Side by side comparison and review of Garmin Forerunner 45S and Garmin fēnix 6. 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 fēnix 6 |
|---|
| 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 | - | Case only: 57 g |
| Body Material | - | Stainless steel, fibre-reinforced polymer |
| Protection | Waterproof | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45S | Garmin fēnix 6 |
|---|
| Sensors | Accelerometer, heart rate | Accelerometer, thermometre, gyro sensor, barometric altimeter, electromagnetic compass, optical heart sensor |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, sleep activity, heart rate, stress level | Distance, 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 | Find phone function, HR zones, Bluetooth Smart technology, VIRB control, inactivity alert, Move IQ, Find my Device, Garmin Elevate, TrueUp, Body Battery, music playback control, dual grid coordinates format |
| Notifications | Calendar, Email, social apps | Calendar, SMS, Email, social apps |
| Vibrating Alert | Yes | Yes |
| Navigation (GPS) | - | GPS/GLONASS/Galileo receiver |
| Payment Technology | - | Garmin Pay |
| CONNECTIVITY | Garmin Forerunner 45S | Garmin fēnix 6 |
|---|
| Wireless Interface | Bluetooth, ANT+ | Bluetooth, ANT+ |
|---|
| DISPLAY | Garmin Forerunner 45S | Garmin fēnix 6 |
|---|
| 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 | - | Corning Gorilla Glass DX (scratch resistant glass) |
| INPUT DEVICE | Garmin Forerunner 45S | Garmin fēnix 6 |
|---|
| Type | - | Touch buttons |
|---|
| CASE | Garmin Forerunner 45S | Garmin fēnix 6 |
|---|
| 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 |
|---|
| 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 |
|---|
| Storage Capacity | - | 64 MB |
|---|
| BATTERY | Garmin Forerunner 45S | Garmin fēnix 6 |
|---|
| Technology | - | Lithium Ion |
|---|---|---|
| Battery Life | - | 48 day(s) |
| Battery Life Details | GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
Smartwatch mode - up to 14 days GPS mode - up to 36 hour(s) Max Battery GPS Mode - up to 72 hour(s) Expedition GPS Mode - up to 28 days Battery Saver Watch Mode - up to 48 days |
| Rechargeable Battery | - | Yes |
| MISCELLANEOUS | Garmin Forerunner 45S | Garmin fēnix 6 |
|---|
| 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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