In depth comparison and review of Samsung Gear S2 and OPPO Watch Free. Compare sizes, functions, displays, batteries and other important specifications and features to easily choose the right smartwatch for you. Our goal is to help you uncover differences between the products and find the watch that will best fit your needs.
| GENERAL | Samsung Gear S2 | OPPO Watch Free |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Tizen OS | - |
| Supported Host Device OS | Android 4.4 (KitKat) 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 | - |
| Width | 39.9 mm | - |
| Height | 43.6 mm | - |
| Depth | 11.4 mm | - |
| Weight | 42 g | - |
| Body Details | - | Case only: 20.9 g |
| Body Material | Stainless steel | Glass fibre reinforced polycarbonate, PA + GF bottom case |
| Protection | Dustproof, waterproof | Water-resistant |
| Colours | - | Black |
| Clock Display | Yes | Yes |
| FEATURES | Samsung Gear S2 | OPPO Watch Free |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, gyro sensor, heart rate | Ambient light sensor, SpO2 sensor, 6-axis accelerometer, optical heart sensor, blood oxygen sensor, gyroscope |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, activity, heart rate, steps taken, water vs. caffeine intake | 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 |
| Features | Call handling, find phone function, voice control | Call handling, find phone function, inactivity alert, alarm, timer, music playback control, weather information, AI smart watch face, sleep disturbance analysis |
| Notifications | SMS | SMS, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Digital Player | MP3, AAC, M4A, OGG, AAC +, eAAC+ | - |
| CELLULAR | Samsung Gear S2 | OPPO Watch Free |
|---|
| Messaging Services | LINE, SMS | - |
|---|---|---|
| Supported Mobile Messaging Services | SMS | - |
| CONNECTIVITY | Samsung Gear S2 | OPPO Watch Free |
|---|
| Wireless Interface | IEEE 802.11b/g/n, NFC, Bluetooth 4.1 | Bluetooth 5.0 BLE |
|---|---|---|
| Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - |
| DISPLAY | Samsung Gear S2 | OPPO Watch Free |
|---|
| Type | Super AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 360 x 360 pixels | 456 x 280 pixels |
| Screen Size | 1.2" | 1.64" |
| Aspect Ratio | Full circle | - |
| Pixel Density | 302 ppi | 326 ppi |
| Colour Depth | - | 24-bit (16.7 million colours) |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | 2.5D curved glass |
| INPUT DEVICE | Samsung Gear S2 | OPPO Watch Free |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Samsung Gear S2 | OPPO Watch Free |
|---|
| Case Size | 40 mm | - |
|---|---|---|
| Case Shape | - | Rectangular |
| Case Details | Black | Rose gold | Blue black | - |
| BAND | Samsung Gear S2 | OPPO Watch Free |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Width | 20 mm | 19 mm |
| Fits Wrist with Circumference | - | 130-205 mm |
| Changeable | - | Yes |
| Clasp Type | - | Buckle |
| Band Material | Leather | Silicone |
| Band Colour | Black | Ivory | - |
| STORAGE | Samsung Gear S2 | OPPO Watch Free |
|---|
| Storage Capacity | 4 GB | - |
|---|---|---|
| User Memory | 1.9 GB | - |
| RAM | Samsung Gear S2 | OPPO Watch Free |
|---|
| RAM Size | 512 MB | - |
|---|
| CPU | Samsung Gear S2 | OPPO Watch Free |
|---|
| Manufacturer | Samsung | - |
|---|---|---|
| CPU Type | Exynos 3250 | - |
| Clock Speed | 1 GHz | - |
| BATTERY | Samsung Gear S2 | OPPO Watch Free |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Capacity | 250 mAh | 235 mAh |
| Battery Life | 3 day(s) | 14 day(s) |
| Battery Life Details | Low usage - up to 4 days | Typical usage - up to 14 days |
| Rechargeable Battery | - | Yes |
| Wireless Charging | Yes | - |
| MISCELLANEOUS | Samsung Gear S2 | OPPO Watch Free |
|---|
| Included Accessories | Power adapter, wireless charging dock | Magnetic charging dock |
|---|---|---|
| Preloaded Software | Contacts, E-mail, Messages, Music Player, Twitter, Samsung Apps, News, Gallery, Weather, S Voice, S Health, Notification Center, Nike+ Running | - |
| Compliant Standards | IP68 | - |
| Max Depth of Water Resistance | - | 50 m |
| Manufacturer Model Number | SM-R732 | OWWE201 |
| Warranty | - | 2-year warranty |
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