Samsung Galaxy Watch9 40mm Smartwatch

samsung galaxy watch9 40mm combines advanced health intelligence, responsive performance and an improved battery inside a lightweight everyday design. Its compact size makes it an excellent choice for fitness tracking, sleep monitoring and connected daily use.

Snapdragon Performance

The Snapdragon Wear Elite platform features a five-core 3nm processor designed to provide fast application performance, responsive navigation and efficient background health tracking. The watch includes 2GB of memory and 32GB of internal storage for compatible applications, music and watch faces.

Bright Super AMOLED Display

The 1.34-inch Super AMOLED display offers a sharp 438 × 438 resolution and up to 3,000 nits of peak brightness. The Full Colour Always On Display keeps important information visible, while Sapphire Crystal provides additional protection against everyday scratches.

Advanced Health Intelligence

The Samsung BioActive Sensor supports optical heart-rate measurement, electrical heart-signal monitoring and bioelectrical impedance analysis. Samsung Health features include Vitals, Energy Score, Heart Health Score, Fitness Index and Daily Cardio Load.

Sleep And Recovery Tracking

Advanced sleep tracking analyses supported sleep patterns and provides personalised insights through Samsung Health. Features such as Sleep Coaching, Bedtime Guidance and supported sleep-apnoea risk detection help users better understand their rest and recovery.

Fitness And Activity Tracking

The Samsung Galaxy Watch9 40mm provides workout tracking, Running Coach and personalised fitness guidance. Dual-frequency GPS supports more accurate location tracking during activities such as running, walking and cycling.

Improved Battery Capacity

The 390mAh battery offers up to 30 hours of use with the Always On Display enabled under Samsung’s test conditions. WPC-based wireless fast charging provides convenient power between workouts and overnight tracking sessions. Actual battery life depends on settings, connectivity and usage.

Wear OS And Smart Features

Wear OS 7 and One UI 9 Watch provide access to compatible applications through the Google Play Store. Users can manage notifications, navigation, music and other connected features directly from the watch.

Connectivity

Bluetooth 6.0, dual-band Wi-Fi, NFC and L1 plus L5 dual-frequency GPS provide reliable wireless connectivity. LTE functionality is available only on supported LTE models and requires compatible carrier service.

Lightweight And Durable Design

The aluminium case measures only 8.6mm thick and weighs approximately 31.5g without the band. Its cushion-style design and Dynamic Lug System help maintain a comfortable, secure fit throughout the day and during sleep.

Water And Dust Resistance

The smartwatch carries 5ATM and IP68 water- and dust-resistance ratings and has been tested to MIL-STD-810H durability standards. Water resistance is not permanent and may diminish through normal wear.

Everyday Use

The Samsung Galaxy Watch9 40mm is ideal for daily health monitoring, exercise tracking, sleep analysis, navigation and notification management. It requires a compatible Android phone running Android 13 or later with more than 1.5GB of memory and Google Mobile Services.