In depth comparison and review of Garmin Forerunner 45S and Garmin Forerunner 245 Music. 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 | Garmin Forerunner 45S | Garmin Forerunner 245 Music |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | - |
| Activity/Sport | - | Running, swimming, ski, cycling |
| Wearing Style | Watch style | Watch style |
| Width | 39.5 mm | 42.3 mm |
| Height | 39.5 mm | 42.3 mm |
| Depth | 11.4 mm | 12.2 mm |
| Weight | 32 g | 38.5 g |
| Body Material | - | Fibre-reinforced polymer |
| Protection | Waterproof | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45S | Garmin Forerunner 245 Music |
|---|
| Sensors | Accelerometer, heart rate | Accelerometer, heart rate, electromagnetic compass |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, sleep activity, heart rate, stress level | Distance, time, speed, calories burned, heart rate (with optional heart rate sensor), sleep activity, steps taken, blood oxygen saturation, stress level |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device | Camera remote control, find phone function, inactivity alert, Garmin Connect compatible, Find my Device, store & play music |
| Notifications | Calendar, Email, social apps | - |
| Vibrating Alert | Yes | - |
| Navigation (GPS) | - | GPS/GLONASS/Galileo receiver |
| CONNECTIVITY | Garmin Forerunner 45S | Garmin Forerunner 245 Music |
|---|
| Wireless Interface | Bluetooth, ANT+ | Bluetooth, Wi-Fi, ANT+ |
|---|
| DISPLAY | Garmin Forerunner 45S | Garmin Forerunner 245 Music |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | Memory-in-Pixel LCD - colour - transflective |
|---|---|---|
| Resolution | 208 x 208 pixels | 240 x 240 pixels |
| Screen Size | 1.04" | 1.2" |
| Screen Protection | - | Corning Gorilla Glass 3 (scratch resistant glass) |
| CASE | Garmin Forerunner 45S | Garmin Forerunner 245 Music |
|---|
| Case Shape | Round | Round |
|---|---|---|
| Case Details | White | Iris | Black | - |
| BAND | Garmin Forerunner 45S | Garmin Forerunner 245 Music |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | S | - |
| Fits Wrist with Circumference | 124-185 mm | 127-204 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | White | Iris | Black | Aqua |
| BATTERY | Garmin Forerunner 45S | Garmin Forerunner 245 Music |
|---|
| Battery Life Details | GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
Smartwatch mode - up to 7 days GPS mode - up to 24 hour(s) GPS with Music mode - up to 6 hour(s) |
|---|
| MISCELLANEOUS | Garmin Forerunner 45S | Garmin Forerunner 245 Music |
|---|
| Included Accessories | Charging/data cable | Charging/data cable |
|---|---|---|
| Preloaded Software | - | Calendar, Weather, Timer, Fitness Age |
| Max Depth of Water Resistance | 50 m | 50 m |
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