov/?id=EJ1231815
  2. https://ieeexplore.ieee.org/abstract/document/9450512/
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