Side by side comparison and review of Garmin Forerunner 45S and Garmin Forerunner 45. 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 | Garmin Forerunner 45S | Garmin Forerunner 45 |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | iOS, Android |
| Wearing Style | Watch style | Watch style |
| Width | 39.5 mm | 42 mm |
| Height | 39.5 mm | 42 mm |
| Depth | 11.4 mm | 11.4 mm |
| Weight | 32 g | 36 g |
| Protection | Waterproof | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45S | Garmin Forerunner 45 |
|---|
| Sensors | Accelerometer, heart rate | Accelerometer, heart rate |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, sleep activity, heart rate, stress level | Distance, time, speed, calories burned, sleep activity, heart rate, stress level |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device | Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device |
| Notifications | Calendar, Email, social apps | Calendar, Email, social apps |
| Vibrating Alert | Yes | Yes |
| CONNECTIVITY | Garmin Forerunner 45S | Garmin Forerunner 45 |
|---|
| Wireless Interface | Bluetooth, ANT+ | Bluetooth, ANT+ |
|---|
| DISPLAY | Garmin Forerunner 45S | Garmin Forerunner 45 |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | Memory-in-Pixel LCD - colour - transflective |
|---|---|---|
| Resolution | 208 x 208 pixels | 208 x 208 pixels |
| Screen Size | 1.04" | 1.04" |
| CASE | Garmin Forerunner 45S | Garmin Forerunner 45 |
|---|
| Case Shape | Round | Round |
|---|---|---|
| Case Details | White | Iris | Black | Black |
| BAND | Garmin Forerunner 45S | Garmin Forerunner 45 |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | S | L |
| Fits Wrist with Circumference | 124-185 mm | 129-197 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | White | Iris | Black | Black | Lava red |
| BATTERY | Garmin Forerunner 45S | Garmin Forerunner 45 |
|---|
| Battery Life Details | GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
|---|
| MISCELLANEOUS | Garmin Forerunner 45S | Garmin Forerunner 45 |
|---|
| Included Accessories | Charging/data cable | Charging/data cable |
|---|---|---|
| Max Depth of Water Resistance | 50 m | 50 m |
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