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Samsung Galaxy Watch 4 (40mm) vs (44mm) – Which Size is Right For You?

Samsung Galaxy Watch 4 (40mm) vs (44mm)
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The new Samsung smartwatches, Galaxy Watch 4 and Galaxy Watch 4 Classic come in two sizes: 40/44mm and 42/46mm respectively. Each of these sizes is also available in Bluetooth and LTE models. This is just like older Galaxy watches which are all available in two sizes and models. The purpose behind this is to give you the consumer more options to choose the right size for you. So, in this post, we want to help you choose the right size for you between the 40mm and 44mm sizes of the Galaxy Watch 4.

The main difference between the 40mm and 44mm is the size, battery life, and price. The 44mm has a bigger display size that lets you see more at a glance, yet is very compact. It also has a slightly longer battery life, but will cost you more.

Samsung Galaxy Watch 4 (40mm) vs (44mm) Full Specifications Comparison

Samsung Galaxy Watch 4 (40mm) (LTE)Samsung Galaxy Watch 4 (44mm) (LTE)
Samsung galaxy watch 4 (40mm) full specifications, features and pricesSamsung galaxy watch 4 (44mm) full specifications, features and prices


Device nameSamsung Galaxy Watch 4 (40mm) (LTE)Samsung Galaxy Watch 4 (44mm) (LTE)
Device typeSport/Fitness/Standalone smartwatchSport/Fitness/Standalone smartwatch
PredessesorSamsung Galaxy Watch Active 2Samsung Galaxy Watch Active 2
SuccessorGalaxy Watch 5Galaxy Watch 5
Released dateAugust, 2021August, 2021
Ideal forWomenUnisex


Display typeSuper AMOLED
Full color
Full color
Display size1.2 inches1.4 inches
Display resolution396 x 396 pixels450 x 450 pixels
Pixel density466 PPI454 ppi
Input typeTouchscreen,
2 physical buttons
Digital rotating bezel
2 physical buttons
Digital rotating bezel
Customizable watch faceYesYes


Dimension40.4 x 39.3 x 9.8 mm44.4 x 43.3 x 9.8mm
Weight26 grams
(excluding straps)
30 grams
(excluding straps)
Casing materialArmor aluminumArmor aluminum
Strap/band materialFluoroelastomer
Hybrid leather
Hybrid leather
Bezel MaterialArmor aluminumArmor aluminum
Strap size18mm20mm
Interchangeable band Yes, 18mmYes, 20mm
Screen protectionCorning Gorilla glass DX+Corning Gorilla glass DX+
Water resistant/ProtectionYes, IP68, 5ATM
Yes, IP68, 5ATM
Swim-proofYes, recommendedYes, recommended


Internal storage16GB16GB
Memory card slotNoNo


BluetoothBluetooth v5.0Bluetooth v5.0
Bluetooth callingYesYes
Payment systemSamsung Pay
Google Pay
Samsung Pay
Google Pay


SIMYes, e-SIMYes, e-SIM
BandGSM 850/900/1800
WCDMA B1/2/5
GSM 850/900/1800
WCDMA B1/2/5


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


Sleep apneaNoNo
Sleep trackingYesYes
Floors climbedYesYes
Heart rate monitoringYesYes
VO2 Max.YesYes
Blood oxygenYesYes
Blood pressureYesYes
Menstrual cycle trackingYesYes
Swim trackingYesYes
Under-water heart rate trackingYesYes
Preloaded mapsYesYes
On-screen workout modes____
Triathlon modeYesYes
ECG TrackingYesYes
Preloaded sport modesYes, 90Yes, 90
Safety trackingYesYes


Music streamingYesYes
Bluetooth musicYesYes



Operating system (OS)Wear OS 3.5Wear OS 3.5
ChipsetExynos W920Exynos W920
CPUDual core 1.18GHzDual core 1.18GHz
GPUMali -G68 MP2Mali -G68 MP2


Type of batteryNon-removable Li-ion batteryNon-removable Li-ion battery
Battery capacity 247mAh361mAh
Battery lifeMixed Usage: 1 day+Mixed Usage:up to 2 days
Charging typeCharging dock
Wireless charging
Charging dock
Wireless charging
Charging timeAbout 1-2 hoursAbout 1-2 hours
Battery saver modeYesYes
Solar powerNoNo
Rapid chargingNoNo




Control cameraYesYes
Music controlYesYes
Find phoneYesYes


Compatibility Android 6.0+, RAM 1.5GB+Android 6.0+, RAM 1.5GB+
Companion appSamsung Wearable appSamsung Wearable app
Voice commandYesYes


Samsung Galaxy Watch 4 (40mm) (LTE)Samsung Galaxy Watch 4 (44mm) (LTE)
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

Difference Between Samsung Galaxy Watch 4 (40mm) and (44mm)

  • Design – Both smartwatches are very compact, but the 40mm is more compact
  • Both sizes have the same armor aluminium case material, Corning Gorilla Glass DX+ protection and fluoroelastormer or leather straps.

