Samsung Galaxy Watch 9 40mm vs OnePlus Watch 4
Compare specifications, current prices and availability. Choose up to four products from the same family.
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Oraimo Watch 2 Pro Original price was: KSh 9,000.00.KSh 7,000.00Current price is: KSh 7,000.00.
Amazfit GTR 3 ProKSh 20,000.00
Samsung Galaxy Watch 6 Price range: KSh 22,500.00 through KSh 23,500.00
OnePlus Nord WatchKSh 11,000.00
At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Samsung Galaxy Watch 9 40mm |  OnePlus Watch 4 |
|---|---|---|
| Price | KSh 39,500.00 | KSh 38,000.00 |
| Display | 1.34-inch Super AMOLED Always On Display | 1.5-inch LTPO AMOLED |
| Battery capacity | 390 mAh lithium-ion | 646 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 | 5 ATM |
| Processor | Snapdragon SW6100 Wear Elite (3 nm) | Qualcomm Snapdragon W5 Gen 1 + BES2800 |
| RAM | 2 GB | 2 GB |
| Storage | 32 GB | 32 GB |
| Operating system | Wear OS 7 with One UI Watch 9 | Wear OS 6.0 with OxygenOS Watch 8 |
| Network / cellular | GSM, HSPA and LTE on LTE models | No cellular connectivity |
| Positioning / GNSS | Dual-band GPS (L1+L5); GLONASS; Galileo; BeiDou; QZSS | 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 | 60-second Wellness Overview; heart-rate monitoring and alerts; blood-oxygen monitoring; wrist-temperature tracking; ECG |
Full specifications
2 of 4 products
| Specification | Samsung Galaxy Watch 9 40mm | OnePlus Watch 4 |
|---|---|---|
| Identity & design | ||
| Brand | Samsung | OnePlus |
| Model | Samsung Galaxy Watch9 40mm | OnePlus Watch 4 |
| Announced | 22 July 2026 | 22 April 2026 |
| Dimensions | 42.7 × 40.4 × 8.6 mm | 47.4 × 47.4 × 11 mm |
| Weight | 31.5 g | 43 g without strap; 68 g with strap |
| Build materials | Sapphire crystal front; Armor Aluminum 2 frame | Sapphire crystal front; titanium alloy case; glass-fibre-reinforced plastic back |
| Wrist size | — | 140–210 mm |
| Strap / band | Lightweight breathable Sport Band with Dynamic Lug System | Fluororubber strap |
| Controls / buttons | Touchscreen and two side buttons | — |
| Display | ||
| Display | 1.34-inch Super AMOLED Always On Display | 1.5-inch LTPO AMOLED |
| Screen resolution | 438 × 438 pixels | 466 × 466 pixels, 310 ppi |
| Display protection | Sapphire crystal | Sapphire crystal glass |
| Display features | Full-color Always On Display; up to 3,000 nits peak brightness | 600 nits typical; 1,600 nits High Brightness Mode; up to 3,000 nits peak brightness |
| Performance & software | ||
| Processor | Snapdragon SW6100 Wear Elite (3 nm) | Qualcomm Snapdragon W5 Gen 1 + BES2800 |
| CPU | Penta-core, 1 × 2.1 GHz + 4 × 1.95 GHz | — |
| RAM | 2 GB | 2 GB |
| Storage | 32 GB | 32 GB |
| Operating system | Wear OS 7 with One UI Watch 9 | Wear OS 6.0 with OxygenOS Watch 8 |
| Connectivity | ||
| Network / cellular | GSM, HSPA and LTE on LTE models | No cellular connectivity |
| SIM / eSIM | eSIM on LTE models | No eSIM |
| Wi-Fi | Wi‑Fi 802.11 a/b/g/n/ac, dual-band | 2.4 GHz and 5 GHz Wi‑Fi |
| Bluetooth | Bluetooth 6.0 | Bluetooth 5.2 |
| NFC | Supported | Supported; Google Wallet |
| Positioning / GNSS | Dual-band GPS (L1+L5); GLONASS; Galileo; BeiDou; QZSS | Dual-band GPS (L1+L5); GLONASS; Galileo; BeiDou; QZSS |
| Audio & communication | ||
| Speaker | Supported | 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 | Accelerometer; gyroscope; optical heart-rate sensor; optical SpO2 sensor; wrist-temperature sensor; geomagnetic sensor; ambient-light sensor; barometer |
| Health & wellness features | Heart rate; ECG; blood pressure; blood oxygen; body composition; skin temperature; antioxidant index; Energy Score | 60-second Wellness Overview; heart-rate monitoring and alerts; blood-oxygen monitoring; wrist-temperature tracking; ECG |
| Sleep tracking | Sleep duration, patterns and quality; sleep coaching; sleep-apnea risk detection | Sleep monitoring and Sleep Wellbeing insights |
| Sports / workout modes | Automatic and manual workout tracking across running, walking, cycling, swimming and other activities | 100+ sports modes; automatic workout recognition |
| Training & outdoor features | Personalized exercise guidance; running coaching; dual-band GNSS route tracking | Professional running, tennis and skiing modes; Pace Assistant; posture, pace and recovery metrics |
| Safety & emergency features | Fall detection and Emergency SOS | — |
| Battery & durability | ||
| Battery capacity | 390 mAh lithium-ion | 646 mAh lithium-ion |
| Battery life | Up to 40 hours with Always On Display off; up to 30 hours with Always On Display on | Smart Mode: up to 5 days Heavy use: up to 3 days Power Saver Mode: up to 16 days |
| Charging | Fast WPC-based wireless charging, 10 W | 7.5 W wired charging; full charge in approximately 75 minutes |
| Water resistance | 5 ATM / 50 m under ISO 22810; IPX8 tested to 1.5 m fresh water for up to 30 minutes | 5 ATM |
| Durability / certifications | IP6X dust resistance; MIL‑STD‑810H certified; ECG certified | IP68; IP69; MIL‑STD‑810H compliant; ECG certified |
| Compatibility | ||
| Phone compatibility | — | Android 9.0 or later with Google Mobile Services 23.45.23 or later; not compatible with iOS or Android Go |
| Companion app | Samsung Health | OHealth |
| Colors | Cream; Graphite | Midnight Titanium; Evergreen Titanium |
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