Side by side comparison and review of Amazfit GTR 3 Pro and OPPO Watch Free. Compare design, displays, functions, batteries and other key specifications and features to simplify the choice of your perfect smartwatch. Our goal is to make it easier for you to decide on the watch that will best meet your expectations by revealing the main differences between the products.
| GENERAL | Amazfit GTR 3 Pro | OPPO Watch Free |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Zepp OS | - |
| Supported Host Device OS | iOS 12 or later, Android 7.0 (Nougat) or later | iOS 10 or later, Android 6.0 (Marshmallow) or later |
| Activity/Sport | Multisport | 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 | - |
| Body Details | Case only: 32 g | Case only: 20.9 g |
| Body Material | Aluminium alloy | Glass fibre reinforced polycarbonate, PA + GF bottom case |
| Protection | Water-resistant | Water-resistant |
| Colours | - | Black |
| Clock Display | Yes | Yes |
| FEATURES | Amazfit GTR 3 Pro | OPPO Watch Free |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, geomagnetic sensor, barometric altimeter, temperature, BioTracker PPG 3.0 biometric sensor | Ambient light sensor, SpO2 sensor, 6-axis accelerometer, optical heart sensor, blood oxygen sensor, gyroscope |
|---|---|---|
| Tracking Data | Distance, calories burned, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level | Distance, time, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, heart rate variability, snoring |
| Modes | - | 100+ Workout modes |
| Goal Setting | Yes | Yes |
| Features | Camera remote control, find phone function, automatic exercise recognition, music playback control, weather information, PAI Health Assessment System | Call handling, find phone function, inactivity alert, alarm, timer, music playback control, weather information, AI smart watch face, sleep disturbance analysis |
| Notifications | Calendar | SMS, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/BeiDou/QZSS receiver | - |
| Internet of Things (IoT) Compatible | Yes | - |
| IoT Intelligent Assistant | Alexa built-in | - |
| IoT Voice Controlled | Direct | - |
| CONNECTIVITY | Amazfit GTR 3 Pro | OPPO Watch Free |
|---|
| Wireless Interface | Wi-Fi, Bluetooth 5.0 | Bluetooth 5.0 BLE |
|---|
| DISPLAY | Amazfit GTR 3 Pro | OPPO Watch Free |
|---|
| Type | AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 480 x 480 pixels | 456 x 280 pixels |
| Screen Size | 1.45" | 1.64" |
| Aspect Ratio | Full circle | - |
| Pixel Density | 331 ppi | 326 ppi |
| Colour Depth | - | 24-bit (16.7 million colours) |
| Screen Protection | Tempered glass | 2.5D curved glass |
| INPUT DEVICE | Amazfit GTR 3 Pro | OPPO Watch Free |
|---|
| Type | Touch sensitive screen, push button | Touch sensitive screen |
|---|
| CASE | Amazfit GTR 3 Pro | OPPO Watch Free |
|---|
| Case Shape | Round | Rectangular |
|---|---|---|
| Crown Type | Classic crown | - |
| BAND | Amazfit GTR 3 Pro | OPPO Watch Free |
|---|
| Band Type | Strap | Strap |
|---|---|---|
| Band Width | 22 mm | 19 mm |
| Fits Wrist with Circumference | 155-218 mm | 130-205 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Leather | Silicone |
| Band Colour | Brown | Infinite black | - |
| BATTERY | Amazfit GTR 3 Pro | OPPO Watch Free |
|---|
| Technology | - | Lithium Ion |
|---|---|---|
| Capacity | 450 mAh | 235 mAh |
| Battery Life | - | 14 day(s) |
| Battery Life Details | Battery safe mode - up to 30 days Heavy usage - up to 6 days Typical usage - up to 12 days GPS mode - up to 35 hour(s) |
Typical usage - up to 14 days |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | 2 hour(s) | - |
| MISCELLANEOUS | Amazfit GTR 3 Pro | OPPO Watch Free |
|---|
| Included Accessories | Magnetic charging stand | Magnetic charging dock |
|---|---|---|
| Preloaded Software | Zepp App | - |
| Max Depth of Water Resistance | 50 m | 50 m |
| Manufacturer Model Number | - | OWWE201 |
| Warranty | 2-year warranty | 2-year warranty |
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