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Samsung Galaxy Watch4 40mm
Samsung · wearable

Galaxy Watch4 40mm

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Launch

2
Announced
2021-08-11
Status
Available

General

2
Model name
Watch 4
Model number
40 mm

Network

4
2G bands
  • R-GSM-900
  • DCS-1800
  • E-GSM-900
  • GSM-850
  • P-GSM-900
  • T-GSM-900
3G bands
  • B5 (850 MHz)
  • B8 (900 MHz)
  • B26 (850 MHz)
4G bands
  • B1 (2100 MHz)
  • B3 (1800 MHz)
  • B7 (2600 MHz)
  • B5 (850 MHz)
  • B8 (900 MHz)
  • B20 (800 MHz)
SIM
  • Single SIM (Embedded-SIM)

Body

8
Height
40.4 mm
Width
39.3 mm
Thickness
9.8 mm
Weight
25.9 g
Protection
IP68
Colors
  • Black
  • Pink Gold
  • Green
  • Silver
Frame material
Aluminum
QWERTY keyboard
✕ No

Platform

2
OS
Android 11 (Go edition)
Chipset
Exynos W920

Memory

2
Memory
  • 1.5GB RAM, 16GB
Dedicated card slot
✕ No

Display

6
Size
1.2"
Resolution width
396 px
Resolution height
396 px
Pixel density
330 ppi
High refresh rate
✕ No
Technology
Super AMOLED

Main camera

2
HDR
✕ No
Panorama
✕ No

Sound

3
3.5mm jack
✕ No
Stereo speakers
✕ No
Loudspeaker
✓ Yes

Sensors

6
Gyroscope
✓ Yes
Compass
✕ No
Barometer
✓ Yes
Heart rate
✓ Yes
Accelerometer
✓ Yes
Proximity
✕ No

Connectivity

6
Wi-Fi
  • Wi‑Fi 4 (802.11n) (72–600 Mbit/s)
  • 802.11b (1–11 Mbit/s)
  • 802.11a (6–54 Mbit/s)
  • Wi‑Fi 6E (802.11ax) (600–9608 Mbit/s)
  • Wi‑Fi 5 (802.11ac) (433–6933 Mbit/s)
  • 802.11g (6–54 Mbit/s)
  • Wi‑Fi 6 (802.11ax) (600–9608 Mbit/s)
Bluetooth
Bluetooth 5.0
GPS
✓ Yes
NFC
✓ Yes
Infrared port
✕ No
FM radio
✕ No

Battery

4
Capacity
247 mAh
Type
Li-ion
Removable
✕ No
Wireless charging
✕ No