Detailed comparison and review of OPPO Watch Free and Amazfit GTR Mini. 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 | OPPO Watch Free | Amazfit GTR Mini |
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Product Type | Smart watch | Smart watch |
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Operating System | - | Zepp OS 2.0 |
Supported Host Device OS | iOS 10 or later, Android 6.0 (Marshmallow) or later | iOS 12 or later, Android 7.0 (Nougat) 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 | Multisport |
Wearing Style | Watch style | Watch style |
Body Details | Case only: 20.9 g | With band: 24.6 g |
Body Material | Glass fibre reinforced polycarbonate, PA + GF bottom case | Plastic, stainless steel |
Protection | Water-resistant | Water-resistant |
Colours | Black | Midnight black | Misty pink | Ocean blue |
Clock Display | Yes | Yes |
FEATURES | OPPO Watch Free | Amazfit GTR Mini |
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Sensors | Ambient light sensor, SpO2 sensor, 6-axis accelerometer, optical heart sensor, blood oxygen sensor, gyroscope | Accelerometer, ambient light sensor, geomagnetic sensor, BioTracker PPG biological tracking optical sensor |
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Tracking Data | Distance, time, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, heart rate variability, snoring | Calories burned, activity, heart rate, steps taken, blood oxygen saturation, pace, sleep stages, stress level, menstrual cycle, personal activity intelligence (PAI), sleep duration, altitude, recovery time, training load, training effect, REM phases, sleep quality score, nap, sleep breathing quality |
Modes | 100+ Workout modes | Do-not-disturb mode, 126 sport modes |
Goal Setting | Yes | Yes |
Features | Call handling, find phone function, inactivity alert, alarm, timer, music playback control, weather information, AI smart watch face, sleep disturbance analysis | Camera remote control, find phone function, VO2 max, OTA update, breathing training function, music playback control, weather information, event reminders, rotor motor, Quick Reply, pomodoro timer, customisable watch faces, PeakBeats workout status algorithm, ExerSense algorithm, SomnusCare, password protection, Virtual Pacer, sedentary lifestyle reminder, circularly-polarised GPS aerial, 5 satellite positioning systems |
Notifications | SMS, incoming calls | Calendar, SMS, incoming calls, applications, high and low heart rate, low blood-oxygen, high stress level |
Vibrating Alert | Yes | Yes |
Feedback Type | Vibration alert, visual interface | Vibration alert, visual interface |
Navigation (GPS) | - | GPS receiver |
CONNECTIVITY | OPPO Watch Free | Amazfit GTR Mini |
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Wireless Interface | Bluetooth 5.0 BLE | Bluetooth 5.2 |
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DISPLAY | OPPO Watch Free | Amazfit GTR Mini |
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Type | AMOLED - colour | AMOLED - colour |
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Resolution | 456 x 280 pixels | 416 x 416 pixels |
Screen Size | 1.64" | 1.28" |
Pixel Density | 326 ppi | 326 ppi |
Colour Depth | 24-bit (16.7 million colours) | - |
Screen Protection | 2.5D curved glass | Fingerprint-resistant coating, tempered glass |
Always On Display (AOD) | - | Yes |
INPUT DEVICE | OPPO Watch Free | Amazfit GTR Mini |
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Type | Touch sensitive screen | Touch sensitive screen, side button |
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CASE | OPPO Watch Free | Amazfit GTR Mini |
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Case Shape | Rectangular | Circular |
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BAND | OPPO Watch Free | Amazfit GTR Mini |
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Band Type | Strap | Strap |
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Band Width | 19 mm | 20 mm |
Fits Wrist with Circumference | 130-205 mm | 150-200 mm |
Changeable | Yes | Yes |
Clasp Type | Buckle | Buckle |
Band Material | Silicone | Silicone |
CPU | OPPO Watch Free | Amazfit GTR Mini |
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CPU Type | - | Huangshan 2S |
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BATTERY | OPPO Watch Free | Amazfit GTR Mini |
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Technology | Lithium Ion | - |
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Capacity | 235 mAh | 280 mAh |
Battery Life | 14 day(s) | 14 day(s) |
Battery Life Details | Typical usage - up to 14 days | Typical usage - up to 14 days Heavy usage - up to 7 days Battery saver mode - up to 20 days Watch mode - up to 30 days GPS mode - up to 25 hour(s) |
Rechargeable Battery | Yes | Yes |
Recharge Time | - | 2 hour(s) |
MISCELLANEOUS | OPPO Watch Free | Amazfit GTR Mini |
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Included Accessories | Magnetic charging dock | Magnetic charging cable |
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Preloaded Software | - | Games, Stopwatch, Alarm Clock, Timer |
Compliant Standards | - | ISO 22810 |
Max Depth of Water Resistance | 50 m | 50 m |
Manufacturer Model Number | OWWE201 | - |
Warranty | 2-year warranty | 1-year warranty |