Detailed comparison and review of Amazfit GTR 2 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 | Amazfit GTR 2 | OPPO Watch Free |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS 10 or later, Android 5.0 (Lollipop) 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 | - |
| Body Details | Case only: 39 g | Case only: 20.9 g |
| Body Material | Stainless steel | Glass fibre reinforced polycarbonate, PA + GF bottom case |
| Protection | Water-resistant | Water-resistant |
| Colours | - | Black |
| Clock Display | Yes | Yes |
| FEATURES | Amazfit GTR 2 | OPPO Watch Free |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, SpO2 sensor, 3-axis magnetometer, BioTracker 2 PPG biological tracking optical 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, REM phases | 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 | Making a call, store & play music, huami-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 | SMS, Email, social apps, incoming calls | SMS, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS receiver | - |
| Internet of Things (IoT) Compatible | Yes | - |
| IoT Intelligent Assistant | Alexa | - |
| CONNECTIVITY | Amazfit GTR 2 | OPPO Watch Free |
|---|
| Wireless Interface | Wi-Fi, Bluetooth 5.0 | Bluetooth 5.0 BLE |
|---|
| DISPLAY | Amazfit GTR 2 | OPPO Watch Free |
|---|
| Type | AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 454 x 454 pixels | 456 x 280 pixels |
| Screen Size | 1.39" | 1.64" |
| Pixel Density | 326 ppi | 326 ppi |
| Colour Depth | - | 24-bit (16.7 million colours) |
| Screen Protection | Tempered glass | 2.5D curved glass |
| Always On Display (AOD) | Yes | - |
| INPUT DEVICE | Amazfit GTR 2 | OPPO Watch Free |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Amazfit GTR 2 | OPPO Watch Free |
|---|
| Case Shape | Round | Rectangular |
|---|
| BAND | Amazfit GTR 2 | OPPO Watch Free |
|---|
| Band Type | Strap | Strap |
|---|---|---|
| Band Width | 22 mm | 19 mm |
| Fits Wrist with Circumference | - | 130-205 mm |
| Changeable | Yes | Yes |
| Clasp Type | Pin buckle | Buckle |
| Band Material | Leather | Silicone |
| Band Colour | Obsidian black | - |
| STORAGE | Amazfit GTR 2 | OPPO Watch Free |
|---|
| User Memory | 3 GB | - |
|---|
| BATTERY | Amazfit GTR 2 | OPPO Watch Free |
|---|
| Technology | - | Lithium Ion |
|---|---|---|
| Capacity | 471 mAh | 235 mAh |
| Battery Life | - | 14 day(s) |
| Battery Life Details | Typical usage - up to 14 days Basic mode - up to 38 days GPS mode - up to 48 hour(s) Talk time - up to 10 hour(s) |
Typical usage - up to 14 days |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | 2.5 hour(s) | - |
| MISCELLANEOUS | Amazfit GTR 2 | OPPO Watch Free |
|---|
| Included Accessories | Magnetic charging dock | Magnetic charging dock |
|---|---|---|
| Preloaded Software | Amazon Alexa | - |
| Max Depth of Water Resistance | 50 m | 50 m |
| Manufacturer Model Number | - | OWWE201 |
| Warranty | - | 2-year warranty |
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