Samsung Galaxy Watch 4 Bluetooth vs LTE – Which Model is Right For You?

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The Galaxy Watch 4 and Galaxy Watch 4 Classic are the newest smartwatches from Samsung. Both smartwatches come in two sizes and each of these sizes is available in LTE and Bluetooth/WiFi models. While the Galaxy Watch 4 comes in 44mm and 40mm, the Galaxy Watch 4 Classic comes in 46mm and 42mm. One is a more compact smartwatch with a sporty appearance while the other is a classic watch with a traditional watch appearance. In this post, we’ll be comparing the difference between the Galaxy Watch 4 Bluetooth vs LTE model to help you decide which is the right choice for you.

Galaxy watch 4 Bluetooth vs LTE
Both models have the same features except for standalone capabilities of the LTE model

There is no significant difference between the 44mm and 40mm except for differences in sizes, battery life, and prices. In the same vein, the Bluetooth model has the same features as the LTE model except that the LTE model is a standalone smartwatch with cellular capabilities.

The new Samsung smartwatches run on Wear OS 3 out of the box and as well powered by a 5nm W920 chip which Samsung claims boasts a 20% increase in CPU performance and 10x increase in GPU performance. The storage capacity has been increased to 16GB and body composition measurement has also been added alongside a long list of health and fitness tracking features.

Now, let’s talk about the differences between the Bluetooth and LTE models of the Galaxy Watch 4. Note that this comparison features the 44mm size of the Galaxy Watch 4. The 40mm size is also available in Bluetooth and LTE.

Samsung Galaxy Watch 4 Bluetooth vs LTE: Full Specifications Comparison

Product Info
Samsung Galaxy Watch 4 full specs

Samsung Galaxy Watch 4 (44mm) (LTE) Full Specifications, Features, Price, Pros and Cons

Samsung Galaxy Watch 4 (44mm) Full Specifications, Features, Price, Pros and Cons

Price $177.59 $140.25
Device name Samsung Galaxy Watch 4 (44mm) (LTE) Samsung Galaxy Watch 4 (44mm)
Device type Fitness/Classic/Standalone smartwatch Fitness/Sport smartwatch
Gender Unisex, Women Unisex, Women
Release date August, 2021 August, 2021
Predecessor Samsung Galaxy Watch Active 2 Samsung Galaxy Watch Active 2
Versions Bluetooth/WiFi only, LTE Bluetooth/WiFi only, LTE
Dimension 44.4 x 43.3 x 9.8 mm 44.4 x 43.3 x 9.8 mm
Weight 30g (excluding straps) 30g (excluding straps)
Shape Circular Circular
Case material Armor Aluminum Armor Aluminum
Strap material Fluoroelastomer, Hybrid leather Fluoroelastomer, Hybrid leather
Bezel material Armor Aluminum Armor Aluminum
Strap size 22 mm 22 mm
Screen protection Corning Gorilla glass DX+ Corning Gorilla glass DX+
Water resistance Yes, 5ATM Yes, 5ATM
Durability test MIL-STD-810G MIL-STD-810G
Swim-proof Yes, recommended Yes, recommended
Color Black, Green, Silver Black, Green, Silver
Display size 1.4 inches 1.4 inches
Display type Super AMOLED, Full color Super AMOLED, Full color
Display resolution 450 x 450 450 x 450
Pixel density 454.5 PPI 454.5 PPI
Always on Yes Yes
Custom watch face Yes Yes
Input type 2 Physical buttons, Physical rotating bezel, Touchscreen 2 Physical buttons, Physical rotating bezel, Touchscreen
Bluetooth Bluetooth v5.0 Bluetooth v5.0
Bluetooth calling Yes Yes
GPS A-GPS/GLONASS/Beidou/Galileo A-GPS/GLONASS/Beidou/Galileo
NFC Yes Yes
Wi-Fi Yes, Wi-Fi 802.11 a/b/g/n/ac Yes, Wi-Fi 802.11 a/b/g/n/ac
RAM 1.5GB 1.5GB
Memory card slot No No
Technology GSM / HSPA / LTE None
SIM type e-SIM None
Band No
SMS alert Yes Yes
Calls alert Yes Yes
Email alert Yes Yes
Event reminder Yes Yes
Third-party apps alert Yes Yes
Audio mp3/mp4 mp3/mp4
Bluetooth music Yes Yes
Loudspeaker Yes Yes
Microphone Yes Yes
Camera No No
Radio No No
Accelerometer Yes Yes
Altimeter Yes Yes
Ambient light Yes Yes
Barometer Yes Yes
Compass Yes Yes
ECG Yes Yes
Gyroscope Yes Yes
HRM Yes Yes
Pulse oximeter (SpO2) Yes Yes
Thermometer No No
Other sensors BIA sensor BIA sensor
Blood oxygen Yes Yes
Blood Pressure Yes Yes
Calories Yes Yes
Distance Yes Yes
ECG tracking Yes Yes
Heart rate monitoring Yes Yes
Sleep tracking Yes Yes
Steps Yes Yes
Floors climbed - -
Stress Yes Yes
Incidental fall detection Yes Yes
Menstrual cycle No No
VO2 Max Yes Yes
Swim-tracking Yes Yes
Underwater heart rate tracking
On-screen workout Yes Yes
Sport modes 90 90
Battery type Non-removable Li-ion battery Non-removable Li-ion battery
Battery capacity 361mAh 361mAh
Battery life ~2 days ~2 days
Charging type Charging dock, WPC based wireless charging Charging dock, WPC based wireless charging
Charging time 1-2 hours 1-2 hours
Solar power No No
Chipset Exynos W920 Exynos W920
CPU 1.18GHz Dual-core (Cortex-A55) 1.18GHz Dual-core (Cortex-A55)
GPU Mali™-G68 MP2 Mali™-G68 MP2
Operating system Wear OS/Tizen Wear OS/Tizen
Companion app Samsung Health App Samsung Health App
Compatibility Android 6.0+, RAM 1.5GB+ Android 6.0+, RAM 1.5GB+
Payment system Samsung Pay Samsung Pay
Interchangeable strap 22 mm, Yes 22 mm, Yes
Voice command Google Assistant, Yes, Bixby Google Assistant, Yes, Bixby
Find my phone Yes Yes
Box content Charger, Manual, Samsung Galaxy Watch 4, Straps Charger, Manual, Samsung Galaxy Watch 4, Straps
Price $177.59 $140.25

