Detailed comparison and review of Fitbit Versa 4 and OPPO Watch Free. With our comprehensive overview, you can simply compare size, design, functions, battery capacities, but also other key features of both smartwatches and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the watch that best fits your needs and expectations.
| GENERAL | Fitbit Versa 4 | OPPO Watch Free |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Supported Host Device OS | Android 10 or later, iOS 13.4 or later | iOS 10 or later, Android 6.0 (Marshmallow) or later |
| Activity/Sport | - | Indoor running, indoor walking, elliptical, 5-min workouts, fat burn running, outdoor walking, outdoor running, indoor rowing, endurance running, interval running, jogging |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | - |
| Audio Output | Speaker | - |
| Width | 40.5 mm | - |
| Height | 40.5 mm | - |
| Depth | 11.2 mm | - |
| Body Details | - | Case only: 20.9 g |
| Body Material | - | Glass fibre reinforced polycarbonate, PA + GF bottom case |
| Protection | Water-resistant | Water-resistant |
| Colours | - | Black |
| Clock Display | Yes | Yes |
| FEATURES | Fitbit Versa 4 | OPPO Watch Free |
|---|
| Sensors | Ambient light sensor, altimeter, SpO2 sensor, 3-axis accelerometer, optical heart sensor, vibration motor | Ambient light sensor, SpO2 sensor, 6-axis accelerometer, optical heart sensor, blood oxygen sensor, gyroscope |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken, pace, stress level, menstrual cycle, Resting Heart Rate (RHR), breathing rate, sleep quality score | Distance, time, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, heart rate variability, snoring |
| Modes | 40+ sports modes | 100+ Workout modes |
| Goal Setting | Yes | Yes |
| Features | Find phone function, VO2 max, Heart Rate Variability (HRV) monitoring, HR zones, automatic exercise recognition, smart Wake-Up, Active Zone Minutes, guided breathing session, Always-on display, Sleep Score, Sleep Profile, Stress Management Score, Daily Readiness Score | Call handling, find phone function, inactivity alert, alarm, timer, music playback control, weather information, AI smart watch face, sleep disturbance analysis |
| Notifications | SMS, incoming calls, applications, high and low heart rate | SMS, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Audio alert, vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS receiver | - |
| Payment Technology | FitBit Pay | - |
| Internet of Things (IoT) Compatible | Yes | - |
| IoT Intelligent Assistant | Alexa built-in | - |
| CONNECTIVITY | Fitbit Versa 4 | OPPO Watch Free |
|---|
| Wireless Interface | NFC, Bluetooth 5.0 | Bluetooth 5.0 BLE |
|---|
| DISPLAY | Fitbit Versa 4 | OPPO Watch Free |
|---|
| Type | Colour | AMOLED - colour |
|---|---|---|
| Resolution | - | 456 x 280 pixels |
| Screen Size | - | 1.64" |
| Pixel Density | - | 326 ppi |
| Colour Depth | - | 24-bit (16.7 million colours) |
| Screen Protection | - | 2.5D curved glass |
| Always On Display (AOD) | Yes | - |
| INPUT DEVICE | Fitbit Versa 4 | OPPO Watch Free |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Fitbit Versa 4 | OPPO Watch Free |
|---|
| Case Size | 40 mm | - |
|---|---|---|
| Case Shape | Square | Rectangular |
| Case Details | Copper rose | Graphite | Platinum | - |
| BAND | Fitbit Versa 4 | OPPO Watch Free |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Size | S/L | - |
| Band Width | - | 19 mm |
| Fits Wrist with Circumference | Up to 209 mm | 130-205 mm |
| Changeable | Yes | Yes |
| Clasp Type | Pin-and-tuck | Buckle |
| Band Material | - | Silicone |
| Band Colour | Pink sand | Black | Waterfall blue | - |
| BATTERY | Fitbit Versa 4 | OPPO Watch Free |
|---|
| Technology | Lithium polymer | Lithium Ion |
|---|---|---|
| Capacity | - | 235 mAh |
| Battery Life | 6 day(s) | 14 day(s) |
| Battery Life Details | Typical usage - up to 6 days GPS mode - up to 12 hour(s) |
Typical usage - up to 14 days |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | 2 hour(s) | - |
| MISCELLANEOUS | Fitbit Versa 4 | OPPO Watch Free |
|---|
| Included Accessories | Charging cable, 6-month Fitbit Premium membership, wristband (129 - 175 mm), wristband (158 - 209 mm) | Magnetic charging dock |
|---|---|---|
| Preloaded Software | Google Maps, FitBit Pay, Google Wallet | - |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | 45 °C | - |
| Min Operating Temperature | -10 °C | - |
| Manufacturer Model Number | - | OWWE201 |
| Warranty | 2-year warranty | 2-year warranty |
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