Side by side comparison and review of Garmin Forerunner 45 and Garmin fēnix 7. 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 7 |
|---|
| 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 | - |
| Height | 42 mm | - |
| Depth | 11.4 mm | - |
| Weight | 36 g | - |
| Body Details | - | With band: 79 g Case only: 56 g |
| Body Material | - | Stainless steel, fibre-reinforced polymer |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45 | Garmin fēnix 7 |
|---|
| Sensors | Accelerometer, heart rate | Accelerometer, thermometre, gyro sensor, barometric altimeter, electromagnetic compass, optical heart sensor, Pulse Ox 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, blood oxygen saturation, pace, stress level, respiratory rate, active time, water balance, temperature |
| 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, Move IQ, Find my Device, Downloadable workouts, store & play music, rejecting a call, LiveTrack, Physio TrueUp, PacePro pace guidance, animated workouts, weather information, dual grid coordinates format, Body Battery Energy Monitor |
| Notifications | Calendar, Email, social apps | Calendar, SMS, Email, social apps, incoming calls, high and low heart rate |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | - | GPS/GLONASS/Galileo receiver |
| Payment Technology | - | Garmin Pay |
| CONNECTIVITY | Garmin Forerunner 45 | Garmin fēnix 7 |
|---|
| Wireless Interface | Bluetooth, ANT+ | Bluetooth, Wi-Fi, ANT+ |
|---|
| DISPLAY | Garmin Forerunner 45 | Garmin fēnix 7 |
|---|
| 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 45 | Garmin fēnix 7 |
|---|
| Type | - | Touch sensitive screen, push buttons |
|---|
| CASE | Garmin Forerunner 45 | Garmin fēnix 7 |
|---|
| Case Size | - | 47 mm |
|---|---|---|
| Case Shape | Round | Round |
| Bezel | - | Stainless steel |
| Case Back | - | Metal |
| Case Details | Black | Silver |
| BAND | Garmin Forerunner 45 | Garmin fēnix 7 |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | L | - |
| Band Width | - | 22 mm |
| Fits Wrist with Circumference | 129-197 mm | 125-208 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | Black | Lava red | Graphite |
| STORAGE | Garmin Forerunner 45 | Garmin fēnix 7 |
|---|
| Storage Capacity | - | 16 GB |
|---|
| BATTERY | Garmin Forerunner 45 | Garmin fēnix 7 |
|---|
| Technology | - | Lithium Ion |
|---|---|---|
| Battery Life Details | GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
Smartwatch mode - up to 18 days Battery Saver Watch Mode - up to 57 days GPS mode - up to 57 hour(s) All satellite systems mode - up to 40 hours All satellite systems with music mode - up to 10 hour(s) Max Battery GPS Mode - up to 136 hour(s) Expedition GPS Mode - up to 40 days |
| Rechargeable Battery | - | Yes |
| MISCELLANEOUS | Garmin Forerunner 45 | Garmin fēnix 7 |
|---|
| Included Accessories | Charging/data cable | Charging/data cable |
|---|---|---|
| SAR Value | - | 0.3 W/kg (body), 0.3 W/kg (limb) |
| Max Depth of Water Resistance | 50 m | 100 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | -20 °C |
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