Fitbit Sense 2 vs OPPO Watch S
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Fitbit Sense 2 |  OPPO Watch S |
|---|---|---|
| Price | KSh 29,500.00 | KSh 25,000.00 |
| Display | AMOLED | 1.46-inch AMOLED |
| Water resistance | Water resistant to 50 m for suitable shallow-water use | 5 ATM and IP68 |
| Positioning / GNSS | Built-in GPS and GLONASS | Dual-band L1 + L5 GNSS: BeiDou, GPS, Galileo, GLONASS and QZSS |
| Health & wellness features | Heart rate, blood oxygen, cEDA body response, ECG-compatible, skin-temperature variation and stress features; availability varies and not intended for diagnosis | 60-second wellness overview; ECG (subject to local certification); heart rate; SpO2; wrist temperature; menstrual cycle tracking; mind-and-body assessment |
| Battery capacity | — | 339 mAh typical / 330 mAh rated |
| Processor | — | BES2800BP MCU |
| Storage | — | 4 GB eMMC |
| Operating system | — | ColorOS Watch 7.1 |
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Full specifications
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Identity & design
| Specification | Fitbit Sense 2 | OPPO Watch S |
|---|---|---|
| Brand | Fitbit | OPPO |
| Model | Fitbit Sense 2 | OPPO Watch S (OWWE262) |
| Announced | August 2022 | — |
| Dimensions | 40.5 × 40.5 × 11.2 mm | 44.98 × 44.98 × 8.9 mm (excluding sensor area) |
| Weight | 37.64 g | 35 g without strap; 59 g with fluoroelastomer strap; 48 g with woven strap |
| Build materials | Aluminum watch case and buckle; Corning Gorilla Glass 3 | Stainless-steel middle frame; PA + 55% fibreglass rear case |
| Wrist size | Small: 130–180 mm; large: 165–220 mm; both sizes included | 140–210 mm |
| Strap / band | Flexible classic sport band; small and large sizes included | Fluoroelastomer or tri-colour woven strap; stainless-steel buckle |
| Controls / buttons | Side button and AMOLED touchscreen | — |
Display
| Specification | Fitbit Sense 2 | OPPO Watch S |
|---|---|---|
| Display | AMOLED | 1.46-inch AMOLED |
| Display protection | Corning Gorilla Glass 3 | Glass cover |
| Display features | Always-on display supported; increases power use | 317 ppi; 600 nits default; 1,500 nits high-brightness mode; up to 3,000 nits peak |
| Screen resolution | — | 464 × 464 pixels |
Performance & software
| Specification | Fitbit Sense 2 | OPPO Watch S |
|---|---|---|
| Processor | — | BES2800BP MCU |
| Storage | — | 4 GB eMMC |
| Operating system | — | ColorOS Watch 7.1 |
Connectivity
| Specification | Fitbit Sense 2 | OPPO Watch S |
|---|---|---|
| Wi-Fi | Wi-Fi hardware present but deactivated and cannot be enabled | No |
| Bluetooth | Bluetooth Low Energy | Bluetooth 5.2 (Classic and BLE) |
| NFC | Built-in NFC; supported payment features vary by country and bank | Supported for non-confidential access cards |
| Positioning / GNSS | Built-in GPS and GLONASS | Dual-band L1 + L5 GNSS: BeiDou, GPS, Galileo, GLONASS and QZSS |
Audio & communication
| Specification | Fitbit Sense 2 | OPPO Watch S |
|---|---|---|
| Speaker | Built-in speaker, rated 75 dB SPL at 10 cm | Supported |
| Microphone | Built-in microphone | Supported |
| Calling | On-wrist Bluetooth calling features depend on phone, app and region support | Bluetooth answering, dialling and calling |
Sensors, health & fitness
| Specification | Fitbit Sense 2 | OPPO Watch S |
|---|---|---|
| Sensors | Multi-path optical heart-rate sensor; cEDA skin-conductance sensor; multipurpose electrical sensors compatible with ECG and EDA apps; red and infrared SpO₂ sensors; gyroscope; altimeter; 3-axis accelerometer; skin-temperature sensor; ambient-light sensor | Accelerometer; gyroscope; geomagnetic sensor; barometer; optical heart-rate sensor; optical SpO2 sensor; ECG sensor; wrist-temperature sensor; ambient-light sensor |
| Health & wellness features | Heart rate, blood oxygen, cEDA body response, ECG-compatible, skin-temperature variation and stress features; availability varies and not intended for diagnosis | 60-second wellness overview; ECG (subject to local certification); heart rate; SpO2; wrist temperature; menstrual cycle tracking; mind-and-body assessment |
| Sleep tracking | Sleep stages, sleep score and overnight wellness tracking | Sleep stages; respiratory rate; sleep SpO2 |
| Sports / workout modes | Exercise tracking with SmartTrack automatic exercise recognition; steps, distance, calories and Cardio Fitness Score | 100+ sports modes |
| Training & outdoor features | — | Professional training analytics |
Battery & durability
| Specification | Fitbit Sense 2 | OPPO Watch S |
|---|---|---|
| Battery life | More than 6 days; up to 5 hours with continuous GPS; always-on display, SpO2 and cEDA increase power use | Up to 10 days maximum; 7 days typical; 4 days with always-on display |
| Charging | Proprietary charging cable; about one day of battery from 12 minutes of fast charging | Integrated charging cable |
| Water resistance | Water resistant to 50 m for suitable shallow-water use | 5 ATM and IP68 |
| Durability / certifications | 5 ATM under ISO 22810:2010 | — |
| Battery capacity | — | 339 mAh typical / 330 mAh rated |
Compatibility
| Specification | Fitbit Sense 2 | OPPO Watch S |
|---|---|---|
| Phone compatibility | Android 11.0 or later; iOS 16.4 or later; Bluetooth LE and internet required | Android 9.0 or later; iOS 14.0 or later |
| Companion app | Google Health app | — |
| Colors | Shadow Grey / Graphite Aluminum; Lunar White / Platinum Aluminum; Blue Mist / Soft Gold Aluminum | Phantom Black; Silver Gleam |
Additional specifications
| Specification | Fitbit Sense 2 | OPPO Watch S |
|---|---|---|
| Pixels per inch | — | 317 ppi |
| Peak brightness | — | 600 nits default; 1,500 nits HBM; up to 3,000 nits peak |
| Packing list | — | Watch; integrated charging cable; quick guide and safety/warranty information |