Detailed comparison and review of OPPO Watch Free and Huawei Watch 4. 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 | Huawei Watch 4 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS 10 or later, Android 6.0 (Marshmallow) or later | Android 6.0 (Marshmallow) or later, iOS 13.0 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 |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Body Details | Case only: 20.9 g | Case only: 48 g |
| Body Material | Glass fibre reinforced polycarbonate, PA + GF bottom case | 316L grade stainless steel |
| Protection | Water-resistant | Water-resistant, dust-resistant |
| Colours | Black | Black |
| Clock Display | Yes | Yes |
| FEATURES | OPPO Watch Free | Huawei Watch 4 |
|---|
| Sensors | Ambient light sensor, SpO2 sensor, 6-axis accelerometer, optical heart sensor, blood oxygen sensor, gyroscope | Accelerometer, ambient light sensor, digital compass, barometer, depth sensor, optical heart sensor, ECG sensor, gyroscope, temperature sensor |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, heart rate variability, snoring | Distance, calories burned, activity, sleep activity, heart rate, steps taken, skin temperature, blood oxygen saturation, location, stress level, respiratory rate, breath, altitude, ECG, nap |
| Modes | 100+ Workout modes | 100+ Workout 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 | Call handling, camera remote control, find phone function, Fall detection, Emergency SOS, music playback control, Route Back, customisable watch faces, arterial stiffness detection, sedentary lifestyle reminder, HUAWEI TruSleep, HUAWEI Assistant TODAY |
| Notifications | SMS, incoming calls | SMS, social apps, incoming calls, high and low heart rate |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | - | GPS receiver |
| CELLULAR | OPPO Watch Free | Huawei Watch 4 |
|---|
| Mobile Broadband Generation | - | 4G |
|---|---|---|
| SIM Card Type | - | Electronic SIM card (e-SIM) |
| Messaging Services | - | SMS |
| CONNECTIVITY | OPPO Watch Free | Huawei Watch 4 |
|---|
| Wireless Interface | Bluetooth 5.0 BLE | Wi-Fi, LTE, NFC, Bluetooth 5.2 BLE/BR |
|---|
| DISPLAY | OPPO Watch Free | Huawei Watch 4 |
|---|
| Type | AMOLED - colour | LTPO AMOLED - colour |
|---|---|---|
| Resolution | 456 x 280 pixels | 466 x 466 pixels |
| Screen Size | 1.64" | 1.5" |
| Pixel Density | 326 ppi | 310 ppi |
| Colour Depth | 24-bit (16.7 million colours) | - |
| Screen Protection | 2.5D curved glass | - |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | OPPO Watch Free | Huawei Watch 4 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, side button, rotating crown |
|---|
| CASE | OPPO Watch Free | Huawei Watch 4 |
|---|
| Crystal Type | - | 3D curved glass |
|---|---|---|
| Case Shape | Rectangular | Round |
| Case Details | - | Stainless steel |
| BAND | OPPO Watch Free | Huawei Watch 4 |
|---|
| Band Type | Strap | Strap |
|---|---|---|
| Band Width | 19 mm | - |
| Fits Wrist with Circumference | 130-205 mm | 140-210 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Fluoroelastomer |
| Band Colour | - | Black |
| STORAGE | OPPO Watch Free | Huawei Watch 4 |
|---|
| Storage Capacity | - | 32 GB |
|---|
| RAM | OPPO Watch Free | Huawei Watch 4 |
|---|
| RAM Size | - | 2 GB |
|---|
| BATTERY | OPPO Watch Free | Huawei Watch 4 |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Capacity | 235 mAh | - |
| Battery Life | 14 day(s) | 14 day(s) |
| Battery Life Details | Typical usage - up to 14 days | Ultra-long battery life mode - up to 14 days Ultra-long battery life mode (typical usage) - up to 8 days Typical usage - up to 3 days |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | - | 60 min |
| Wireless Charging | - | Yes |
| MISCELLANEOUS | OPPO Watch Free | Huawei Watch 4 |
|---|
| Included Accessories | Magnetic charging dock | Charging cradle, charging cable |
|---|---|---|
| Preloaded Software | - | VoLTE |
| Compliant Standards | - | IP6X, ISO 22810, EN13319 |
| Specific Absorption Rate (SAR) | - | 0.3 W/kg (head) 0.71 W/kg (body) 1.08 W/kg (limb) |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 0 °C |
| Manufacturer Model Number | OWWE201 | - |
| Warranty | 2-year warranty | - |
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