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Samsung Galaxy Watch 9 40mm
Original price was: KSh 42,500.KSh 39,500Current price is: KSh 39,500.
- 1.3″ (438 x 438) Super AMOLED display
- Dimensions: 43.7 × 46.0 × 8.6 mm
- Brightness: up to 5000 nits
- Body material: Armor Aluminum
- Weight 31.5 g
- Strap: silicone
- Storage / Memory: 32 GB / 2 GB
- Processor: Qualcomm Snapdragon Elite
- Battery: 390 mAh
- Battery life up to 40 hours
- Waterproof 5 ATM and dustproof according to IP68 and meets US military MIL-STD-810H standards.
- Bluetooth 6.0, Wi-Fi, NFC, LTE, BioActive Sensor, Dual-Frequency GPS, Vitals, Sleep Apnea
- Compatibility: Android
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Samsung Galaxy Watch 9 40mm Highlights
- Up to 30 hours per charge
- 1.47-inch OLED display
- 3,000 nits peak brightness
- IP68 dust and water resistance
- 31.5 g weight
- 32GB storage, with 2GB RAM
Compare Samsung Galaxy Watch 9 40mm with Similar Products
Compare Samsung Galaxy Watch 9 40mm specs, features and price with similar smartwatches and alternatives.
Comparison full
0 spaces availableIdentity & design
| Specification | Samsung Galaxy Watch 9 40mm | Samsung Galaxy Watch 9 44mm | Samsung Galaxy Watch 8 Classic | OnePlus Watch 4 |
|---|---|---|---|---|
| Brand | Samsung | Samsung | Samsung | OnePlus |
| Model | Samsung Galaxy Watch 9 (40 mm and 44 mm configurations) | Samsung Galaxy Watch 9 (40 mm and 44 mm configurations) | Samsung Galaxy Watch 8 Classic | OnePlus Watch 4 |
| Announced | 2026, July 22 | 2026, July 22 | 2025, July 09 | 2026, April 22 |
| Dimensions | 44 mm: 46.0 × 43.7 × 8.6 mm; 40 mm: 42.7 × 40.4 × 8.6 mm | 44 mm: 46.0 × 43.7 × 8.6 mm; 40 mm: 42.7 × 40.4 × 8.6 mm | 46.4 × 46.0 × 10.6 mm | 47.4 × 47.4 × 11.0 mm |
| Weight | 44 mm: 34.0 g; 40 mm: 31.5 g, without band | 44 mm: 34.0 g; 40 mm: 31.5 g, without band | 63.5 g without band | Approximately 43 g without strap; 68 g with strap |
| Build materials | Aluminum case | Aluminum case | Stainless-steel case | Titanium-alloy case; PA and fibreglass back |
| Strap / band | Lightweight breathable Sport Band with Dynamic Lug System | Lightweight breathable Sport Band with Dynamic Lug System | Not specified | Fluororubber |
| Controls / buttons | Touchscreen and two side buttons | Touchscreen and two side buttons | Rotating bezel; Quick Button; Home and Back buttons | Not specified |
| Wrist size | Not specified | Not specified | Not specified | 140–210 mm |
Display
| Specification | Samsung Galaxy Watch 9 40mm | Samsung Galaxy Watch 9 44mm | Samsung Galaxy Watch 8 Classic | OnePlus Watch 4 |
|---|---|---|---|---|
| Display | 44 mm: 1.47-inch Super AMOLED; 40 mm: 1.34-inch Super AMOLED | 44 mm: 1.47-inch Super AMOLED; 40 mm: 1.34-inch Super AMOLED | 1.34-inch Super AMOLED | 1.5-inch LTPO OLED |
| Screen resolution | 44 mm: 480 × 480 pixels; 40 mm: 438 × 438 pixels | 44 mm: 480 × 480 pixels; 40 mm: 438 × 438 pixels | 438 × 438 pixels | 466 × 466 pixels; 310 ppi |
| Display protection | Sapphire crystal | Sapphire crystal | Sapphire crystal | Sapphire crystal |
| Display features | 3000 nits (peak) | 3000 nits (peak) | Full-colour always-on display | 600 nits (typ), 1600 nits (HBM), 3000 nits (peak) |
Performance & software
| Specification | Samsung Galaxy Watch 9 40mm | Samsung Galaxy Watch 9 44mm | Samsung Galaxy Watch 8 Classic | OnePlus Watch 4 |
|---|---|---|---|---|
| Processor | Qualcomm Snapdragon Wear Elite, 3 nm | Qualcomm Snapdragon Wear Elite, 3 nm | Exynos W1000, 3 nm | Qualcomm Snapdragon W5; BES2800 MCU |
| CPU | 5-core | 5-core | 5-core | Not specified |
| RAM | 2 GB | 2 GB | 2 GB | 2 GB |
| Storage | 32 GB | 32 GB | 64 GB | 32 GB |
| Operating system | Wear OS 7; One UI 9 Watch | Wear OS 7; One UI 9 Watch | Wear OS 6; One UI 8 Watch | OxygenOS Watch 8; Wear OS 6.0 |
| GPU | Not specified | Not specified | Mali-G68 | Not specified |