Samsung Galaxy Watch 4 Bluetooth vs LTE Prices -The Bluetooth model is cheaper

The Bluetooth model is cheaper

Starting with the Prices, the LTE model is priced higher as a result of its standalone capabilities. The 40mm Bluetooth model costs $249.99, while the 44mm Bluetooth model costs $279.99.

On the other hand, the 40mm LTE model costs $299.99, while the 44mm LTE model costs $329.99. So, you’ll have to pay extra more to get the LTE model.

Cellular Connectivity/Standalone Capabilities – The LTE model is a standalone smartwatch

The LTE model comes with eSIM that enables you make calls and receive messages independent of a smartphone

The main difference between the LTE and Bluetooth models is the presence of an eSIM in the LTE model. This enables standalone capabilities like being able to make and receive calls independent of a smartphone. It can also receive messages, and you can install apps directly on the watch independent of a smartphone.

You can do all these with the Bluetooth model, but your phone must be nearby to make and receive calls and receive messages or to install apps.

It’s about the added freedom that comes with the LTE model. So, if you’re looking for a smartwatch that allows you to receive messages, make and receive calls without carrying your phone along, then the LTE model will suffice.

Galaxy Watch 4 LTE Carriers – Which Carriers are Supported? – A total of four models serve the globe

A total of four LTE models are available.

Before you decide to purchase the LTE model of the Galaxy Watch 4, you want to be sure that you’re buying the right model for your region. To do this head over to the Samsung Galaxy Watch 4 carrier list to confirm the right model for your region.

There are a total of four models for the whole world. These are 44mm: SM-875U, SM-875F, SM-875N, and SM-895, while that of the 40mm: SM-865U, SM-865F, and SM-865N.

SM-875U and SM-865U are the supported models in the US with T-mobile, AT&T, Verizon, and US cellular as supported carriers. Be sure to also confirm from your network provider what plans are available for the Galaxy Watch 4 LTE model.

Battery Life – Same battery life except when LTE is turned on

It’s the same battery capacity for both models. However, it’s expected that when you turn on LTE on the LTE model, the battery life will be shorter. Otherwise, you can also get up to 2 days of battery life with the 44mm size or just over a day of battery life with the 40mm size.

Does the LTE Model Work Without Cellular Connectivity?

This is one question we have received from our audience. Yes, you can use the LTE model just like the Bluetooth model. Go to settings in the watch menu and turn off LTE to use the device as the Bluetooth model. They are the same devices except for the LTE connectivity.

Samsung Galaxy Watch 4 Features

Both models of the Galaxy Watch 4 have the same armor aluminum case paired with fluoroelastomer or hybrid leather straps. The straps can be swapped with 20mm standard straps for the 40mm or 22mm for 44mm. Both models also have an AMOLED display as well as two physical buttons, a touchscreen, and a digital rotating bezel for effortless navigation.

