Highlights

A woman is looking at the mirror and flexing her muscles while wearing a Galaxy Watch4 device and holding a Galaxy Z Flip3 5G in her right hand.

Body Composition Analysis

A swimming icon is highlighted and a woman is swimming in a pool while wearing a Galaxy Watch4 device. Two women and one man are enjoying a bicycle ride on a sunny day while wearing Galaxy Watch4 devices. A man is getting ready for a workout while wearing a black Galaxy Watch4 device on his wrist.

Auto Workout Tracking

There are three Galaxy Watch4 devices. The middle is in a green color and is showing its front watch face that has the number eight displayed. On th left is a silver Galaxy Watch4 showing the button side. On the right is a pink gold Galaxy Watch4 showing the opposite side.

Sleek and Lightweight Design

Specifications

  • CPU Speed

    1.18 GHz

  • ROM Size (GB)

    16

  • Weight

    25.9 g

  • Battery Capacity (mAh, Typical)

    247

  • Infra

    Bluetooth, Wi-Fi

  • Audio Playing Format

    MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB

  • Location Technology

    GPS, Glonass, Beidou, Galileo

  • Wi-Fi

    802.11 a/b/g/n 2.4+5 GHz

  • NFC

    Yes

  • Bluetooth Version

    Bluetooth v5.0

  • Bluetooth Profiles

    A2DP, AVRCP, HFP, HSP

  • Wear OS Powered by Samsung

  • Technology (Main Display)

    Super AMOLED

  • Screen Size (Main Display)

    1.2" (30.4 mm)

  • Resolution (Main Display)

    396 x 396

  • Colour Depth (Main Display)

    16 M

  • CPU Speed

    1.18 GHz

  • CPU Type

    Dual-Core

  • Memory (GB)

    1.5

  • Storage (GB)

    16

  • Available Storage (GB)

    7.6

  • Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Optical Heart Rate Sensor, Electrical heart sensor, Bioelectrical Impedance Analysis Sensor

  • Body Dimension (HxWxD, mm)

    40.4 x 39.3 x 9.8 mm

  • Body Weight (g)

    25.9 g

  • Battery Capacity (mAh, Typical)

    247

  • Removable

    No

  • Usage Time (Hours, AOD Off)

    up to 40 Hours

User manual & downloads

User Manual (OS 5.0)

ver 1.0 | 4.52 MB

Dec 03. 2024

FRENCH

User Manual (OS 5.0)

ver 1.0 | 4.26 MB

Dec 03. 2024

ENGLISH

User Manual (OS 5.0)

ver 1.0 | 4.49 MB

Dec 03. 2024

KOREAN

User Manual

ver 1.0 | 11.56 MB

May 27. 2024

ENGLISH

Product support

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Product support

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Features and Specifications are accurate as of commercial launch but may be subject to change without prior notification. All specifications and descriptions provided herein may be different from the actual specifications and descriptions for the product. Samsung reserves the right to make changes to this web page and the product described herein, at anytime, without obligation on Samsung to provide notification of such change. All functionality, features, specifications, GUI and other product information provided in this web page including, but not limited to, the benefits, design, pricing, components, performance, availability, and capabilities of the product are subject to change without notice or obligation. The contents within the screen are simulated images and are for demonstration purposes only. Images are for illustration purposes only and the accessories are sold separately.

**User memory is less than the total memory due to storage of the operating system and software used to operate the device features. Actual user memory will vary depending on the operator and may change after software upgrades are performed.

Images are for illustration purposes only and the accessories are sold separately. Features and Specifications are accurate as of commercial launch but may be subject to change without prior notification.

The actual capacity (Wh) is measured based on the battery's output current and voltage. It may differ from the capacity (Wh) indicated on the device, depending on the output power condition, the connected device’s circuit configuration, and the operation environment.

The Galaxy Watch4 series only works with Android devices. Compatible with Android 6.0 (M OS) or higher, RAM 1.5GB above. Not compatible when your phone doesn't support Google Mobile Service.

*Reference to thickness does not include the Optical heart rate sensor or Electrical biosensors. Measures up to 11.9mm with sensors included.

*Specified weight references the case only and does not include the weight of the band. The 44mm model weighs up to 53.3g with Sport Band in size M/L installed. The 40mm model weighs up to 47.9g with Sport Band in size S/M installed.