In depth comparison and review of Fitbit Ionic and Xiaomi Watch S1 Active. 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 | Fitbit Ionic | Xiaomi Watch S1 Active |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS, Android, Windows Phone | iOS 10 or later, Android 6.0 (Marshmallow) or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | 38.6 mm | - |
| Height | 12.4 mm | - |
| Lenght | 256.5 mm | - |
| Depth | 12.4 mm | - |
| Weight | 50 g | - |
| Body Details | - | Case only: 36.3 g |
| Body Material | Aerospace-grade aluminium | Glass fibre reinforced polyamide |
| Protection | Water-resistant | Water-resistant |
| Colours | Charcoal, smoke grey | Burnt orange, slate blue | Blue grey, silver grey | Ocean blue | Moon white |
| Clock Display | - | Yes |
| FEATURES | Fitbit Ionic | Xiaomi Watch S1 Active |
|---|
| Sensors | Accelerometer, altimeter, heart rate | Accelerometer, ambient light sensor, barometer, SpO2 sensor, geomagnetic sensor, optical heart sensor, PPG sensor, gyroscope |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, pace, sleep stages, swim laps, active time | Distance, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level |
| Modes | - | 117 fitness modes, 19 professional modes |
| Goal Setting | Yes | Yes |
| Features | PurePulse heart rate technology, automatic exercise recognition, SmartTrack | Call handling, find phone function, flashlight, automatic exercise recognition, breathing training function, music playback control, weather information, customisable watch faces, Health index, Women's health |
| Notifications | Missed calls, calendar, SMS, social apps | SMS, Email, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | - | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Fitbit Ionic | Xiaomi Watch S1 Active |
|---|
| Wireless Interface | Bluetooth, IEEE 802.11b/g/n, NFC | IEEE 802.11b/g/n, NFC, Bluetooth 5.2 |
|---|
| DISPLAY | Fitbit Ionic | Xiaomi Watch S1 Active |
|---|
| Type | LCD - colour | AMOLED - colour |
|---|---|---|
| Resolution | - | 466 x 466 pixels |
| Screen Size | - | 1.43" |
| Pixel Density | - | 326 ppi |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | - |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Fitbit Ionic | Xiaomi Watch S1 Active |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push buttons |
|---|
| CASE | Fitbit Ionic | Xiaomi Watch S1 Active |
|---|
| Case Shape | - | Round |
|---|---|---|
| Bezel | - | Metal |
| Case Details | Silver grey aluminium | Blue | Silver | Space black |
| BAND | Fitbit Ionic | Xiaomi Watch S1 Active |
|---|
| Band Type | Sport band | Strap |
|---|---|---|
| Fits Wrist with Circumference | - | 160-220 mm |
| Changeable | - | Yes |
| Clasp Type | - | Buckle |
| Band Material | - | TPU |
| Band Colour | Ink blue/ice grey | Blue | White | Black |
| BATTERY | Fitbit Ionic | Xiaomi Watch S1 Active |
|---|
| Capacity | - | 470 mAh |
|---|---|---|
| Battery Life | 4 day(s) | 12 day(s) |
| Battery Life Details | - | Typical usage - up to 12 days Power saving mode - up to 24 days GPS mode - up to 30 hour(s) |
| Rechargeable Battery | - | Yes |
| Recharge Time | - | 2.5 hour(s) |
| MISCELLANEOUS | Fitbit Ionic | Xiaomi Watch S1 Active |
|---|
| Included Accessories | Charging cable, 2 wristbands (S+L) | Magnetic charging cable |
|---|---|---|
| Compliant Standards | - | GB/T 30106-2013 |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | -10 °C |
| Warranty | 1-year warranty | 2-year warranty |
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