In depth comparison and review of Garmin Forerunner 45S and Garmin fēnix 6 Solar. 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 fēnix 6 Solar |
|---|
| Product Type | Sport watch | Sport watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | iOS, Android |
| Activity/Sport | - | Running, swimming, ski, cycling, hiking, climbing, snowboarding, rower, kayaking, jumpmaster, stand up paddleboarding |
| Wearing Style | Watch style | Watch style |
| Width | 39.5 mm | 47 mm |
| Height | 39.5 mm | 47 mm |
| Depth | 11.4 mm | 15.1 mm |
| Weight | 32 g | 85 g |
| Body Material | - | Stainless steel, fibre-reinforced polymer |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45S | Garmin fēnix 6 Solar |
|---|
| Sensors | Accelerometer, heart rate | Accelerometer, thermometre, barometric altimeter, electromagnetic compass, pulse oximeter, optical heart sensor |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, sleep activity, heart rate, stress level | Distance, time, speed, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, 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 | Music remote handling, find phone function, HR zones, Bluetooth Smart technology, VIRB control, inactivity alert, Move IQ, Find my Device, Garmin Elevate, TrueUp, Body Battery, solar charging, dual grid coordinates format |
| Notifications | Calendar, Email, social apps | Calendar, SMS, Email, social apps, incoming calls |
| Vibrating Alert | Yes | - |
| Navigation (GPS) | - | GPS/GLONASS/Galileo receiver |
| Payment Technology | - | Garmin Pay |
| CONNECTIVITY | Garmin Forerunner 45S | Garmin fēnix 6 Solar |
|---|
| Wireless Interface | Bluetooth, ANT+ | Bluetooth, ANT+ |
|---|
| DISPLAY | Garmin Forerunner 45S | Garmin fēnix 6 Solar |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | Memory-in-Pixel LCD - colour - transflective |
|---|---|---|
| Resolution | 208 x 208 pixels | 260 x 260 pixels |
| Screen Size | 1.04" | 1.3" |
| Screen Protection | - | Power Glass |
| INPUT DEVICE | Garmin Forerunner 45S | Garmin fēnix 6 Solar |
|---|
| Type | - | Touch buttons |
|---|
| CASE | Garmin Forerunner 45S | Garmin fēnix 6 Solar |
|---|
| Case Size | - | 47 mm |
|---|---|---|
| Case Shape | Round | Round |
| Bezel | - | Stainless steel |
| Case Back | - | Metal |
| Case Details | White | Iris | Black | Silver |
| BAND | Garmin Forerunner 45S | Garmin fēnix 6 Solar |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | S | - |
| Band Width | - | 22 mm |
| Fits Wrist with Circumference | 124-185 mm | 125-208 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | White | Iris | Black | Black |
| STORAGE | Garmin Forerunner 45S | Garmin fēnix 6 Solar |
|---|
| Storage Capacity | - | 64 MB |
|---|
| BATTERY | Garmin Forerunner 45S | Garmin fēnix 6 Solar |
|---|
| Battery Life | - | 80 day(s) |
|---|---|---|
| Battery Life Details | GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
Smartwatch mode - up to 14 days Smartwatch mode (with solar) - up to 16 days Battery Saver Watch Mode - up to 48 days Battery Saver Watch Mode (with solar) - up to 80 days Max Battery GPS Mode - up to 72 hour(s) Max Battery GPS Mode (with solar) - up to 93 hour(s) GPS mode - up to 36 hour(s) GPS mode (with solar) - up to 40 hour(s) Expedition GPS Mode - up to 28 days Expedition GPS Mode (with solar) - up to 36 days GPS with Music mode - up to 10 hour(s) |
| Rechargeable Battery | - | Yes |
| MISCELLANEOUS | Garmin Forerunner 45S | Garmin fēnix 6 Solar |
|---|
| Included Accessories | Charging/data cable | Charging/data cable |
|---|---|---|
| Preloaded Software | - | Garmin Pay |
| Max Depth of Water Resistance | 50 m | 100 m |
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