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Samsung Galaxy Watch 9 (40 mm)
- Samsung Galaxy Watch 9 (40 mm) is the smaller size option of Samsung’s 2026 mainstream smartwatch, announced on July 22, 2026, with general availability starting around August 7, 2026.
digitaltrends.com
Key Specs (40 mm model)
FeatureDetailsCase size40 mm (42.7 × 40.4 × 8.6 mm)Weight≈31.5 g (without band)Display1.34-inch Super AMOLED, 438 × 438 resolution, up to 3,000 nits peak, Sapphire Crystal protection, Always On DisplayProcessorQualcomm Snapdragon Wear Elite (3 nm, 5-core)Memory / Storage2 GB RAM + 32 GB storageBattery390 mAh (≈20% larger than Galaxy Watch 8 40 mm’s 325 mAh)ChargingMagnetic, up to 10 WOSWear OS 7 with One UI Watch 9ConnectivityBluetooth 6.0, Wi-Fi 6, NFC, dual-frequency GPS; optional LTE (eSIM)DurabilityIP68 + 5 ATM water resistance, MIL-STD-810HSensorsBioActive Sensor (heart rate, SpO2, ECG, BIA), temperature, accelerometer, gyroscope, barometer, etc.Main Upgrades vs Galaxy Watch 8
- New Snapdragon Wear Elite chip (faster performance and better efficiency than previous Exynos).
- Significantly larger battery on the 40 mm model for improved endurance (Samsung claims up to ~30–40 hours depending on usage and Always On Display).
- Updated health features: Vitals dashboard, Heart Health Score, Cardio Load, Fitness Index, enhanced sleep/AI insights.
- Softer, lighter redesigned band.
- Same slim aluminum design and display brightness as the Watch 8.



