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Specifications

Design

Color
44mm
40mm
Armor Aluminum
LTE / Bluetooth

44mm

  • 44mm black Galaxy Watch4 with black strap
    Black
  • 44mm green Galaxy Watch4 with green strap
    Green
  • 44mm silver Galaxy Watch4 with silver strap
    Silver

40mm

  • 40mm black Galaxy Watch4 with black strap
    Black
  • 40mm pink gold Galaxy Watch4 with pink strap
    Pink gold
  • 40mm silver Galaxy Watch4 with white strap
    Silver
 
  • 44mm Galaxy Watch4 button position information
    44mm Galaxy Watch4 sensor information
  • 40mm Galaxy Watch4 button position information
    40mm Galaxy Watch4 sensor information
Dimensions &
Weight
Galaxy Watch4 44mm 44.4 x 43.3 x 9.8mm (Excluded the health sensor)
30g (Armor Aluminum, without strap)
Galaxy Watch4 40mm 40.4 x 39.3 x 9.8mm (Excluded the health sensor)
26g (Armor Aluminum, without strap)
Display
1.4" (34.6mm) Circular Super AMOLED (450x450)
Full Color Always On Display
Corning® Gorilla® Glass DX+
1.2" (30.4mm) Circular Super AMOLED (396x396)
Full Color Always On Display
Corning® Gorilla® Glass DX+

Performance

Battery
361mAh 247mAh
*Typical value tested under Samsung laboratory condition. Typical value is the estimated average value considering the deviation in battery capacity among the battery samples tested under IEC 61960 standard. Rated(minimum) capacity is 361mAh for Galaxy Watch4 44mm, 247mAh for Galaxy Watch4 40mm. Actual battery life may vary depending on network environment, usage patterns, and other factors.

*Battery time is based on our own laboratory measurements, and may vary depending on factors such as device settings, usage patterns and operating conditions.
AP
Exynos W920 Dual Core 1.18GHz
OS
Wear OS Powered by Samsung
Memory
1.5GB RAM + 16GB Internal Memory *Actual storage available may vary depending on pre-installed software. RAM capacity may vary depending on model, color, and country.
Connectivity
LTE, Bluetooth® 5.0, Wi-Fi 802.11 a/b/g/n 2.4+5GHz,
NFC, A-GPS/GLONASS/Beidou/Galileo *Beidou may not be available in certain regions.
*LTE connectivity only available in LTE models.
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Sensor
Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Optical Heart Rate Sensor,
Electrical heart sensor, Bioelectrical Impedance Analysis Sensor
Durability
5ATM+IP68/MIL-STD-810G
Compatibility
Compatible with Android 6.0 or higher, RAM 1.5GB above *Device activation is only available after connecting to a smartphone that supports Google Mobile Services(GMS).
*Please refer to your device manufacturer to find out whether your smartphone supports Google Mobile Services(GMS).
*Compatible smartphones and available features may vary by region, carrier and device.

In the box

 
Galaxy Watch4 44mm Galaxy Watch4
Wireless Charger
Quick Start Guide
Galaxy Watch4 40mm Galaxy Watch4
Wireless Charger
Quick Start Guide
GALAXY WATCH4

*All specifications and descriptions provided herein may be different from the actual specifications and descriptions of the product. Samsung reserves the right to make changes to this web page and the contents herein, including without limitation, functionality, features, specifications, GUI, images, videos, benefits, design, pricing, components, performance, availability, capabilities, and any other product information, without notice. All images, videos, user flow and sequences herein are simulated/dramatized for demonstration/illustrative purposes.