In depth comparison and review of Garmin fēnix 6 Sapphire and Garmin Forerunner 745. 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 fēnix 6 Sapphire | Garmin Forerunner 745 |
|---|
| 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 | 47 mm | 43.8 mm |
| Height | 47 mm | 43.8 mm |
| Depth | 14.7 mm | 13.3 mm |
| Weight | 60 g | 47 g |
| Body Material | Fibre-reinforced polymer | Fibre-reinforced polymer |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Garmin fēnix 6 Sapphire | Garmin Forerunner 745 |
|---|
| Sensors | Accelerometer, barometric altimeter, pulse oximeter, 3-axis compass, optical heart sensor | Accelerometer, digital compass, thermometre, gyro sensor, heart rate, barometric altimeter, Pulse Ox sensor |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, blood oxygen saturation, stress level | Distance, time, calories burned, sleep activity, heart rate, steps taken, floors climbed, blood oxygen saturation, stress level, menstrual cycle, temperature, hydration, recovery time, training load |
| Goal Setting | Yes | Yes |
| Features | 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 | Find phone function, VO2 max, HR zones, VIRB control, Move IQ, Garmin Connect compatible, Find my Device, store & play music, rejecting a call, Garmin Elevate, LiveTrack, TrueUp, Body Battery, auto lap, Physio TrueUp, music playback control, weather information |
| Notifications | Calendar, SMS, social apps, incoming calls | Calendar, SMS, Email, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo receiver | GPS/GLONASS/Galileo receiver |
| Payment Technology | Garmin Pay | Garmin Pay |
| CONNECTIVITY | Garmin fēnix 6 Sapphire | Garmin Forerunner 745 |
|---|
| Wireless Interface | Bluetooth, Wi-Fi, ANT+ | Bluetooth, Wi-Fi, NFC, ANT+ |
|---|
| DISPLAY | Garmin fēnix 6 Sapphire | Garmin Forerunner 745 |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | Memory-in-Pixel LCD - colour - transflective |
|---|---|---|
| Resolution | 260 x 260 pixels | 240 x 240 pixels |
| Screen Size | 1.3" | 1.2" |
| Screen Protection | Sapphire glass | Corning Gorilla Glass DX (scratch resistant glass) |
| INPUT DEVICE | Garmin fēnix 6 Sapphire | Garmin Forerunner 745 |
|---|
| Type | Touch buttons | Touch sensitive screen |
|---|
| CASE | Garmin fēnix 6 Sapphire | Garmin Forerunner 745 |
|---|
| Case Size | 47 mm | - |
|---|---|---|
| Case Shape | Round | Round |
| Bezel | - | Fibre-reinforced polymer |
| Case Back | Metal | - |
| Case Details | Carbon grey DLC | Titanium | Black | Neo tropic |
| BAND | Garmin fēnix 6 Sapphire | Garmin Forerunner 745 |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Width | 22 mm | 22 mm |
| Fits Wrist with Circumference | 125-208 mm | 126-216 mm |
| Changeable | - | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | Black | Ember orange | Titanium | Black |
| STORAGE | Garmin fēnix 6 Sapphire | Garmin Forerunner 745 |
|---|
| Storage Capacity | 32 GB | - |
|---|
| BATTERY | Garmin fēnix 6 Sapphire | Garmin Forerunner 745 |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Life | 48 day(s) | 7 day(s) |
| Battery Life Details | 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) |
Smartwatch mode - up to 7 days GPS mode - up to 16 hour(s) GPS with Music mode - up to 6 hour(s) UltraTrac mode - up to 21 hour(s) |
| Rechargeable Battery | Yes | - |
| MISCELLANEOUS | Garmin fēnix 6 Sapphire | Garmin Forerunner 745 |
|---|
| Included Accessories | Charging/data cable | USB cable |
|---|---|---|
| Preloaded Software | Garmin Pay | Garmin Pay, Garmion Connect IQ |
| Max Depth of Water Resistance | 100 m | 50 m |
| Max Operating Temperature | - | 60 °C |
| Min Operating Temperature | - | -20 °C |
| Warranty | 1-year warranty | 1-year warranty |
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