Skip to content

Apple Watch Series 5 (44mm) vs (40mm) – What’s the Difference?

Like this post? Please share it...

Apple Watch Series 5 is the new successor to the now discontinued Watch 4 that was released about a year ago. The new Watch 5 comes in two sizes; 40mm and 44mm. These two are available in both GPS only and GPS+Cellular editions, and both have the same appearance except for the difference in which is aimed at giving Apple watch fans options to choose their preferred size. In this comparison, we compare the Apple Watch Series 5 (44mm) vs (40mm) specs and features, so you know the differences and which is right for you.

Check out the new Apple Watch Series 6 – Its a beast!

Apple Watch Series 5 (44mm) vs (40mm) Specifications Compared

Apple Watch Series 5 (44mm) (GPS)Apple Watch Series 5 (40mm) (GPS)
apple watch series 5 (44mm) specsapple watch series 5 (40mm)


Device nameApple Watch Series 5 (44mm) (GPS) (disconitnued)Apple Watch Series 5 (40mm) (GPS) (discontinued)
Device typeSport/Fitness smartwatchSport/Fitness smartwatch
PredessesorApple Watch Series 4Apple Watch Series 4
SuccessorApple Watch Series 6Apple Watch Series 6
Released dateSeptember, 2019September, 2019
Ideal forUnisexUnisex


Display size1.78 inches (44mm)1.57 inches (40mm)
Display resolution448 x 368 pixels (44mm)324 x 394 pixels (40mm)
Pixel density----
Input typeTouchscreen
1 button plus
Digital Crown with haptic feedback
1 button plus
Digital Crown with haptic feedback
Customizable watch faceYesYes


Dimension44 x 38 x 10.7 mm (44mm)
40 x 38 x 10.7 mm (40mm)

40 x 38 x 10.7 mm (40mm)

Weight36.1 g (Non-LTE)30.1 g (Non-LTE)
Casing materialAluminumAluminum
Strap/band materialElastomerElastomer
Bezel MaterialCeramicsCeramics
Strap size125 - 210mm125 - 210mm
Interchangeable band YesYes
Screen protectionSapphire crystal glassSapphire crystal glass
Water resistant/ProtectionYes, IP68, 5ATMYes, IP68, 5ATM
Swim-proofYes, recommendedYes, recommended


Internal storage32GB32GB
Memory card slotNoNo


BluetoothBluetooth v5.0Bluetooth v5.0
Bluetooth callingYesYes
Payment systemApple PayApple Pay




Email alertYesYes
SMS alertYesYes
Calls alertYesYes
Event reminderYesYes
Third-party appsYesYes
Text responseYesYes


Sleep apneaNoNo
Sleep trackingYes (Third-party app)Yes (Third-party app)
Floors climbedYesYes
Heart rate monitoringYesYes
VO2 Max.YesYes
Blood oxygenNoNo
Blood pressureNoNo
Menstrual cycle trackingYesYes
Swim trackingYesYes
Under-water heart rate trackingNoNo
Preloaded mapsYesYes
On-screen workout modesNoNo
Triathlon modeYesYes
ECG TrackingYesYes
Preloaded sport modesYesYes
Safety trackingYesYes


Music streamingYesYes
Bluetooth musicYesYes



Operating system (OS)WatchOS 6.0WatchOS 6.0
ChipsetApple S5, 64bitApple S5, 64bit
CPUDual coreDual core


Type of batteryNon-removable Li-ion batteryNon-removable Li-ion battery
Battery capacity ----
Battery lifeStandby:2 days+
Mixed usage: 18 hrs+
Standby:2 days+
Mixed usage: 18 hrs+
Charging typeMagnetic chargingMagnetic charging
Charging timeAbout 1-2 hoursAbout 1-2 hours
Battery saver modeYesYes
Solar powerNoNo
Rapid charging__




Control cameraYesYes
Music controlYesYes
Find phoneYesYes


Compatibility iPhone 5s+
iOS 12+
iPhone 5s+
iOS 12+
Companion appApple watch APPApple watch APP
Voice commandYesYes


Apple Watch Series 5 (44mm) (GPS)Apple Watch Series 5 (40mm) (GPS)
Magnetic charging cable + USB adapterMagnetic charging cable + USB adapter
Quick start guideQuick start guide
NOTE: We can't guarantee that all the information on this table are 100% correct. Read full disclaimer. Please, report an error.
Official SiteOfficial Site

Apple Watch Series 5 (44mm) vs (40mm) – The Difference

The difference between the 40mm and 44mm models is that the former is bigger with a wider display than the later. However, the 40mm being smaller weighs slight less than the 44mm model.

