The Samsung Galaxy Watch 9 40mm Bluetooth (BT) features a 1.34-inch Super AMOLED display, a Snapdragon Wear Elite processor, and a 390 mAh battery.
Display and Build
- Screen: 1.34-inch Super AMOLED with up to 3,000 nits peak brightness and sapphire crystal glass.
- Resolution: 438 x 438 pixels.
- Dimensions: 42.7 x 40.4 x 8.6 mm.
- Weight: 31.5g to 32g (without the band).
- Materials: Armor aluminum case.
- Colors: Graphite and Cream.
Performance and Storage
- Processor: Snapdragon Wear Elite (5-core, 3 nm).
- Memory: 2GB of RAM.
- Storage: 32GB onboard storage.
- Operating System: Wear OS powered by Samsung.
Battery and Connectivity
- Battery: 390 mAh cell.
- Connectivity: Bluetooth 6.0, Wi-Fi (802.11 a/b/g/n/ac), and GPS/Glonass/Beidou/Galileo.
- Durability: IP68 dust/water resistance, 5 ATM water resistance, and MIL-STD-810 certification.
Health and Sensors
- Sensors: Accelerometer, gyroscope, pedometer, compass, optical heart rate, electrical heart sensor (ECG), blood oxygen, thermometer, barometer, and ambient light sensor.