    However, the 40mm is a more compact and comfortable smartwatch with 40.4 x 39.3 x 9.8mm dimension and weighs only 26g. Meanwhile, the 44mm has a 44.4 x 43.3 x 9.8mm dimension and weighs just 30g. Nevertheless, you can see that each of these two is very slim, compact, and very comfortable to wear.

    Galaxy Watch 4 (44mm) – Color variants

    The available colors are different. The 44mm is available in black, silver, and green while the 40mm is available in black, silver, and pink-gold.

    Galaxy Watch 4 (40mm) is available in three colors

    Galaxy Watch 4 (40mm) – Color variants

  • Display – The 44mm has a bigger display size
  • Although both devices display are powered by super AMOLED that offer rich depth in colors, the 44mm has a larger display size of 1.4 inches that allow you to see more at a glance. While the 40mm has a 1.2 inches display. This is not too small considering that it’s the average display size for most smartwatches we have seen.

  • Battery Life
  • The 44mm comes with a higher battery capacity that lets you go longer than the 40mm from a single charge. The 44mm has a 361mAh battery capacity which can get you up to 2 days battery life unlike the 40mm which has a 247mAh battery capacity that will get you just over a day of battery life. In whichever case, if you wish to wear the Galaxy Watch 4 to sleep then you should endeavor to charge at least once every day.

    You can elongate the battery life of the Galaxy Watch 4 by reducing the display brightness, turn off the always-on display mode, reduce the number of notifications, turn off WiFi and location tracking when not in use. There are also battery saver modes that you can choose from to get a little longer battery life with the Galaxy Watch 4.

  • Prices – The 40mm size is cheaper
  • Because of the larger display size and longer battery life of the 44mm size, it is priced higher than the 40mm size. The 40mm size Bluetooth model costs $249.99, while the 44mm Bluetooth model costs $279.99. As per the LTE models, the 40mm LTE model costs $299.99, while the 44mm LTE model costs $329.99.

Galaxy Watch 4 – What’s New?

  1. Galaxy Watch 4 Runs on Wear OS 3 – Gives you access to more apps
  2. The new Samsung smartwatches run on Wear OS 3 out of the box marking a return to the platform that powered the Gear Live smartwatch. So, you’re getting access to more of your favorite apps which is something the Tizen platform lacks.

  3. New Chip! Exynos W920 Powers the Galaxy Watch
  4. Another new feature is that the Galaxy Watch 4 and Classic are powered by a 5nm Exynos W920 chip which succeeds Exynos 9110 that powers the Galaxy Watch 3 down to Galaxy Watch. According to Samsung, the new chip accounts for a 20% increase in CPU performance and a 10x increase in GPU performance. So, you can expect a faster smartwatch.

  5. Bioelectrical Impedance Analysis (BIA) Sensor Added
  6. There is also the new Bioelectrical impedance analysis (BIA) Sensor that will allow you to measure your body composition. It will measure your skeletal muscle mass, body fat, body water, and Basal Metabolic Index. These are features that can help you know your body better and as such can also help you plan better workouts and diet.

    In addition to these new health-tracking features are loads of other health tracking features like sleep tracking, heart rate tracking, ECG, blood pressure, and blood oxygen measurement.

  7. Higher Storage Capacity
  8. The storage capacity has also been increased to 16GB. This is more storage capacity for storing and streaming your favorite tracks.

    40mm or 44mm – Which Size is Right For You?

    It all depends on your wrist size. You definitely want a watch that sits perfectly well on your wrist without being too small or too big for your wrist. Both sizes of the Galaxy Watch 4 are very compact, in fact, these are some of the most compact smartwatches we have seen. In this regard, the 44mm will make a perfect fit for most individuals. However, the 40mm size is recommended for individuals with very thin wrist.

    You can also measure the width of your wrist-ankle with a tape and compare it to the two sizes to get the best fit for you.

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3 thoughts on “Samsung Galaxy Watch 4 (40mm) vs (44mm) – Which Size is Right For You?”

  1. I have been looking for a smartwatch that I can use to track my activity and the Samsung Galaxy Watch 4 was just what I needed. It does everything that it’s supposed to do and more! The watch comes with an incredible app called S Health, which tracks your steps, distance traveled, calories burned as well as other health-related data. This watch is also waterproof so you can swim with it without having to worry about damaging it or breaking it in any way. If you’re looking for a great fitness tracker then this is definitely the best choice out there!

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