Connectivity
| Specification | Samsung Galaxy Watch 9 40mm | Samsung Galaxy Watch 9 44mm | Samsung Galaxy Watch 8 Classic | OnePlus Watch 4 |
|---|---|---|---|---|
| Network / cellular | GSM / HSPA / LTE | GSM / HSPA / LTE | GSM / HSPA / LTE | No cellular connectivity |
| SIM / eSIM | eSIM | eSIM | eSIM | Unsupported |
| Wi-Fi | Wi-Fi 2.4 GHz + 5 GHz | Wi-Fi 2.4 GHz + 5 GHz | Wi-Fi 2.4 GHz + 5 GHz | Wi-Fi 2.4 GHz + 5 GHz |
| Bluetooth | Bluetooth 5.3 | Bluetooth 5.3 | Bluetooth 5.3 | Bluetooth 5.2 |
| NFC | Supported | Supported | Supported | Supported |
| Positioning / GNSS | Dual-frequency GPS, L1 + L5 | Dual-frequency GPS, L1 + L5 | Dual-frequency GPS, L1 + L5; GLONASS; BeiDou; Galileo | Dual-frequency L1 + L5; GPS; BeiDou; Galileo; GLONASS; QZSS |
Audio & communication
| Specification | Samsung Galaxy Watch 9 40mm | Samsung Galaxy Watch 9 44mm | Samsung Galaxy Watch 8 Classic | OnePlus Watch 4 |
|---|---|---|---|---|
| Speaker | Supported | Supported | Supported | Supported |
| Microphone | Supported | Supported | Supported | Supported |
| Calling | Bluetooth calling with a connected smartphone; standalone calling on LTE editions | Bluetooth calling with a connected smartphone; standalone calling on LTE editions | Bluetooth calling with a connected smartphone; standalone calling on LTE editions | Bluetooth calling with a connected smartphone |
Sensors, health & fitness
| Specification | Samsung Galaxy Watch 9 40mm | Samsung Galaxy Watch 9 44mm | Samsung Galaxy Watch 8 Classic | OnePlus Watch 4 |
|---|---|---|---|---|
| Sensors | Samsung BioActive: optical heart-rate, electrical heart signal, bioelectrical impedance analysis; temperature; accelerometer; barometer; gyroscope; geomagnetic; light sensor | Samsung BioActive: optical heart-rate, electrical heart signal, bioelectrical impedance analysis; temperature; accelerometer; barometer; gyroscope; geomagnetic; light sensor | Samsung BioActive: optical heart-rate, electrical heart signal, bioelectrical impedance analysis; temperature; accelerometer; barometer; gyroscope; geomagnetic; light sensor; 3D Hall sensor | Accelerometer; gyroscope; optical heart-rate sensor; optical blood-oxygen sensor; geomagnetic sensor; ambient-light sensor; barometer; wrist-temperature sensor |
| Health & wellness features | Heart rate; SpO₂; ECG; body composition; temperature; stress; Vitals; Heart Health Score | Heart rate; SpO₂; ECG; body composition; temperature; stress; Vitals; Heart Health Score | Heart and wellness tracking; Antioxidant Index, Vascular Load, Energy Score and stress features. Availability varies by market and paired phone. | Heart rate; high and low heart-rate alerts; SpO₂ spot checks and all-day monitoring; stress; breathing exercises; cycle tracking; 60-second Wellness Overview |
| Sleep tracking | Sleep-stage tracking; sleep-apnea risk detection; sleep Vitals | Sleep-stage tracking; sleep-apnea risk detection; sleep Vitals | Sleep tracking, sleep coaching, Bedtime Guidance and sleep-apnoea features where available | Deep, light and REM sleep; awake time; sleep score; breathing rate; SpO₂; snoring-risk assessment |
| Sports / workout modes | Automatic and manual workout tracking across running, walking, cycling, swimming and other activities | Automatic and manual workout tracking across running, walking, cycling, swimming and other activities | Not specified | 100+ sports modes |
| Training & outdoor features | Daily Cardio Load; Fitness Index; workout and recovery guidance | Daily Cardio Load; Fitness Index; workout and recovery guidance | Running Coach and dual-frequency route tracking | Aerobic training effect; cardiorespiratory capacity; recovery time; heart-rate recovery; running form; track running |
| Safety & emergency features | Fall detection and Emergency SOS | Fall detection and Emergency SOS | Not specified | Fall detection; emergency rescue |
