Huami Amazfit X vs Mi Smart Band 3i comparison
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| key specs |
| Display Type | AMOLED | AMOLED |
| Water Resistant | Yes | Yes |
| Heart Rate Monitor | Yes | No |
| Battery Life (Days) | 7 | 20 |
| Compatible Devices | - | Android phones, iPhone |
| general |
| Brand | Huami | Mi |
| Model | Amazfit X | Smart Band 3i |
| Release date | April 29, 2020 | November 1, 2019 |
| Model Name | Amazfit X | Band 3i |
| Color | Eclipse Black, New Moon Gold | Black |
| Touch Enabled | Yes | Yes |
| Water Resistant | Yes | Yes |
| Dial Shape | Curved | Oval |
| Reading Type | - | Digital |
| Ideal For | - | Unisex |
| Material | - | Thermoplastic |
| Suitable For | - | Sports, Fitness |
| Function | - | Show Time/Date, Alarm Clock, Display / Reject Calls, View Messages, Idle Alert, Phone Unlock, Event Reminders, Phone Locator, Weather Forecast, App Notifications, |
| display and battery features |
| Display Resolution | 206x640 | 128 x 80 Pixels |
| Display Type | AMOLED | AMOLED |
| Battery Life (Days) | 7 | 20 |
| Battery Type | Lithium Polymer (Li-poly) | Lithium Ion (Li-ion) |
| Battery Capacity (mAh) | 200 | 110 |
| Backlight Present | - | Yes |
| Charge Time (hours) | - | 2.5 |
| performance features |
| Water-Resistant Depth (metres) | 50 | - |
| connectivity features |
| Bluetooth Enabled | Yes | Yes |
| Bluetooth Version | v5.0 | v4.2 |
| Wi-Fi Enabled | - | No |
| activity tracking function |
| Alarms | Yes | Yes |
| Blood Pressure Monitor | Yes | - |
| Calories Burned | Yes | Yes |
| Distance Covered | Yes | Yes |
| Heart Rate Monitor | Yes | No |
| Phone Notifications | Yes | Yes |
| Reminders | Yes | Yes |
| Sleep Tracking | Yes | Yes |
| SPO2 Monitor | Yes | - |
| Step Counter | Yes | Yes |
| Do Not Disturb Mode | - | Yes |
| Sedentary Reminder | - | Yes |
| workout modes |
| Treadmill | Yes | Yes |
| Exercise | Yes | Yes |
| Outdoor Running | Yes | Yes |
| Cycling | Yes | Yes |
| Walking | Yes | Yes |
| Swimming | Yes | - |
| sensors |
| Accelerometer | Yes | Yes |
| Ambient Light Sensor | Yes | - |
| Gyroscope | Yes | - |
| Optical Heart Rate Sensor | Yes | - |
| Pedometer | Yes | Yes |
| Vibration Motor | Yes | - |
| dimensions |
| Weight (grams) | 39 | - |
| Width (mm) | 22.6 | - |
| Depth (mm) | 13.6 | - |
| compatibility |
| Compatible Devices | - | Android phones, iPhone |
| Compatible Android Version | - | Android 4.4 and above |
| Compatible iOS Version | - | iOS 9.0 and above |
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