Samsung Galaxy Watch4

Specifications
Samsung Galaxy Watch4
MORE PICTURES
  • 1.4" 450x450 pixels
  • NO
  • 1.5GB RAM Exynos W920
  • 361mAh 5W
Released 2021, August 27 30.3g (44mm), 25.9g (40mm), 9.8mm thickness Android Wear OS 4, One UI Watch 5 16GB storage, no card slot
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ALL VERSIONS

44MM

40MM

Versions: Bluetooth; Bluetooth/LTE

Network
Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 7, 8, 20
Speed HSPA, LTE
Launch
Announced 2021, August 11
Status Available. Released 2021, August 27
Body
Dimensions 44.4 x 43.3 x 9.8 mm (1.75 x 1.70 x 0.39 in)
Weight 30.3 g (44mm), 25.9 g (40mm) (1.06 oz)
Build Glass front (Gorilla Glass DX+), aluminum frame
SIM eSIM
 MIL-STD-810G compliant*
IP68 dust tight and water resistant (immersible up to 50m)
Compatible with standard 20mm straps
ECG certified
Blood pressure monitor
*does not guarantee ruggedness or use in extreme conditions
Display
Type Super AMOLED
Size 1.4 inches
Resolution 450 x 450 pixels (~321 ppi density)
Protection Corning Gorilla Glass DX+
 Always-on display
Platform
OS Android Wear OS 4, One UI Watch 5
Chipset Exynos W920 (5 nm)
CPU Dual-core 1.18 GHz Cortex-A55
GPU Mali-G68
Memory
Card slot No
Internal 16GB 1.5GB RAM
Camera
  No
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Sound
Loudspeaker Yes
3.5mm jack No
Comms
WLAN Wi-Fi 802.11 a/b/g/n, dual-band
Bluetooth 5.0, A2DP, LE
Positioning GPS, GLONASS, GALILEO, BDS
NFC Yes
Radio No
USB No
Features
Sensors Accelerometer, gyro, compass, barometer, heart rate, SpO2
Battery
Type Li-Ion 361 mAh
Charging Wireless
Misc
Colors Black, Pink Gold, Silver, Green, Thom Browne Edition, Bespoke Edition, PXG Golf Edition
Models SM-R860, SM-R870
Price € 99.99
Samsung Galaxy Watch4 16GB 1.5GB RAM

User opinions and reviews

  • Nuruddin sarker
  • 12 Apr 2025
  • YUf

my galaxy watch 4 44mm battery backup only 15 hours + while whatsApps message received more than 500+. is this normal or my watch battery is problem? thank you in advanced

  • Anonymous
  • 11 Dec 2024
  • nG$

i have just recieved the oneui6 update for my uk galaxy watch4, its downloading right now

  • Anonymous
  • 04 Oct 2024
  • 0xN

By the way it's not watch update one ui6, it's just lug in update and some watch faces. Right now available only for watch 4 and it is not clear will be available for watch 5 or watch 6. Because this month or next month have to be One UI 6 ...

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