Detailed comparison and review of Garmin Forerunner 45 and Garmin Approach S20. With our comprehensive overview, you can simply compare size, design, functions, battery capacities, but also other key features of both smartwatches and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the watch that best fits your needs and expectations.
| GENERAL | Garmin Forerunner 45 | Garmin Approach S20 |
|---|
| Product Type | Smart watch | Sport watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | iOS, Android |
| Activity/Sport | - | Golf |
| Wearing Style | Watch style | Watch style |
| Width | 42 mm | - |
| Height | 42 mm | - |
| Depth | 11.4 mm | - |
| Weight | 36 g | - |
| Body Details | - | Sensor: 13 mm x 27 mm 9 g |
| Protection | Waterproof | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45 | Garmin Approach S20 |
|---|
| Sensors | Accelerometer, heart rate | Accelerometer |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, sleep activity, heart rate, stress level | Distance, time, calories burned, activity, heart rate, steps taken |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device | Sunlight readable, Garmin Connect compatible, TrueUp, Garmin AutoShot, TruSwing |
| Notifications | Calendar, Email, social apps | Applications |
| Vibrating Alert | Yes | - |
| Navigation (GPS) | - | GPS receiver |
| CONNECTIVITY | Garmin Forerunner 45 | Garmin Approach S20 |
|---|
| Wireless Interface | Bluetooth, ANT+ | Bluetooth, ANT+ |
|---|
| DISPLAY | Garmin Forerunner 45 | Garmin Approach S20 |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | Memory-in-Pixel LCD - monochrome |
|---|---|---|
| Resolution | 208 x 208 pixels | 128 x 128 pixels |
| Screen Size | 1.04" | - |
| Dimensions (WxH) | - | 23 mm x 23 mm |
| INPUT DEVICE | Garmin Forerunner 45 | Garmin Approach S20 |
|---|
| Type | - | Single push-button |
|---|
| CASE | Garmin Forerunner 45 | Garmin Approach S20 |
|---|
| Crystal Type | - | Chemically strengthened glass |
|---|---|---|
| Case Shape | Round | Rounded square |
| Case Details | Black | - |
| BAND | Garmin Forerunner 45 | Garmin Approach S20 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Size | L | - |
| Fits Wrist with Circumference | 129-197 mm | - |
| Changeable | Yes | - |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | Black | Lava red | Black |
| STORAGE | Garmin Forerunner 45 | Garmin Approach S20 |
|---|
| Storage Capacity | - | 64 MB |
|---|
| BATTERY | Garmin Forerunner 45 | Garmin Approach S20 |
|---|
| Technology | - | Lithium Ion |
|---|---|---|
| Battery Life | - | 56 day(s) |
| Battery Life Details | GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
Smartwatch mode - up to 56 days GPS mode - up to 15 hours |
| Rechargeable Battery | - | Yes |
| MISCELLANEOUS | Garmin Forerunner 45 | Garmin Approach S20 |
|---|
| Included Accessories | Charging/data cable | Charging/data cable |
|---|---|---|
| Preloaded Software | - | Calendar, Time, Alarm Clock |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | - | 60 °C |
| Min Operating Temperature | - | -20 °C |
| Warranty | - | 1-year warranty |
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