Samsung Galaxy Watch4 40mm

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

40.4 x 39.3 x 9.8 mm (1.59 x 1.55 x 0.39 in)

Weight

25.9 g (0.92 oz)

Build

Glass front (Gorilla Glass DX+), aluminum frame

SIM

eSIM

MIL-STD-810G compliant*
50m water resistant (IP68)
Compatible with standard 20mm straps
ECG certified
Blood pressure monitor
*does not guarantee ruggedness or use in extreme conditions

DISPLAY

Type

Super AMOLED

Size

1.2 inches

Resolution

396 x 396 pixels (~330 ppi density)

Protection

Corning Gorilla Glass DX+

Always-on display

PLATFORM

OS

Android Wear OS, One UI Watch 3

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

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, heart rate, barometer

Natural language commands and dictation
Samsung Pay

BATTERY

Type

Non-removable Li-Ion 247 mAh battery

Charging

Wireless (Qi)