Side by side comparison and review of Garmin Forerunner 45S and Garmin fenix 5X. 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 fenix 5X |
|---|
| Product Type | Sport watch | Sport watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | iOS, Android |
| Wearing Style | Watch style | Watch style |
| Width | 39.5 mm | - |
| Height | 39.5 mm | - |
| Depth | 11.4 mm | - |
| Weight | 32 g | - |
| Body Details | - | With band: 98 mm |
| Body Material | - | Stainless steel, fibreglass reinforced polymer |
| Protection | Waterproof | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45S | Garmin fenix 5X |
|---|
| Sensors | Accelerometer, heart rate | Accelerometer, digital compass, thermometre, gyro sensor, barometric altimeter, optical heart sensor |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, sleep activity, heart rate, stress level | Distance, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, blood oxygen saturation, pace, stress level, temperature |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device | Find phone function, VO2 max, call alerts, Bluetooth Smart technology, automatic exercise recognition, VIRB control, Move IQ, Find my Device, store & play music, sunrise/sunset times, LiveTrack, auto lap, Physio TrueUp, weather information |
| Notifications | Calendar, Email, social apps | Calendar, SMS, Email |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | - | GPS/GLONASS/Galileo receiver |
| CONNECTIVITY | Garmin Forerunner 45S | Garmin fenix 5X |
|---|
| Wireless Interface | Bluetooth, ANT+ | Bluetooth, ANT+/ANT |
|---|
| DISPLAY | Garmin Forerunner 45S | Garmin fenix 5X |
|---|
| 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 | - | Sapphire glass |
| INPUT DEVICE | Garmin Forerunner 45S | Garmin fenix 5X |
|---|
| Type | - | Touch sensitive screen |
|---|
| CASE | Garmin Forerunner 45S | Garmin fenix 5X |
|---|
| Case Size | - | 51 mm |
|---|---|---|
| Crystal Type | - | Domed sapphire crystal |
| Case Shape | Round | Round |
| Bezel | - | Stainless steel |
| Case Details | White | Iris | Black | Slate grey |
| BAND | Garmin Forerunner 45S | Garmin fenix 5X |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | S | - |
| Band Width | - | 26 mm |
| Fits Wrist with Circumference | 124-185 mm | - |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | White | Iris | Black | Black |
| STORAGE | Garmin Forerunner 45S | Garmin fenix 5X |
|---|
| Storage Capacity | - | 12 GB |
|---|
| BATTERY | Garmin Forerunner 45S | Garmin fenix 5X |
|---|
| Technology | - | Lithium Ion |
|---|---|---|
| Battery Life Details | GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
GPS mode - up to 20 hour(s) UltraTrac mode - up to 35 hour(s) Smartwatch mode - up to 12 days |
| Rechargeable Battery | - | Yes |
| MISCELLANEOUS | Garmin Forerunner 45S | Garmin fenix 5X |
|---|
| Included Accessories | Charging/data cable | Charging cable |
|---|---|---|
| Max Depth of Water Resistance | 50 m | 100 m |
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