Detailed comparison and review of Garmin Instinct and Garmin Forerunner 45S. 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 Instinct | Garmin Forerunner 45S |
|---|
| Product Type | Sport watch | Sport watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | iOS, Android |
| Activity/Sport | Running, swimming, ski, cycling, hiking, eSport, climbing, yoga, workout, snowboarding, cardio training, rower, kayaking, stand up paddleboarding, mountain biking | - |
| Wearing Style | Watch style | Watch style |
| Width | 45 mm | 39.5 mm |
| Height | 45 mm | 39.5 mm |
| Depth | 15.3 mm | 11.4 mm |
| Weight | 53 g | 32 g |
| Body Material | Fibre-reinforced polymer | - |
| Protection | Waterproof | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Instinct | Garmin Forerunner 45S |
|---|
| Sensors | Accelerometer, digital compass, thermometre, barometric altimeter, optical heart sensor | Accelerometer, heart rate |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, stress level, menstrual cycle, hydration | Distance, time, speed, calories burned, sleep activity, heart rate, stress level |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, find phone function, VIRB control, inactivity alert, Move IQ, Find my Device, Garmin Elevate, LiveTrack, TrueUp, Body Battery, Physio TrueUp | Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device |
| Notifications | Missed calls, calendar, SMS, Email, social apps | Calendar, Email, social apps |
| Vibrating Alert | Yes | Yes |
| Navigation (GPS) | GPS/GLONASS/Galileo receiver | - |
| CONNECTIVITY | Garmin Instinct | Garmin Forerunner 45S |
|---|
| Wireless Interface | Bluetooth, Wi-Fi, ANT+ | Bluetooth, ANT+ |
|---|
| DISPLAY | Garmin Instinct | Garmin Forerunner 45S |
|---|
| Type | Memory-in-Pixel LCD - monochrome - transflective | Memory-in-Pixel LCD - colour - transflective |
|---|---|---|
| Resolution | 128 x 128 pixels | 208 x 208 pixels |
| Screen Size | - | 1.04" |
| Dimensions (WxH) | 23 mm x 23 mm | - |
| Screen Protection | Chemically strengthened glass | - |
| INPUT DEVICE | Garmin Instinct | Garmin Forerunner 45S |
|---|
| Type | Touch buttons | - |
|---|
| CASE | Garmin Instinct | Garmin Forerunner 45S |
|---|
| Case Shape | Round | Round |
|---|---|---|
| Bezel | Fibre-reinforced polymer | - |
| Case Details | Black lava | Coyote tan | Sunburst | Lakeside blue | Sea foam | Tundra | Graphite | Flame red | White | Iris | Black |
| BAND | Garmin Instinct | Garmin Forerunner 45S |
|---|
| Band Type | Strap | Band |
|---|---|---|
| Band Size | - | S |
| Band Width | 22 mm | - |
| Fits Wrist with Circumference | 132-224 mm | 124-185 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | Lava black | Coyote tan | Sunburst | Lakeside blue | Sea foam | White | Iris | Black |
| BATTERY | Garmin Instinct | Garmin Forerunner 45S |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Battery Life | 14 day(s) | - |
| Battery Life Details | Smartwatch mode - up to 14 days Esports mode - up to 80 hour(s) GPS mode - up to 16 hour(s) UltraTrac mode - up to 40 hour(s) |
GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
| Rechargeable Battery | Yes | - |
| MISCELLANEOUS | Garmin Instinct | Garmin Forerunner 45S |
|---|
| Included Accessories | Charging/data cable | Charging/data cable |
|---|---|---|
| Preloaded Software | STR3AMUP! | - |
| Compliant Standards | MIL-STD 810G | - |
| Max Depth of Water Resistance | 100 m | 50 m |
| Max Operating Temperature | 60 °C | - |
| Min Operating Temperature | -20 °C | - |
| Warranty | 1-year warranty | - |
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