In depth comparison and review of Fitbit Ionic and Garmin Forerunner 745. 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 | Garmin Forerunner 745 |
|---|
| Product Type | Smart watch | Sport watch |
|---|---|---|
| Supported Host Device OS | iOS, Android, Windows Phone | iOS, Android |
| Wearing Style | Watch style | Watch style |
| Width | 38.6 mm | 43.8 mm |
| Height | 12.4 mm | 43.8 mm |
| Lenght | 256.5 mm | - |
| Depth | 12.4 mm | 13.3 mm |
| Weight | 50 g | 47 g |
| Body Material | Aerospace-grade aluminium | Fibre-reinforced polymer |
| Protection | Water-resistant | Water-resistant |
| Colours | Charcoal, smoke grey | Burnt orange, slate blue | Blue grey, silver grey | - |
| Clock Display | - | Yes |
| FEATURES | Fitbit Ionic | Garmin Forerunner 745 |
|---|
| Sensors | Accelerometer, altimeter, heart rate | Accelerometer, digital compass, thermometre, gyro sensor, heart rate, barometric altimeter, Pulse Ox sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, pace, sleep stages, swim laps, active time | Distance, time, calories burned, sleep activity, heart rate, steps taken, floors climbed, blood oxygen saturation, stress level, menstrual cycle, temperature, hydration, recovery time, training load |
| Goal Setting | Yes | Yes |
| Features | PurePulse heart rate technology, automatic exercise recognition, SmartTrack | Find phone function, VO2 max, HR zones, VIRB control, Move IQ, Garmin Connect compatible, Find my Device, store & play music, rejecting a call, Garmin Elevate, LiveTrack, TrueUp, Body Battery, auto lap, Physio TrueUp, music playback control, weather information |
| Notifications | Missed calls, calendar, SMS, social apps | Calendar, SMS, Email, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | - | GPS/GLONASS/Galileo receiver |
| Payment Technology | - | Garmin Pay |
| CONNECTIVITY | Fitbit Ionic | Garmin Forerunner 745 |
|---|
| Wireless Interface | Bluetooth, IEEE 802.11b/g/n, NFC | Bluetooth, Wi-Fi, NFC, ANT+ |
|---|
| DISPLAY | Fitbit Ionic | Garmin Forerunner 745 |
|---|
| Type | LCD - colour | Memory-in-Pixel LCD - colour - transflective |
|---|---|---|
| Resolution | - | 240 x 240 pixels |
| Screen Size | - | 1.2" |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | Corning Gorilla Glass DX (scratch resistant glass) |
| INPUT DEVICE | Fitbit Ionic | Garmin Forerunner 745 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Fitbit Ionic | Garmin Forerunner 745 |
|---|
| Case Shape | - | Round |
|---|---|---|
| Bezel | - | Fibre-reinforced polymer |
| Case Details | Silver grey aluminium | Black | Neo tropic |
| BAND | Fitbit Ionic | Garmin Forerunner 745 |
|---|
| Band Type | Sport band | Band |
|---|---|---|
| Band Width | - | 22 mm |
| Fits Wrist with Circumference | - | 126-216 mm |
| Changeable | - | Yes |
| Clasp Type | - | Buckle |
| Band Material | - | Silicone |
| Band Colour | Ink blue/ice grey | Black |
| BATTERY | Fitbit Ionic | Garmin Forerunner 745 |
|---|
| Technology | - | Lithium Ion |
|---|---|---|
| Battery Life | 4 day(s) | 7 day(s) |
| Battery Life Details | - | Smartwatch mode - up to 7 days GPS mode - up to 16 hour(s) GPS with Music mode - up to 6 hour(s) UltraTrac mode - up to 21 hour(s) |
| MISCELLANEOUS | Fitbit Ionic | Garmin Forerunner 745 |
|---|
| Included Accessories | Charging cable, 2 wristbands (S+L) | USB cable |
|---|---|---|
| Preloaded Software | - | Garmin Pay, Garmion Connect IQ |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | - | 60 °C |
| Min Operating Temperature | - | -20 °C |
| Warranty | 1-year warranty | 1-year warranty |
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