Samsung Galaxy Watch 9 40mm
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Samsung Galaxy Watch 9 40mm |
|---|---|
| Price | KSh 39,500.00 |
| Display | 1.34-inch Super AMOLED Always On Display |
| Battery capacity | 390 mAh lithium-ion |
| Water resistance | 5 ATM / 50 m under ISO 22810; IPX8 tested to 1.5 m fresh water for up to 30 minutes |
| Processor | Snapdragon SW6100 Wear Elite (3 nm) |
| RAM | 2 GB |
| Storage | 32 GB |
| Operating system | Wear OS 7 with One UI Watch 9 |
| Network / cellular | GSM, HSPA and LTE on LTE models |
| Positioning / GNSS | Dual-band GPS (L1+L5); GLONASS; Galileo; BeiDou; QZSS |
| Health & wellness features | Heart rate; ECG; blood pressure; blood oxygen; body composition; skin temperature; antioxidant index; Energy Score |
Full specifications
1 of 4 products
| Specification | Samsung Galaxy Watch 9 40mm |
|---|---|
| Identity & design | |
| Brand | Samsung |
| Model | Samsung Galaxy Watch9 40mm |
| Announced | 22 July 2026 |
| Dimensions | 42.7 × 40.4 × 8.6 mm |
| Weight | 31.5 g |
| Build materials | Sapphire crystal front; Armor Aluminum 2 frame |
| Strap / band | Lightweight breathable Sport Band with Dynamic Lug System |
| Controls / buttons | Touchscreen and two side buttons |
| Display | |
| Display | 1.34-inch Super AMOLED Always On Display |
| Screen resolution | 438 × 438 pixels |
| Display protection | Sapphire crystal |
| Display features | Full-color Always On Display; up to 3,000 nits peak brightness |
| Performance & software | |
| Processor | Snapdragon SW6100 Wear Elite (3 nm) |
| CPU | Penta-core, 1 × 2.1 GHz + 4 × 1.95 GHz |
| RAM | 2 GB |
| Storage | 32 GB |
| Operating system | Wear OS 7 with One UI Watch 9 |
| Connectivity | |
| Network / cellular | GSM, HSPA and LTE on LTE models |
| SIM / eSIM | eSIM on LTE models |
| Wi-Fi | Wi‑Fi 802.11 a/b/g/n/ac, dual-band |
| Bluetooth | Bluetooth 6.0 |
| NFC | Supported |
| Positioning / GNSS | Dual-band GPS (L1+L5); GLONASS; Galileo; BeiDou; QZSS |
| Audio & communication | |
| Speaker | Supported |
| Microphone | Supported |
| Calling | Bluetooth calling; standalone cellular calling on LTE models |
| Sensors, health & fitness | |
| Sensors | Accelerometer; barometer; bioelectrical impedance analysis sensor; electrical heart sensor; gyroscope; geomagnetic sensor; ambient-light sensor; optical heart-rate sensor; skin-temperature sensor |
| Health & wellness features | Heart rate; ECG; blood pressure; blood oxygen; body composition; skin temperature; antioxidant index; Energy Score |
| Sleep tracking | Sleep duration, patterns and quality; sleep coaching; sleep-apnea risk detection |
| Sports / workout modes | Automatic and manual workout tracking across running, walking, cycling, swimming and other activities |
| Training & outdoor features | Personalized exercise guidance; running coaching; dual-band GNSS route tracking |
| Safety & emergency features | Fall detection and Emergency SOS |
| Battery & durability | |
| Battery capacity | 390 mAh lithium-ion |
| Battery life | Up to 40 hours with Always On Display off; up to 30 hours with Always On Display on |
| Charging | Fast WPC-based wireless charging, 10 W |
| Water resistance | 5 ATM / 50 m under ISO 22810; IPX8 tested to 1.5 m fresh water for up to 30 minutes |
| Durability / certifications | IP6X dust resistance; MIL‑STD‑810H certified; ECG certified |
| Compatibility | |
| Companion app | Samsung Health |
| Colors | Cream; Graphite |