In depth comparison and review of Garmin Forerunner 45S and Garmin fēnix 7X Solar. 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 Forerunner 45S | Garmin fēnix 7X Solar |
|---|
| Product Type | Sport watch | Sport watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | iOS, Android |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Width | 39.5 mm | - |
| Height | 39.5 mm | - |
| Depth | 11.4 mm | - |
| Weight | 32 g | - |
| Body Details | - | With band: 96 g Case only: 68 g |
| Body Material | - | Stainless steel, fibre-reinforced polymer |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45S | Garmin fēnix 7X Solar |
|---|
| 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, solar charging, 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 45S | Garmin fēnix 7X Solar |
|---|
| Wireless Interface | Bluetooth, ANT+ | Bluetooth, Wi-Fi, ANT+ |
|---|
| DISPLAY | Garmin Forerunner 45S | Garmin fēnix 7X Solar |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | Memory-in-Pixel LCD - colour - transflective |
|---|---|---|
| Resolution | 208 x 208 pixels | 280 x 280 pixels |
| Screen Size | 1.04" | 1.4" |
| Screen Protection | - | Corning Gorilla Glass DX (scratch resistant glass) |
| INPUT DEVICE | Garmin Forerunner 45S | Garmin fēnix 7X Solar |
|---|
| Type | - | Touch sensitive screen, push buttons |
|---|
| CASE | Garmin Forerunner 45S | Garmin fēnix 7X Solar |
|---|
| Case Size | - | 51 mm |
|---|---|---|
| Case Shape | Round | Round |
| Bezel | - | Stainless steel |
| Case Back | - | Metal |
| Case Details | White | Iris | Black | Slate grey |
| BAND | Garmin Forerunner 45S | Garmin fēnix 7X Solar |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | S | - |
| Band Width | - | 26 mm |
| Fits Wrist with Circumference | 124-185 mm | 127-210 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | White | Iris | Black | Black |
| STORAGE | Garmin Forerunner 45S | Garmin fēnix 7X Solar |
|---|
| Storage Capacity | - | 16 GB |
|---|
| BATTERY | Garmin Forerunner 45S | Garmin fēnix 7X 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 Smartwatch mode (with solar) - up to 37 days Battery Saver Watch Mode - up to 90 days Battery Saver Watch Mode (with solar) - up to 1 year GPS mode - up to 89 hour(s) GPS mode (with solar) - up to 122 hour(s) All satellite systems mode - up to 63 hours All satellite systems mode (with solar) - up to 77 hours All satellite systems with music mode - up to 16 hour(s) Max Battery GPS Mode - up to 213 hour(s) Max Battery GPS Mode (with solar) - up to 578 hour(s) Expedition GPS Mode - up to 62 days Expedition GPS Mode (with solar) - up to 139 days |
| Rechargeable Battery | - | Yes |
| MISCELLANEOUS | Garmin Forerunner 45S | Garmin fēnix 7X Solar |
|---|
| Included Accessories | Charging/data cable | Charging/data cable |
|---|---|---|
| SAR Value | - | 0.75 W/kg (body), 0.27 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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