Side by side comparison and review of Amazfit GTR 2E 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 2E | 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: 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 2E | OPPO Watch Free |
|---|
| Sensors | Ambient light sensor, barometer, SpO2 sensor, 3-axis magnetometer, temperature, 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 | 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/GLONASS receiver | - |
| CONNECTIVITY | Amazfit GTR 2E | OPPO Watch Free |
|---|
| Wireless Interface | Bluetooth 5.0 BLE | Bluetooth 5.0 BLE |
|---|
| DISPLAY | Amazfit GTR 2E | 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 | Fingerprint-resistant coating, 2.5D tempered glass | 2.5D curved glass |
| Always On Display (AOD) | Yes | - |
| INPUT DEVICE | Amazfit GTR 2E | OPPO Watch Free |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Amazfit GTR 2E | OPPO Watch Free |
|---|
| Case Shape | Round | Rectangular |
|---|---|---|
| Case Details | Obsidian black | - |
| BAND | Amazfit GTR 2E | 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 | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | Obsidian black | Matcha green | Slate grey | - |
| BATTERY | Amazfit GTR 2E | OPPO Watch Free |
|---|
| Technology | - | Lithium Ion |
|---|---|---|
| Capacity | 471 mAh | 235 mAh |
| Battery Life | - | 14 day(s) |
| Battery Life Details | Typical usage - up to 24 days Basic mode - up to 45 days Heavy usage - up to 12 days |
Typical usage - up to 14 days |
| Rechargeable Battery | Yes | Yes |
| MISCELLANEOUS | Amazfit GTR 2E | OPPO Watch Free |
|---|
| Included Accessories | Magnetic charging dock | Magnetic charging dock |
|---|---|---|
| Max Depth of Water Resistance | 50 m | 50 m |
| Manufacturer Model Number | A2023 | OWWE201 |
| Warranty | - | 2-year warranty |
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