Both models of the Watch 5 comes in a highly sophisticated aesthetics that leaves each of these two with an attractive and classy appearance that defines a premium smartwatch.

The 44mm model with a bigger case size has a wider display that lets you see more at a glance than the 40mm model with a smaller 1.57 inches display. Thickness size is the same at 10.7mm which is one of the slimmest smartwatches on the market, slimmer than Active 2 and Versa 2 – the two new smartwatches from Samsung and Fitbit respectively.

Although each of the two models spots a lightweight design, the 40mm being smaller with 36g (aluminum) weighs slightly less than the 44mm weighing 42g.

Beyond the different sizes and weights, every other feature is the same. Same LTPO AMOLED powers both devices offering a rich display, the touchscreen is supported and a digital crown button with hepatic feedback by the side to aid navigation.

Lots of watch faces are available to choose, and they are even more beautiful now with better design.

Storage capacity has been increased to allow you to take more of your favorite files with you.
nd the new WatchOS 6 brings additional features such as high noise detection that alerts you when the sound becomes unhealthy for your hearing health. You can now access your favorite apps right on the Watch 5.

International emergency calling has been added to let you call respective emergency contacts almost anywhere in the world.

New activity tracking features include menstrual cycle tracking that let’s women log there period with the app which can help you detect changes. So also is the addition of compass that gives you more insight on your current location.

Apple Watch Series 3 vs 5: What’s the Difference?

Now that the Apple Watch 4 has been discontinued, and only a matter of time before it goes out of stock which then leaves us with the Watch 3 released 2 years ago as the next cheaper alternative to the Watch 5 that’ll be Apple’s flag bearer on the smartwatch market for the next one year or more. The table below shows the difference between the Apple watch series 5 vs 3.
[table “applewatch5vs3” not found /]

Apple Watch 5 Activity Tracking Features
  • Proactive heart rate monitoring that tracks your heart rate to give your detail insight on your heart rate variability.
  • Comprehensive sleep tracking.
  • Stress management, the Watch 5 can help you return to calm after a stressful day simply by taking a breathing session offered via the breath session app.
  • The Watch 5 tries to learn about your daily activities and is able to tell when it’s right to move, sit or exercise via the activity ring.
  • GPS is inbuilt in the Watch 5 with altimeter and compass which makes it a great choice for outdoor activity tracking.
  • Added cycling tracking app that lets you log your period. This feature comes very useful for women as it can help you detect changes that might go unnoticed. The Watch 5 joins the likes of the Versa 2 and Garmin’s Vivoactive 4 also featuring the menstrual cycle logging.
  • Added hearing tracking, the Watch 5 features hearing tracking that lets you know when the sound is too high and unhealthy. The new Noise app senses when the roar of the crowd or the rumble of machinery reaches a level that may pose a risk.
  • Added compass feature for better location orientation. The Watch 5 features a compass feature that accessible right on the watch face. It gives you more insightful coordinate details on your location.
  • Fall detection available on the Watch 4 is also present on the Watch 5. The watch 5 can detect when a fall has occurred and will send alert to a preset emergency contact. You can dismiss this action, but if you’re unresponsive after 60 seconds, a call is automatically placed. It’s one of the best safety features as seen also on the latest Garmin smartwatches.
  • ECG tracking first introduced to the Watch 4 is also available on the Watch 5. The Watch 5 lets you take instant ECG test simply by placing your thumb on the digital crown which reports in 30secs. This feature can help you detect atrial fibrillation – a form of irregular heart rhythm that can be fatal if left untreated.
  • Added international emergency calling. The cellular models of the older Apple watches were able to contact emergency, but now Apple has added international emergency calling that enables the Watch 5 to contact the respective emergency contacts almost anywhere in the world.

Which is Better?

Obviously, Apple Watch Series 5 in two different models tries to give smartwatch lovers options to choose their preferred size.
The smaller 40mm is a better choice for women and those with smaller wrist, while the bigger 44mm models is a better choice for men and those with slight fatter wrist.

Available Prices
[content-egg module=Amazon] [content-egg module=AE__amazoncom]