In depth comparison and review of Fitbit Ionic and Amazfit Stratos 2S. 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 | Amazfit Stratos 2S |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS, Android, Windows Phone | Android 4.4 (KitKat) or later, iOS 9 or later |
| Wearing Style | Watch style | Watch style |
| Width | 38.6 mm | - |
| Height | 12.4 mm | - |
| Lenght | 256.5 mm | - |
| Depth | 12.4 mm | - |
| Weight | 50 g | - |
| Body Material | Aerospace-grade aluminium | - |
| Protection | Water-resistant | Dustproof, waterproof |
| Colours | Charcoal, smoke grey | Burnt orange, slate blue | Blue grey, silver grey | - |
| Clock Display | - | Yes |
| FEATURES | Fitbit Ionic | Amazfit Stratos 2S |
|---|
| Sensors | Accelerometer, altimeter, heart rate | Ambient light sensor, gyro sensor, heart rate, geomagnetic sensor, 3-axis accelerometer |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, pace, sleep stages, swim laps, active time | Distance, time, speed, calories burned, sleep activity, heart rate, pace, cadence, oxygen level |
| Goal Setting | Yes | - |
| Features | PurePulse heart rate technology, automatic exercise recognition, SmartTrack | Listening to music, idle alert |
| Notifications | Missed calls, calendar, SMS, social apps | Missed calls, SMS, Email, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| CONNECTIVITY | Fitbit Ionic | Amazfit Stratos 2S |
|---|
| Wireless Interface | Bluetooth, IEEE 802.11b/g/n, NFC | IEEE 802.11b/g/n, Bluetooth 4.0 |
|---|
| DISPLAY | Fitbit Ionic | Amazfit Stratos 2S |
|---|
| Type | LCD - colour | LCD - colour - transflective |
|---|---|---|
| Resolution | - | 320 x 300 pixels |
| Screen Size | - | 1.34" |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | Dinorex Glass (scratch resistant glass) |
| INPUT DEVICE | Fitbit Ionic | Amazfit Stratos 2S |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Fitbit Ionic | Amazfit Stratos 2S |
|---|
| Case Shape | - | Round |
|---|---|---|
| Bezel | - | Ceramic black |
| Case Details | Silver grey aluminium | Carbon fibre |
| BAND | Fitbit Ionic | Amazfit Stratos 2S |
|---|
| Band Type | Sport band | Band |
|---|---|---|
| Band Width | - | 22 mm |
| Changeable | - | Yes |
| Clasp Type | - | Buckle |
| Band Material | - | Leather |
| Band Colour | Ink blue/ice grey | Black |
| STORAGE | Fitbit Ionic | Amazfit Stratos 2S |
|---|
| Storage Capacity | - | 4 GB |
|---|---|---|
| User Memory | - | 2 GB |
| RAM | Fitbit Ionic | Amazfit Stratos 2S |
|---|
| RAM Size | - | 512 MB |
|---|
| CPU | Fitbit Ionic | Amazfit Stratos 2S |
|---|
| Clock Speed | - | 1.2 GHz |
|---|
| BATTERY | Fitbit Ionic | Amazfit Stratos 2S |
|---|
| Capacity | - | 290 mAh |
|---|---|---|
| Battery Life | 4 day(s) | - |
| Standby Time | - | 5 days |
| MISCELLANEOUS | Fitbit Ionic | Amazfit Stratos 2S |
|---|
| Included Accessories | Charging cable, 2 wristbands (S+L) | - |
|---|---|---|
| Max Depth of Water Resistance | 50 m | 50 m |
| Warranty | 1-year warranty | - |
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