In depth comparison and review of Garmin fēnix 5S Plus and Garmin Forerunner 45S. 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 fēnix 5S Plus | Garmin Forerunner 45S |
|---|
| Product Type | Sport watch | Sport watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | iOS, Android |
| Activity/Sport | Multisport | - |
| Wearing Style | Watch style | Watch style |
| Width | 42 mm | 39.5 mm |
| Height | 42 mm | 39.5 mm |
| Depth | 15.4 mm | 11.4 mm |
| Weight | 65 g | 32 g |
| Body Material | Stainless steel, fibreglass reinforced polymer | - |
| Protection | Waterproof | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Garmin fēnix 5S Plus | Garmin Forerunner 45S |
|---|
| Sensors | Accelerometer, 3-axis gyro sensor, digital compass, thermometre, barometric altimeter, optical heart sensor | Accelerometer, heart rate |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, blood oxygen saturation, pace, stress level, temperature | Distance, time, speed, calories burned, sleep activity, heart rate, stress level |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, find phone function, call alerts, Bluetooth Smart technology, automatic exercise recognition, VIRB control, inactivity alert, Move IQ, Side Swipe interface, Find my Device, Downloadable workouts, store & play music, sunrise/sunset times, LiveTrack, Live Event Sharing, Live Delta Time, auto lap splits, dual grid coordinates format | Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device |
| Notifications | Calendar, SMS, Email | Calendar, Email, social apps |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | - |
| Navigation (GPS) | GPS/GLONASS/Galileo receiver | - |
| Payment Technology | Garmin Pay | - |
| CONNECTIVITY | Garmin fēnix 5S Plus | Garmin Forerunner 45S |
|---|
| Wireless Interface | Bluetooth, ANT+/ANT | Bluetooth, ANT+ |
|---|---|---|
| Bluetooth Profiles | Heart Rate Monitor (HRM) | - |
| DISPLAY | Garmin fēnix 5S Plus | Garmin Forerunner 45S |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | Memory-in-Pixel LCD - colour - transflective |
|---|---|---|
| Resolution | 240 x 240 pixels | 208 x 208 pixels |
| Screen Size | 1.2" | 1.04" |
| Screen Protection | Sapphire glass | - |
| INPUT DEVICE | Garmin fēnix 5S Plus | Garmin Forerunner 45S |
|---|
| Type | Touch sensitive screen | - |
|---|
| CASE | Garmin fēnix 5S Plus | Garmin Forerunner 45S |
|---|
| Case Size | 42 mm | - |
|---|---|---|
| Crystal Type | Domed sapphire crystal | - |
| Case Shape | Round | Round |
| Bezel | Stainless steel | - |
| Case Details | White | Rose gold | Silver | White | Iris | Black |
| BAND | Garmin fēnix 5S Plus | Garmin Forerunner 45S |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | - | S |
| Band Width | 20 mm | - |
| Fits Wrist with Circumference | 145-217 mm | 124-185 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | White | Black | Sea foam | White | Iris | Black |
| STORAGE | Garmin fēnix 5S Plus | Garmin Forerunner 45S |
|---|
| Storage Capacity | 16 GB | - |
|---|
| BATTERY | Garmin fēnix 5S Plus | Garmin Forerunner 45S |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Battery Life | 7 day(s) | - |
| Battery Life Details | GPS mode - up to 11 hour(s) GPS with Music mode - up to 4.5 hour(s) UltraTrac mode - up to 25 hour(s) Smartwatch mode - up to 7 days |
GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
| Rechargeable Battery | Yes | - |
| MISCELLANEOUS | Garmin fēnix 5S Plus | Garmin Forerunner 45S |
|---|
| Included Accessories | Charging/data cable | Charging/data cable |
|---|---|---|
| Preloaded Software | Calendar, Chronograph, Alarm Clock, Weather, Timer, Find My Phone, Fitness Age, Move IQ, Garmin Pay, CONNECT IQ, Spotify, Find My Watch, Race App | - |
| Max Depth of Water Resistance | 100 m | 50 m |
| Warranty | 1-year warranty | - |
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