Samsung Galaxy Watch9
Samsung's 2026 everyday-health smartwatch, powered by the Snapdragon Wear Elite platform with Wear OS 7 and One UI 9 Watch, in 40mm and 44mm Bluetooth or LTE cases.
Chip
- Processor
- Qualcomm Snapdragon Wear Elite (SDW6100), penta-core, 3 nm
- Operating system
- Wear OS 7 with One UI 9 Watch
Display
- Type (40mm)
- 1.34" (34.0 mm) Super AMOLED, 438×438 pixels
- Type (44mm)
- 1.47" (37.3 mm) Super AMOLED, 480×480 pixels
- Brightness
- Up to 3,000 nits peak
- Glass
- Sapphire crystal
- Chassis material
- Armor aluminium
Storage
- Capacity
- 2 GB RAM, 32 GB storage
Connectivity
- Cellular
- 4G LTE, optional (SM-L345 40mm / SM-L355 44mm)
- Wi-Fi / Bluetooth
- Wi-Fi 2.4 GHz + 5 GHz; Bluetooth 6.0
- NFC
- NFC
- GPS
- GPS, L1+L5 dual-frequency
- Phone compatibility
- Android 13.0 or later, with more than 1.5 GB of memory
Battery
- Capacity (40mm)
- 390 mAh
- Capacity (44mm)
- 445 mAh
- Life
- Up to 30 hours with always-on display
- Charging
- Fast charging, WPC-based wireless
Sensors
- Health sensors
- Samsung BioActive sensor: optical heart-rate, electrocardiogram (ECG), bioelectrical impedance analysis (BIA)
- Motion / environment
- Accelerometer, gyroscope, barometer, geomagnetic sensor, ambient light sensor, temperature sensor
Physical
- Dimensions (40mm)
- 42.7 × 40.4 × 8.6 mm
- Dimensions (44mm)
- 46.0 × 43.7 × 8.6 mm
- Weight
- 31.5 g (40mm) / 34 g (44mm), without strap
- Water / dust resistance
- IP68, 5 ATM, MIL-STD-810H
- Colors
- 40mm: Graphite, Cream. 44mm: Graphite, Silver
- Model numbers
- SM-L340 (40mm Bluetooth), SM-L345 (40mm LTE), SM-L350 (44mm Bluetooth), SM-L355 (44mm LTE)
Operating systems
- OS
- Wear OS 7 with One UI 9 Watch
- Update policy
- 5 years of OS and security updates from launch, per Samsung/Wikipedia