Fitbit Charge 4 vs Mi Smart Band 3i comparison
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key specs |
Water Resistant | Yes | Yes |
Heart Rate Monitor | Yes | No |
Compatible Devices | iOS and Android | Android phones, iPhone |
Battery Life (Days) | 7 | 20 |
Display Type | - | AMOLED |
general |
Brand | Fitbit | Mi |
Model | Charge 4 | Smart Band 3i |
Release date | March 31, 2020 | November 1, 2019 |
Reading Type | Digital | Digital |
Ideal For | Unisex | Unisex |
Suitable For | Sports, Fitness | Sports, Fitness |
Water Resistant | Yes | Yes |
Model Name | - | Band 3i |
Color | - | Black |
Material | - | Thermoplastic |
Touch Enabled | - | Yes |
Function | - | Show Time/Date, Alarm Clock, Display / Reject Calls, View Messages, Idle Alert, Phone Unlock, Event Reminders, Phone Locator, Weather Forecast, App Notifications, |
Dial Shape | - | Oval |
display and battery features |
Battery Life (Days) | 7 | 20 |
Battery Type | Lithium Polymer (Li-poly) | Lithium Ion (Li-ion) |
Display Resolution | - | 128 x 80 Pixels |
Display Type | - | AMOLED |
Backlight Present | - | Yes |
Charge Time (hours) | - | 2.5 |
Battery Capacity (mAh) | - | 110 |
performance features |
Water-Resistant Depth (metres) | 50 | - |
connectivity features |
Bluetooth Enabled | Yes | Yes |
Bluetooth Version | v4 | v4.2 |
Wi-Fi Enabled | - | No |
compatibility |
Compatible Devices | iOS and Android | Android phones, iPhone |
Compatible Android Version | - | Android 4.4 and above |
Compatible iOS Version | - | iOS 9.0 and above |
activity tracking function |
Heart Rate Monitor | Yes | No |
Step Counter | Yes | Yes |
Alarms | - | Yes |
Calories Burned | - | Yes |
Distance Covered | - | Yes |
Do Not Disturb Mode | - | Yes |
Phone Notifications | - | Yes |
Reminders | - | Yes |
Sedentary Reminder | - | Yes |
Sleep Tracking | - | Yes |
sensors |
Accelerometer | Yes | Yes |
Barometric Altimeter | Yes | - |
Optical Heart Rate Sensor | Yes | - |
Vibration Motor | Yes | - |
Pedometer | - | Yes |
dimensions |
Width (mm) | 22.7 | - |
Height (mm) | 35.8 | - |
Depth (mm) | 12.5 | - |
workout modes |
Treadmill | - | Yes |
Exercise | - | Yes |
Outdoor Running | - | Yes |
Cycling | - | Yes |
Walking | - | Yes |
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