Both models are also equipped with loads of activity tracking features such as tracking your steps, floors climbed, distance covered, sleep, heart rate, SpO2 blood oxygen, ECG, blood pressure, and the newly added body composition measurement. There are over 90 preloaded sport modes to choose from and each of these also has an inbuilt GPS for outdoor activity tracking.

  • Has a 1.4 inches always-on display powered by super AMOLED. Navigation is via touchscreen support, 2 physical buttons and a digital rotating bezel.
  • Case is made of armor aluminum, bezel is also made of armor aluminum while straps are made of fluoroelastomer.
  • It is available in black, green and silver colors.
  • Rated 5ATM (50 meters) Swim-proof and you can eject water from the loudspeaker after immersion in water.
  • Watch face is interchangeable, and you can select from preloaded watch faces or choose more from the app store.
  • Rugged smartwatch with MIL-STD-810G- US military grade rating for shock.
  • Equipped with 16GB storage capacity allowing you store your favourite tracks. You can also stream music from popular services like Spotify. To get best music experience, connect a headphone.
  • It is equipped with both a microphone and loudspeaker.
  • Features voice assistant like Google Assistant and Bixby by Samsung that will allow you use your voice to do simple tasks.
  • Features on-the-go non-contactless payment with Samsung pay. Google Pay is expected to also be available in the future.
  • LTE model is a standalone smartwatches that allows you make and receive calls and receive messages independent of a smartphone.
  • Keeps you connected to all that matters to you like email, SMS, reminders, weather forecast, unlock phone, music playback on phone, remote camera control and notifications from third-party apps are beamed to your watch.
  • Equipped with 1.5GB RAM and a new 5nm W920 Exynos chip which according to Samsung enables 20% faster CPU and 10x faster GPU performance.
  • Will run on the new Wear OS/Tizen operating system out of the box. It’s an overhauled OS with Samsung’s One UI 3.0 interface that enables better user experience plus access to more apps.
  • Its compatible with Android 6.0 or higher, RAM 1.5GB above

Samsung Galaxy Watch 4 (44mm) Fitness Tracking Features

  • It will continuously track all the basic such as your steps, calories, distance and floors climbed.
  • Comprehensively tracks your sleep in four stages; light, deep, awake and REM.
  • Comprehensively tracks your heart rate continuously, and will show your average, maximum and resting heart rate.
  • Allows you to measure your stress level and can help you manage stress via guided breathing sessions.
  • There is an electrical heart sensor that will allow you take ECG tracking for irregular heart rhythms and can help you detect atrial fibrillations.
  • Features blood pressure monitoring that allow you to easily measure your blood pressure directly from the watch. You must calibrate the Galaxy Watch 4 Classic with a traditional cuff to get the best result. You will need to install the Samsung Health Monitor app to do this.
  • There are about 90 preset workout modes for you to choose from with the ability to auto detect and track 7 of these.
  • It features Spo2 measurement, a feature that allows you to measure your blood oxygen directly from the watch.
  • Features incidental fall detection that will call preset emergency contacts when the Galaxy Watch 4 Classic detects a hard fall. It also features SOS emergency feature that allow you set emergency contacts the watch will auto call when you press the home button three times. It will also send messages to a preset emergency contact with your location.
  • Tracks your fitness level and show your VO2 Max. after working out outdoors.
  • There is the hand washing app that will remind to wash your hands regularly for 20 seconds.
  • New: Features Bioelectrical Impedance Analysis (BIA) that will allow you measure your body composition. It will measure your body fat, body water, skeletal muscle mass and BMI.


  • Compact, premium, stylish and lightweight design.
  • A comprehensive fitness smartwatch.
  • 16GB onboard music storage.
  • Loudspeaker and microphone inbuilt.
  • A rugged and durable device certified MIL-STD-810G.
  • Has physical rotating bezel for easy navigation.
  • Wear OS gives you access to more apps.
  • Great performance with Exynos W920 and 1.5GB RAM.
  • A standalone smartwatch


  • Battery life is short.
  • Not compatible with iOS devices.
  • ECG, blood pressure and BIA might not work with non-Samsung phones.

Samsung Galaxy Watch 4 Bluetooth vs LTE – Which Model is Right For You?

Obviously, the LTE is a better smartwatch. It’s a more comprehensive smartwatch that allows you to make calls and receive messages independent of a smartphone. However, it will cost you more money.

This is why the Bluetooth model is a more popular choice among the populace. It’s cheaper, yet offers the same features as the LTE model but will require you to carry your phone along if you want to make and receive calls.

So, it’s up to you to decide if you really want the extra features that come with the LTE model and if you can afford the extra cost which also includes the cost of a data subscription for the watch.

Samsung Galaxy Watch 4 Prices