Battery & durability
| Specification | Samsung Galaxy Watch 9 40mm | Samsung Galaxy Watch 9 44mm | Samsung Galaxy Watch 8 Classic | OnePlus Watch 4 |
|---|---|---|---|---|
| Battery capacity | 44 mm: 445 mAh; 40 mm: 390 mAh | 44 mm: 445 mAh; 40 mm: 390 mAh | 445 mAh | 646 mAh typical; 632 mAh rated |
| Battery life | Up to 30 hours with AOD on | Up to 30 hours with AOD on | Always-On Display off: up to 40 hours Always-On Display on: up to 30 hours | Up to 5 days smart mode; 3 days heavy use; 16 days power saver |
| Charging | Fast wireless charging, WPC-based | Fast wireless charging, WPC-based | Fast wireless charging, WPC-based | Charging base with USB-C cable |
| Water resistance | 5 ATM; IP68 | 5 ATM; IP68 | 5 ATM; IP68 | 5 ATM; IP69; IP68 |
| Durability / certifications | MIL-STD-810H | MIL-STD-810H | MIL-STD-810H | MIL-STD-810H |
Compatibility
| Specification | Samsung Galaxy Watch 9 40mm | Samsung Galaxy Watch 9 44mm | Samsung Galaxy Watch 8 Classic | OnePlus Watch 4 |
|---|---|---|---|---|
| Phone compatibility | Android 13.0 or later; more than 1.5 GB RAM; Google Mobile Services | Android 13.0 or later; more than 1.5 GB RAM; Google Mobile Services | Android 12.0 or later; more than 1.5 GB RAM | Android 9.0 or later; GMS 23.45.23 or later |
| Companion app | Galaxy Wearable; Samsung Health | Galaxy Wearable; Samsung Health | Galaxy Wearable; Samsung Health | OHealth |
| Colors | 44 mm: Graphite, Silver; 40 mm: Graphite, Cream | 44 mm: Graphite, Silver; 40 mm: Graphite, Cream | Black; White | Midnight Titanium; Evergreen Titanium |
Additional specifications
| Specification | Samsung Galaxy Watch 9 40mm | Samsung Galaxy Watch 9 44mm | Samsung Galaxy Watch 8 Classic | OnePlus Watch 4 |
|---|---|---|---|---|
| Case material | Aluminum | Aluminum | Stainless steel | Titanium alloy |
| Peak brightness | 3,000 nits peak | 3,000 nits peak | 3,000 nits peak | 600 nits typical; 1,500 nits high-brightness mode; 3,000 nits peak in supported sports modes |
| Charging time | 44 mm: 100% in 90 minutes, 45% in 30 minutes; 40 mm: 100% in 80 minutes, 50% in 30 minutes | 44 mm: 100% in 90 minutes, 45% in 30 minutes; 40 mm: 100% in 80 minutes, 50% in 30 minutes | Not specified | Approximately 75 minutes |
| Release status | Available. Released 2026, August 07 | Available. Released 2026, August 07 | Available. Released 2025, July 25 | Available. Released 2026, April |
| Model numbers | SM-L340, SM-L350, SM-L345F, SM-L355F, SM-L345U, SM-L355U | SM-L340, SM-L350, SM-L345F, SM-L355F, SM-L345U, SM-L355U | SM-L500, SM-L505U | Not specified |
| Card slot | No | No | No | No |
| Camera | No | No | No | No |
| 3.5 mm headphone jack | No | No | No | No |
| USB | No | No | No | No |
| Radio | No | No | No | No |
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | Not specified |
| 3G bands | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 2100 | Not specified |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66, 71 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66, 71 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 40, 66, 71 | Not specified |
| Network speed | HSPA, LTE | HSPA, LTE | HSPA, LTE | Not specified |
| SAR (US) | 1.06 W/kg (body) | 1.06 W/kg (body) | 1.04 W/kg (head) 0.41 W/kg (body) | Not specified |
| SAR (EU) | 0.70 W/kg (body) | 0.70 W/kg (body) | 0.03 W/kg (head) 0.67 W/kg (body) | Not specified |
| Additional durability features | Armor Aluminum 2 | Armor Aluminum 2 | Rotating bezel | Not specified |
| Pixels per inch | Not specified | Not specified | Not specified | 310 ppi |
| Packing list | Not specified | Not specified | Not specified | Watch; charging base; strap; USB-C cable; user guide; safety and warranty booklet |
| Smart recognition | Not specified | Not specified | Not specified | Running; walking; cycling; swimming; rowing machine; elliptical |
