Side by side comparison and review of Garmin Forerunner 45 and Garmin fēnix 6 Sapphire. 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 45 | Garmin fēnix 6 Sapphire |
|---|
| Product Type | Smart 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 | 42 mm | 47 mm |
| Height | 42 mm | 47 mm |
| Depth | 11.4 mm | 14.7 mm |
| Weight | 36 g | 60 g |
| Body Material | - | Fibre-reinforced polymer |
| Protection | Waterproof | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45 | Garmin fēnix 6 Sapphire |
|---|
| Sensors | Accelerometer, heart rate | Accelerometer, barometric altimeter, pulse oximeter, 3-axis compass, 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 | Find phone function, HR zones, Bluetooth Smart technology, VIRB control, inactivity alert, Move IQ, Find my Device, store & play music, Garmin Elevate, TrueUp, Body Battery, PacePro pace guidance, dual grid coordinates format |
| Notifications | Calendar, Email, social apps | Calendar, SMS, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Navigation (GPS) | - | GPS/GLONASS/Galileo receiver |
| Payment Technology | - | Garmin Pay |
| CONNECTIVITY | Garmin Forerunner 45 | Garmin fēnix 6 Sapphire |
|---|
| Wireless Interface | Bluetooth, ANT+ | Bluetooth, Wi-Fi, ANT+ |
|---|
| DISPLAY | Garmin Forerunner 45 | Garmin fēnix 6 Sapphire |
|---|
| 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 | - | Sapphire glass |
| INPUT DEVICE | Garmin Forerunner 45 | Garmin fēnix 6 Sapphire |
|---|
| Type | - | Touch buttons |
|---|
| CASE | Garmin Forerunner 45 | Garmin fēnix 6 Sapphire |
|---|
| Case Size | - | 47 mm |
|---|---|---|
| Case Shape | Round | Round |
| Case Back | - | Metal |
| Case Details | Black | Carbon grey DLC | Titanium |
| BAND | Garmin Forerunner 45 | Garmin fēnix 6 Sapphire |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | L | - |
| Band Width | - | 22 mm |
| Fits Wrist with Circumference | 129-197 mm | 125-208 mm |
| Changeable | Yes | - |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | Black | Lava red | Black | Ember orange | Titanium |
| STORAGE | Garmin Forerunner 45 | Garmin fēnix 6 Sapphire |
|---|
| Storage Capacity | - | 32 GB |
|---|
| BATTERY | Garmin Forerunner 45 | Garmin fēnix 6 Sapphire |
|---|
| 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 GPS with Music mode - up to 10 hour(s) |
| Rechargeable Battery | - | Yes |
| MISCELLANEOUS | Garmin Forerunner 45 | Garmin fēnix 6 Sapphire |
|---|
| Included Accessories | Charging/data cable | Charging/data cable |
|---|---|---|
| Preloaded Software | - | Garmin Pay |
| Max Depth of Water Resistance | 50 m | 100 m |
| Warranty | - | 1-year warranty |
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