Samsung Galaxy Watch4 Smartwatch (44mm, Bluetooth/Wi-Fi, Black)

Model #SM-R870NZKAXAA

Samsung Warranty
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ON A BRAND NEW Samsung SM-R870NZKAXAA

MSRP: $239.00 ?

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Specifications

Physical

Watch Crystal Material Corning Gorilla Glass DX+
IP Rating IP68
Case Materials Aluminum
Weight 1.1 oz / 30.3 g (Watch and Band)
Case Dimensions 1.7 x 1.7 x 0.4" / 43.3 x 44.4 x 9.8 mm
Water Rating 5 ATM

Packaging Info

Package Weight 0.4 lb
Box Dimensions (LxWxH) 11.35 x 2.4 x 1.2"

General

Watch Operating System Wear OS (Android Wear)
Vibration Yes
Built-In Speaker Yes
Microphone Yes
Activity Tracker Yes
Sensors Accelerometer, Barometer, Compass, ECG, Gyroscope, Heart Rate, Light Sensor, Pulse Oximeter
Storage Capacity 16 GB
RAM 1.5 GB
Chipset Samsung Exynos W920

Display

Display Size 1.36" / 3.5 cm
Dial Type Digital
Pixel Density 330 ppi
Display Resolution 450 x 450
Display Technology OLED
Dial Shape Round

Connectivity

GPS Yes
Wi-Fi Wi-Fi 4 (802.11n)
Bluetooth 5.0
Bluetooth Protocol Bluetooth
Connectivity Bluetooth, Wi-Fi

Battery

Battery Capacity 361 mAh
Battery Life Normal Use: Up to 40 hours
Charging Method Wireless Charging
Expert Reviews
Pc magazine.34972991
17 August 2021
8.0/10

The high-end Galaxy Watch4 Classic features a stainless steel design and a rotating bezel backed by a better software experience and more third-party apps than previous Samsung smartwatches, though you can get a similar experience for $100 less with the standard Watch4 model.

  • +

    Attractive classic watch design, Rotating physical bezel for easy navigation, Bright, sharp display, Fast processor, Body fat and composition measurements, Tracks snoring, More third-party apps than previous Samsung watches

  • -

    Short battery life, Third-party app selection still trails Apple's watchOS

Phone arena.33710409
4 November 2021
7.8/10

The Wear OS-powered Galaxy Watch 4 acts as the perfect equivalent of an Apple Watch but for the Android ecosystem. However, although it's a great wearable that would fit just about anybody, the Galaxy Watch 4 fails to deliver in one key aspect that's ultimately the most important feature of a...

  • +

    Stylish design, Bright and vivid OLED display, Excellent health tracking, Wear OS is a great match, Good haptic feedback

  • -

    One-day battery life at best, Gimmicky capacitive rotating bezel, No Google Assistant support yet

Digitaltrends.32817928
30 August 2021
8.0/10

“The Galaxy Watch 4 has great health and fitness-tracking features in a comfortable build designed for smaller wrists.”

Wareable.34990518
3 September 2021
8.0/10

There's no doubting that the Galaxy Watch 4 is another solid smartwatch from Samsung. It's slick, looks good and performs well in most departments. This is supposed to be a Samsung smartwatch, with Google software flowing through it, but right now it feels very familiar.

  • +

    Nice, minimalist design, Good price, Feature packed, Slick performance

Indian express.35053876
16 September 2021
10/10

It’s a good question to ask. For me, the Samsung Galaxy Watch 4 is closer to the Apple Watch though it’s not there yet. But I am fine with it because the Watch 4 is anyway not compatible with the iPhone.

Android authority.32834153
11 April 2022
8.0/10

Even if you aren't a huge Samsung fan, you'll find a lot to like....

Techgearlab.35134285
23 December 2021
7.3/10

An incredible smartwatch for Samsung phone users but a little underwhelming when it comes to battery life

Lb tech reviews.35189534
23 September 2021
8.3/10

The Samsung Galaxy Watch 4 will now gradually become for Samsung's ecosystem what the Apple Watch is for iPhone users.