| Maximum charging power | Not specified | Not specified | Not specified | Approximately 7.5 W |
| Operating temperature | Not specified | Not specified | Not specified | 0–35 °C |
Specs
Samsung Galaxy Watch 9 40mm specifications
Identity & design
| Brand | Samsung |
|---|---|
| Model | Samsung Galaxy Watch 9 (40 mm and 44 mm configurations) |
| Announced | 2026, July 22 |
| Dimensions | 44 mm: 46.0 × 43.7 × 8.6 mm; 40 mm: 42.7 × 40.4 × 8.6 mm |
| Weight | 44 mm: 34.0 g; 40 mm: 31.5 g, without band |
| Build materials | Aluminum case |
| Strap / band | Lightweight breathable Sport Band with Dynamic Lug System |
| Controls / buttons | Touchscreen and two side buttons |
Display
| Display | 44 mm: 1.47-inch Super AMOLED; 40 mm: 1.34-inch Super AMOLED |
|---|---|
| Screen resolution | 44 mm: 480 × 480 pixels; 40 mm: 438 × 438 pixels |
| Display protection | Sapphire crystal |
| Display features | 3000 nits (peak) |
| Peak brightness | 3,000 nits peak |
Performance & software
| Processor | Qualcomm Snapdragon Wear Elite, 3 nm |
|---|---|
| CPU | 5-core |
| RAM | 2 GB |
| Storage | 32 GB |
| Operating system | Wear OS 7; One UI 9 Watch |
Connectivity
| Network / cellular | GSM / HSPA / LTE |
|---|---|
| SIM / eSIM | eSIM |
| Wi-Fi | Wi-Fi 2.4 GHz + 5 GHz |
| Bluetooth | Bluetooth 5.3 |
| NFC | Supported |
| Positioning / GNSS | Dual-frequency GPS, L1 + L5 |
| USB | No |
| Radio | No |
| 2G bands | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66, 71 |
| Network speed | HSPA, LTE |
Audio & communication
| Speaker | Supported |
|---|---|
| Microphone | Supported |
| Calling | Bluetooth calling with a connected smartphone; standalone calling on LTE editions |
Sensors, health & fitness
| Sensors | Samsung BioActive: optical heart-rate, electrical heart signal, bioelectrical impedance analysis; temperature; accelerometer; barometer; gyroscope; geomagnetic; light sensor |
|---|---|
| Health & wellness features | Heart rate; SpO₂; ECG; body composition; temperature; stress; Vitals; Heart Health Score |
| Sleep tracking | Sleep-stage tracking; sleep-apnea risk detection; sleep Vitals |
| Sports / workout modes | Automatic and manual workout tracking across running, walking, cycling, swimming and other activities |
| Training & outdoor features | Daily Cardio Load; Fitness Index; workout and recovery guidance |
| Safety & emergency features | Fall detection and Emergency SOS |
Battery & durability
| Battery capacity | 44 mm: 445 mAh; 40 mm: 390 mAh |
|---|---|
| Battery life | Up to 30 hours with AOD on |
| Charging | Fast wireless charging, WPC-based |
| Water resistance | 5 ATM; IP68 |
| Durability / certifications | MIL-STD-810H |
Compatibility
| Phone compatibility | Android 13.0 or later; more than 1.5 GB RAM; Google Mobile Services |
|---|---|
| Companion app | Galaxy Wearable; Samsung Health |
| Colors | 44 mm: Graphite, Silver; 40 mm: Graphite, Cream |
Design
| Case material | Aluminum |
|---|
Battery
| Charging time | 44 mm: 100% in 90 minutes, 45% in 30 minutes; 40 mm: 100% in 80 minutes, 50% in 30 minutes |
|---|
General
| Release status | Available. Released 2026, August 07 |
|---|---|
| Model numbers | SM-L340, SM-L350, SM-L345F, SM-L355F, SM-L345U, SM-L355U |
Memory & storage
| Card slot | No |
|---|
Cameras
| Camera | No |
|---|
Audio
| 3.5 mm headphone jack | No |
|---|
Regulatory
| SAR (US) | 1.06 W/kg (body) |
|---|---|
| SAR (EU) | 0.70 W/kg (body) |
Durability
| Additional durability features | Armor Aluminum 2 |
|---|
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Price history
Historical prices for Samsung Galaxy Watch 9 40mm in Kenya
- Current price
- KSh 39,500
- Lowest
- KSh 39,50017 Oct
- Highest
- KSh 40,00012 Oct
- Change since 12 Oct
- ▼ 1.3%KSh 500 lower
Price history table
| Date | Price (KES) | Change |
|---|---|---|
| KSh 40,000 | – | |
| KSh 39,500 | −KSh 500 (−1.3%) |