Side by side comparison and review of Garmin Forerunner 45 and Garmin Instinct 2 Solar. 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 Instinct 2 Solar |
|---|
| Product Type | Smart watch | Sport watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | iOS, Android |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Width | 42 mm | 45 mm |
| Height | 42 mm | 45 mm |
| Depth | 11.4 mm | 14.5 mm |
| Weight | 36 g | 53 g |
| Body Material | - | Fibre-reinforced polymer |
| Protection | Waterproof | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45 | Garmin Instinct 2 Solar |
|---|
| Sensors | Accelerometer, heart rate | Accelerometer, thermometre, barometric altimeter, electromagnetic 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 | Music remote handling, find phone function, VIRB control, inactivity alert, Find my Device, LiveTrack, Physio TrueUp, solar charging, weather information, dual grid coordinates format, trackback routing, Body Battery Energy Monitor, accident detection |
| Notifications | Calendar, Email, social apps | Missed calls, calendar, SMS, Email, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | - | GPS/GLONASS/Galileo receiver |
| Payment Technology | - | Garmin Pay |
| CONNECTIVITY | Garmin Forerunner 45 | Garmin Instinct 2 Solar |
|---|
| Wireless Interface | Bluetooth, ANT+ | Bluetooth, ANT+ |
|---|
| DISPLAY | Garmin Forerunner 45 | Garmin Instinct 2 Solar |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | Memory-in-Pixel LCD - monochrome - transflective |
|---|---|---|
| Resolution | 208 x 208 pixels | 176 x 176 pixels |
| Screen Size | 1.04" | - |
| Dimensions (WxH) | - | 23 mm x 23 mm |
| Screen Protection | - | Power Glass |
| INPUT DEVICE | Garmin Forerunner 45 | Garmin Instinct 2 Solar |
|---|
| Type | - | Push buttons |
|---|
| CASE | Garmin Forerunner 45 | Garmin Instinct 2 Solar |
|---|
| Case Size | - | 45 mm |
|---|---|---|
| Case Shape | Round | Round |
| Case Details | Black | Mist grey | Graphite |
| BAND | Garmin Forerunner 45 | Garmin Instinct 2 Solar |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | L | - |
| Band Width | - | 22 mm |
| Fits Wrist with Circumference | 129-197 mm | 135-230 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | Black | Lava red | - |
| STORAGE | Garmin Forerunner 45 | Garmin Instinct 2 Solar |
|---|
| Storage Capacity | - | 32 MB |
|---|
| BATTERY | Garmin Forerunner 45 | Garmin Instinct 2 Solar |
|---|
| Technology | - | Lithium Ion |
|---|---|---|
| Battery Life Details | GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
Smartwatch mode - up to 28 days Battery Saver Watch Mode - up to 65 days Max Battery GPS Mode - up to 70 hour(s) Max Battery GPS Mode (with solar) - up to 370 hour(s) GPS mode - up to 30 hour(s) GPS mode (with solar) - up to 48 hour(s) Expedition GPS Mode - up to 32 days |
| Rechargeable Battery | - | Yes |
| MISCELLANEOUS | Garmin Forerunner 45 | Garmin Instinct 2 Solar |
|---|
| Included Accessories | Charging/data cable | Charging/data cable |
|---|---|---|
| Max Depth of Water Resistance | 50 m | 100 m |
| Max Operating Temperature | - | 60 °C |
| Min Operating Temperature | - | -20 °C |
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