Samsung Galaxy Watch 9 4G 44mm specifications

All the technical specifications of the Samsung Galaxy Watch 9 4G 44mm in one place: a 1,47 inch screen, 445 mAh battery, 5 years of updates and heart rate monitor. Below you will find the full overview, from storage and connectivity to what's in the box, so you can check and weigh up every detail.

Height:46 mm

Weight:34 gr

Width:43,7 mm

Thickness:8,6 mm

General

• Status:In stores
• Announced:22 july 2026
• Available since:3 august 2026
• Predecessor:Samsung Galaxy Watch 8 4G 44mm
• Product code:SM-L355
• EAN code: 8806099332396, 8806099332266

Design type

• Watch:

Controls

• Directional key:
• Touchscreen: Capacitive
• Voice command:

Operating system

• Wear OS: 7.0
• Security updates (years): 5

User interface

• One UI Watch: 9.0

Display

• Colour display: Adjustable display brightness, 16.777.216 colours (24 bits), Circular Super AMOLED, Always On feature
• Size: 1.47 inch
• Resolution: 480 x 480 pixels
• Aspect ratio: 1:1
• Peak brightness: 3000 nits
• Pixels Per Inch (PPI): 462
• Screen-to-body ratio: 34.7%

Hardware

• Integrated antenna:
• Processor: Qualcomm Snapdragon Wear Elite 6100, Penta core
• Clock Frequency: 1.95 GHz + 2.1 GHz

Materials

• Aluminium:
• Dirt and waterproof: IP68, 5 ATM
• Rugged casing: MIL-STD-810H
• Sapphire Crystal:

Telephony

• Vibrating alert:

Data network

• 4G (LTE):
• UMTS:

Personalisation

• Multiple homescreens:
• Widgets:

Personal Information Management (PIM)

• Agenda:
• Alarm clock:
• Date and time notation:
• Stopwatch & countdown timer:

Available applications

• Pedometer:

Messaging

• E-mail:
• Instant messaging:
• MMS:
• SMS:

Navigation

• A-GPS:
• Beidou:
• Digital Compass:
• Galileo:
• GLONASS:
• GPS receiver:

Build-in memory

• Internal memory:
• Size (RAM): 2 GB
• Storage: 32 GB

Connectivity

• Bluetooth: v6.0
• NFC:
• Wireless Lan (WLAN/Wi-Fi): Wi-Fi 4 (802.11n)

AI (Artificial intelligence)

• Google Gemini:

Power supply

• Battery: Li-ion
• Capacity: 445 mAh
• Wireless charging:

Sensors

• Ambient light sensor:
• Barometer:
• Gesture recognition:
• Gyroscope:
• Heart rate monitor:
• Oxygen saturation (SpO2):
• Skin temperature sensor:
• Thermometer:

Compatibility

• With Android: Vanaf 13.0