Samsung Galaxy Watch9 - Bluetooth - 40mm / 44mm

The Samsung Galaxy Watch9 Bluetooth is designed as an everyday health and fitness companion, combining Samsung’s lightweight cushion-style design with advanced health monitoring, a bright Super AMOLED display and the new Snapdragon Wear Elite Platform. Available in 40mm and 44mm sizes, Galaxy Watch9 features a slim 8.6mm body, Samsung’s Dynamic Lug System for a closer wrist fit and a sapphire crystal display reaching up to 3,000 nits of brightness.

Galaxy Watch9 monitors sleep, activity, recovery and key health signals through Samsung’s upgraded BioActive sensor and Samsung Health. Features include Vitals, Energy Score, Fitness Index, Daily Cardio Load, Sleep Coaching and heart-health insights, while built-in Google Gemini lets you access information and supported functions using voice commands. Both Bluetooth models feature 2GB RAM, 32GB storage, Bluetooth 6.0, Wi-Fi, GPS and NFC, with battery capacity varying according to watch size.

Key Features

• Available in 40mm and 44mm sizes

• Bluetooth connectivity

• Snapdragon Wear Elite Platform

• Super AMOLED display

• Sapphire crystal display protection

• Up to 3,000 nits brightness

• 2GB RAM

• 32GB internal storage

• Wear OS Powered by Samsung

• Bluetooth 6.0

• Dual-band Wi-Fi

• NFC

• GPS

• Samsung BioActive health sensors

• Vitals health monitoring

• Energy Score

• Fitness Index

• Daily Cardio Load

• Sleep tracking and Sleep Coaching

• Heart-health monitoring features

• Body Composition analysis

• Google Gemini support

• Dynamic Lug System

• 5ATM water resistance

• IP68 dust and water resistance

• MIL-STD-810H durability

• Up to 40 hours usage with Always On Display off

• Up to 30 hours usage with Always On Display on

Specifications

Processor

• Platform: Snapdragon Wear Elite

• CPU Type: Penta-Core

• CPU Speed: 2.1GHz, 1.95GHz

Memory & Storage

• RAM: 2GB

• Internal Storage: 32GB

• Available Storage: 20.1GB

40mm Display

• Display Size: 1.3 inches (34mm)

• Display Technology: Super AMOLED

• Resolution: 438 × 438

• Color Depth: 16M

• Sapphire Crystal

• Brightness: Up to 3,000 nits

44mm Display

• Display Size: 1.5 inches (37.3mm)

• Display Technology: Super AMOLED

• Resolution: 480 × 480

• Color Depth: 16M

• Sapphire Crystal

• Brightness: Up to 3,000 nits

Connectivity

• Connectivity: Bluetooth

• Bluetooth Version: Bluetooth 6.0

• Bluetooth Profiles: A2DP, AVRCP, HFP, HSP

• Wi-Fi: 802.11a/b/g/n

• Wi-Fi Bands: 2.4GHz + 5GHz

• NFC: Yes

• Location Technology: GPS, GLONASS, Beidou, Galileo, QZSS

Operating System

• Wear OS Powered by Samsung

Sensors

• Accelerometer

• Barometer

• Bioelectrical Impedance Analysis Sensor

• Electrical Heart Sensor

• Gyro Sensor

• Geomagnetic Sensor

• Light Sensor

• Optical Heart Rate Sensor

• Temperature Sensor

Health & Fitness Features

• Vitals

• Energy Score

• Fitness Index

• Daily Cardio Load

• Sleep Tracking

• Sleep Coaching

• Heart Health Score

• Body Composition analysis

• Blood oxygen monitoring

• Skin temperature monitoring

• Heart rate monitoring

• Heart rate variability monitoring

• Respiratory rate monitoring

Availability of individual health functions may vary depending on country, compatible smartphone, Samsung Health version and regulatory approval. Health measurements are intended for wellness and fitness purposes and are not a substitute for professional medical diagnosis or treatment.

40mm Dimensions & Weight

• Dimensions: 42.7 × 40.4 × 8.6mm

• Weight: 31.5g

44mm Dimensions & Weight

• Dimensions: 46.0 × 43.7 × 8.6mm

• Weight: 34g

40mm Battery

• Battery Capacity: 390mAh typical

• Battery Type: Lithium-Ion

• Always On Display Off: Up to 40 hours

• Always On Display On: Up to 30 hours

• Removable Battery: No

44mm Battery

• Battery Capacity: 445mAh typical

• Battery Type: Lithium-Ion

• Always On Display Off: Up to 40 hours

• Always On Display On: Up to 30 hours

• Removable Battery: No

Durability

• 5ATM water resistance

• IP68 water and dust resistance

• MIL-STD-810H durability rating

Audio Formats

• MP3

• M4A

• 3GA

• AAC

• OGG

• OGA

• WAV

• AMR

• AWB

Size Comparison

Galaxy Watch9 40mm

• 1.3-inch 438 × 438 display

• 390mAh battery

• 42.7 × 40.4 × 8.6mm

• 31.5g

Galaxy Watch9 44mm

• 1.5-inch 480 × 480 display

• 445mAh battery

• 46.0 × 43.7 × 8.6mm

• 34g

Both versions feature the same Snapdragon Wear Elite processor, 2GB RAM, 32GB storage, Bluetooth 6.0, Wear OS, health sensors and core smartwatch features.