Side by side comparison and review of Fitbit Ionic and Garmin Forerunner 245. Compare design, displays, functions, batteries and other key specifications and features to simplify the choice of your perfect smartwatch. Our goal is to make it easier for you to decide on the watch that will best meet your expectations by revealing the main differences between the products.
| GENERAL | Fitbit Ionic | Garmin Forerunner 245 |
|---|
| Product Type | Smart watch | Sport watch |
|---|---|---|
| Supported Host Device OS | iOS, Android, Windows Phone | - |
| Activity/Sport | - | Running, swimming, ski, cycling |
| Wearing Style | Watch style | Watch style |
| Width | 38.6 mm | 42.3 mm |
| Height | 12.4 mm | 42.3 mm |
| Lenght | 256.5 mm | - |
| Depth | 12.4 mm | 12.2 mm |
| Weight | 50 g | 38.5 g |
| Body Material | Aerospace-grade aluminium | Fibre-reinforced polymer |
| Protection | Water-resistant | Waterproof |
| Colours | Charcoal, smoke grey | Burnt orange, slate blue | Blue grey, silver grey | Black |
| Clock Display | - | Yes |
| FEATURES | Fitbit Ionic | Garmin Forerunner 245 |
|---|
| Sensors | Accelerometer, altimeter, heart rate | Accelerometer, electromagnetic compass, optical heart sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, pace, sleep stages, swim laps, active time | Distance, time, speed, heart rate, stress level |
| Goal Setting | Yes | Yes |
| Features | PurePulse heart rate technology, automatic exercise recognition, SmartTrack | Music remote handling, camera remote control, find phone function, VO2 max, HR zones, Move IQ, Garmin Connect compatible, Find my Device, rejecting a call, Garmin Elevate, TrueUp, Body Battery |
| Notifications | Missed calls, calendar, SMS, social apps | SMS, social apps, incoming calls |
| Vibrating Alert | Yes | - |
| Navigation (GPS) | - | GPS/GLONASS/Galileo receiver |
| CONNECTIVITY | Fitbit Ionic | Garmin Forerunner 245 |
|---|
| Wireless Interface | Bluetooth, IEEE 802.11b/g/n, NFC | Bluetooth, ANT+ |
|---|
| DISPLAY | Fitbit Ionic | Garmin Forerunner 245 |
|---|
| 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 3 (scratch resistant glass) |
| INPUT DEVICE | Fitbit Ionic | Garmin Forerunner 245 |
|---|
| Type | Touch sensitive screen | - |
|---|
| CASE | Fitbit Ionic | Garmin Forerunner 245 |
|---|
| Case Shape | - | Round |
|---|---|---|
| Case Details | Silver grey aluminium | Black |
| BAND | Fitbit Ionic | Garmin Forerunner 245 |
|---|
| Band Type | Sport band | Band |
|---|---|---|
| Band Width | - | 20 mm |
| Fits Wrist with Circumference | - | 127-204 mm |
| Changeable | - | Yes |
| Clasp Type | - | Buckle |
| Band Material | - | Silicone |
| Band Colour | Ink blue/ice grey | Grey | Merlot |
| BATTERY | Fitbit Ionic | Garmin Forerunner 245 |
|---|
| Battery Life | 4 day(s) | - |
|---|---|---|
| Battery Life Details | - | GPS mode - up to 24 hour(s) Smartwatch mode - up to 7 days |
| MISCELLANEOUS | Fitbit Ionic | Garmin Forerunner 245 |
|---|
| Included Accessories | Charging cable, 2 wristbands (S+L) | Charging/data cable |
|---|---|---|
| Preloaded Software | - | Calendar, Weather, Timer, Fitness Age |
| Max Depth of Water Resistance | 50 m | 50 m |
| Warranty | 1-year warranty | - |
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