Side by side comparison and review of Fitbit Blaze and Garmin Forerunner 45S. 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 Blaze | Garmin Forerunner 45S |
|---|
| Product Type | Smart watch | Sport watch |
|---|---|---|
| Supported Host Device OS | iOS, Android, Windows Phone | iOS, Android |
| Wearing Style | Watch style | Watch style |
| Width | 42 mm | 39.5 mm |
| Height | - | 39.5 mm |
| Depth | - | 11.4 mm |
| Weight | 44 g | 32 g |
| Body Material | Stainless steel | - |
| Protection | Weatherproof, splashproof, sweatproof | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Fitbit Blaze | Garmin Forerunner 45S |
|---|
| Sensors | Ambient light sensor, altimeter, 3-axis accelerometer | Accelerometer, heart rate |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed | Distance, time, speed, calories burned, sleep activity, heart rate, stress level |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, HR zones, PurePulse heart rate technology, automatic exercise recognition, changeable frame | Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device |
| Notifications | Missed calls, calendar, SMS | Calendar, Email, social apps |
| Vibrating Alert | Yes | Yes |
| CONNECTIVITY | Fitbit Blaze | Garmin Forerunner 45S |
|---|
| Wireless Interface | Bluetooth 4.0 | Bluetooth, ANT+ |
|---|
| DISPLAY | Fitbit Blaze | Garmin Forerunner 45S |
|---|
| Type | LCD - colour | Memory-in-Pixel LCD - colour - transflective |
|---|---|---|
| Resolution | - | 208 x 208 pixels |
| Screen Size | - | 1.04" |
| INPUT DEVICE | Fitbit Blaze | Garmin Forerunner 45S |
|---|
| Type | Touch sensitive screen | - |
|---|
| CASE | Fitbit Blaze | Garmin Forerunner 45S |
|---|
| Case Shape | - | Round |
|---|---|---|
| Case Details | Gold | Gunmetal | White | Iris | Black |
| BAND | Fitbit Blaze | Garmin Forerunner 45S |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | S | S |
| Fits Wrist with Circumference | 140-170 mm | 124-185 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Elastomer | Silicone |
| Band Colour | Slim pink | Black | Blue | Plum | White | Iris | Black |
| BATTERY | Fitbit Blaze | Garmin Forerunner 45S |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Battery Life | 5 day(s) | - |
| Battery Life Details | - | GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
| Recharge Time | 2 hour(s) | - |
| MISCELLANEOUS | Fitbit Blaze | Garmin Forerunner 45S |
|---|
| Included Accessories | USB charging cable | Charging/data cable |
|---|---|---|
| Preloaded Software | Clock, Silent alarm | - |
| Max Depth of Water Resistance | 10 m | 50 m |
| Max Operating Temperature | 60 °C | - |
| Min Operating Temperature | -10 °C | - |
| Warranty | 1-year warranty | - |
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