In depth comparison and review of Fitbit Ionic and Samsung Galaxy Watch4. 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 | Samsung Galaxy Watch4 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | - | Wear OS by Samsung |
| Supported Host Device OS | iOS, Android, Windows Phone | Android 6.0 (Marshmallow) or later |
| Wearing Style | Watch style | Watch style |
| Width | 38.6 mm | 39.3 mm |
| Height | 12.4 mm | 40.4 mm |
| Lenght | 256.5 mm | - |
| Depth | 12.4 mm | 9.7 mm |
| Weight | 50 g | 25.9 g |
| Body Material | Aerospace-grade aluminium | Aluminium |
| Protection | Water-resistant | Waterproof |
| Colours | Charcoal, smoke grey | Burnt orange, slate blue | Blue grey, silver grey | - |
| Clock Display | - | Yes |
| FEATURES | Fitbit Ionic | Samsung Galaxy Watch4 |
|---|
| Sensors | Accelerometer, altimeter, heart rate | Accelerometer, ambient light sensor, barometer, gyro sensor, bioimpedance sensor, electromagnetic compass, optical heart sensor, electrical heart sensor |
|---|---|---|
| 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, body composition, ECG, REM phases |
| Goal Setting | Yes | Yes |
| Features | PurePulse heart rate technology, automatic exercise recognition, SmartTrack | Find phone function, VO2 max, automatic exercise recognition, personalised coaching |
| Notifications | Missed calls, calendar, SMS, social apps | Calendar, SMS, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Digital Player | - | MP3, WAV, AAC, AMR, M4A, OGG, 3GA, AWB, OGA |
| Navigation (GPS) | - | GPS/GLONASS/Galileo/BeiDou receiver |
| CELLULAR | Fitbit Ionic | Samsung Galaxy Watch4 |
|---|
| Technology | - | WCDMA (UMTS) |
|---|---|---|
| Mobile Broadband Generation | - | 4G |
| SIM Card Type | - | Electronic SIM card (e-SIM) |
| CONNECTIVITY | Fitbit Ionic | Samsung Galaxy Watch4 |
|---|
| Wireless Interface | Bluetooth, IEEE 802.11b/g/n, NFC | NFC, IEEE 802.11a/b/g/n, Bluetooth 5.0 |
|---|---|---|
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) |
| DISPLAY | Fitbit Ionic | Samsung Galaxy Watch4 |
|---|
| Type | LCD - colour | Super AMOLED - colour |
|---|---|---|
| Resolution | - | 396 x 396 pixels |
| Screen Size | - | 1.19" |
| Aspect Ratio | - | Full circle |
| Pixel Density | - | 330 ppi |
| Colour Depth | - | 24-bit (16.7 million colours) |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | Corning Gorilla Glass DX+ (scratch resistant glass) |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Fitbit Ionic | Samsung Galaxy Watch4 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push buttons |
|---|
| CASE | Fitbit Ionic | Samsung Galaxy Watch4 |
|---|
| Case Size | - | 40 mm |
|---|---|---|
| Case Shape | - | Round |
| Case Details | Silver grey aluminium | Pink gold | Black | Silver |
| BAND | Fitbit Ionic | Samsung Galaxy Watch4 |
|---|
| Band Type | Sport band | Sport band |
|---|---|---|
| Changeable | - | Yes |
| Clasp Type | - | Buckle |
| Band Colour | Ink blue/ice grey | Pink | Black | White |
| STORAGE | Fitbit Ionic | Samsung Galaxy Watch4 |
|---|
| Storage Capacity | - | 16 GB |
|---|---|---|
| User Memory | - | 7.6 GB |
| RAM | Fitbit Ionic | Samsung Galaxy Watch4 |
|---|
| RAM Size | - | 1.5 GB |
|---|
| CPU | Fitbit Ionic | Samsung Galaxy Watch4 |
|---|
| Manufacturer | - | Samsung |
|---|---|---|
| CPU Type | - | Exynos W920 |
| Clock Speed | - | 1.18 GHz |
| BATTERY | Fitbit Ionic | Samsung Galaxy Watch4 |
|---|
| Capacity | - | 247 mAh |
|---|---|---|
| Battery Life | 4 day(s) | 40 hours |
| Rechargeable Battery | - | Yes |
| Wireless Charging | - | Yes |
| Wireless Charging Standards | - | WPC, Wireless PowerShare |
| MISCELLANEOUS | Fitbit Ionic | Samsung Galaxy Watch4 |
|---|
| Included Accessories | Charging cable, 2 wristbands (S+L) | Wireless charging dock |
|---|---|---|
| Compliant Standards | - | MIL-STD 810G, IP68 |
| SAR Value | - | 0.729 W/kg (head), 2.594 W/kg (limb) |
| Max Depth of Water Resistance | 50 m | 50 m |
| Manufacturer Model Number | - | SM-R865F |
| Warranty | 1-year warranty | 2-year warranty |
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