  • +

    Looks like and feels like a real watch. Nice and fast user interface based on the round dial. Comes with eSIM as well as lots of training functions and new health functions such as ECG and measurement of body composition.

  • -

    Blood pressure measurement requires calibration using the correct cuff blood pressure monitor. Unlike its predecessor, it does not support the iPhone, and you only get full functionality if you use a Samsung Galaxy mobile.

Pc magazine.34972991
20 August 2021
8.0/10

The Samsung Galaxy Watch4 is the best Android-compatible smartwatch for the price, offering the same specs and features as the Classic model for $100 less.

  • +

    Competitively priced, Bright, sharp display, Thinner than the Classic model, Fast processor, Wrist-based body fat and composition measurements, Tracks snoring, More third-party apps than previous Samsung watches

  • -

    One-day battery life, Third-party app selection still trails Apple's watchOS

Digitaltrends.32817928
23 August 2021
8.0/10

“The Galaxy Watch 4 Classic is a seriously capable smartwatch with comprehensive health-tracking features, slick One Watch UI software, and a mature, classy design that feels great on your wrist.”

User Reviews
Samsung.35106540
12 April 2022
8.0/10

I'm not really tech savvy so I don't use my watch for all the features that it offers, I mainly just wanted it to track my steps and workout. I wish there will be more options to respond automatically to messages, the keyboard is really small and hard to use.

Techgearlab.35134285
23 December 2021
10/10

The Samsung Galaxy Watch 4 is an incredible, top-tier smartwatch and another one of our favorite wearables. It is intuitive, has a wide array of smart functions and popular app support, and offers impressive fitness tracking features.

  • +

    User-friendly, Lots of smart functions, Great display

  • -

    Short battery life, Errors in step-counting

Sam s club.34820158
14 March 2022
10/10

I have been waiting for Samsung to come out with a watch that has an ECG and they finally did it. I'm 74 and fairly active helping my husband with the farm. The ecg works great and I'm very pleased with the rest of the apps on it. I especially like the bedtime and health apps.

Walmart.34443253
3 weeks ago
10/10

I use this with a galaxy s21 ultra. Mind you I am new to samsung. My husband purchased this watch for fitness. i use the heart rate tracker and the blood pressure. I also use the samsung health fitness workouts through blisslife.

Micro center.34865720
14 November 2021
10/10

If following instructions and best use for yourself it will suit any of your needs for: fitness, business, or casual use. Great new generation of watches from Samsung.

Bj s wholesale.35171532
28 December 2021
10/10

most days i forget I am even wearing this. it doesn't have a bezel but you can swipe to get to where you want to go.

Samsung.35106540
12 April 2022
8.0/10

I love all the features, and most of all that I don't have to carry my phone around with me when I'm doing things around the house.It's super convenient to be able to download my music onto my watch so that I'm not using battery life on my phone.

Sam s club.34820158
21 January 2022
10/10

So amazing i bought this on instant savings because i had to always use my ohone or a handheld because i needed to keep track of time but this watch is a whole other level of amazing like a breath of fresh air

Walmart.34443253
11 October 2021
4.0/10

I gotta say I do love this watch, the features are nice, the sleep tracker is amazing, as well as the stress measurement, the body composition measurement and many other things, and after owning it for a few days I've noticed a slight problem.

Micro center.34865720
3 February 2022
10/10

Great hardware, looks sleek, not too large. Great battery life I am getting 2.5-3 days without charging with fitness tracking.

Product Highlights
  • Up to 40 Hours of Battery Life
  • Bluetooth & Wi-Fi Connectivity
  • Sensors Measure ECG, SpO2 & BIA
  • Sleep Monitoring
  • Challenge Friends/Family to Stay Fit
  • Automatic Workout Tracking
  • Supports over 90 Exercises
  • 1.36" Super AMOLED
  • Sweat-Resistant Construction
  • Durable Armor Aluminum Construction
8.4/10
Average Expert Score
9.1/10
Average User Score
In The Box
  • Samsung Galaxy Watch4 Smartwatch (44mm, Bluetooth/Wi-Fi, Black)
  • Wireless Charger
  • Limited 1-Year Warranty
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