Detailed comparison and review of Garmin Forerunner 45S and Garmin fēnix 7 Sapphire Solar. 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 Forerunner 45S | Garmin fēnix 7 Sapphire 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 silicone band: 73 g Case only: 50 g |
| Body Material | - | Titanium, fibre-reinforced polymer |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45S | Garmin fēnix 7 Sapphire 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 7 Sapphire Solar |
|---|
| Wireless Interface | Bluetooth, ANT+ | Bluetooth, Wi-Fi, ANT+ |
|---|
| DISPLAY | Garmin Forerunner 45S | Garmin fēnix 7 Sapphire Solar |
|---|
| 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 | - | Power Sapphire |
| INPUT DEVICE | Garmin Forerunner 45S | Garmin fēnix 7 Sapphire Solar |
|---|
| Type | - | Touch sensitive screen, push buttons |
|---|
| CASE | Garmin Forerunner 45S | Garmin fēnix 7 Sapphire Solar |
|---|
| Case Size | - | 47 mm |
|---|---|---|
| Case Shape | Round | Round |
| Bezel | - | Titanium |
| Case Back | - | Metal |
| Case Details | White | Iris | Black | Titanium carbon grey DLC | Mineral blue titanium | Titanium | Titanium black DLC |
| BAND | Garmin Forerunner 45S | Garmin fēnix 7 Sapphire Solar |
|---|
| Band Type | Band | Vented bracelet |
|---|---|---|
| Band Size | S | - |
| Band Width | - | 22 mm |
| Fits Wrist with Circumference | 124-185 mm | 132-215 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Butterfly |
| Band Material | Silicone | Titanium |
| Band Colour | White | Iris | Black | Titanium carbon grey DLC | Black | Whitestone | Chestnut |
| STORAGE | Garmin Forerunner 45S | Garmin fēnix 7 Sapphire Solar |
|---|
| Storage Capacity | - | 32 GB |
|---|
| BATTERY | Garmin Forerunner 45S | Garmin fēnix 7 Sapphire Solar |
|---|
| 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 Smartwatch mode (with solar) - up to 22 days Battery Saver Watch Mode - up to 57 days Battery Saver Watch Mode (with solar) - up to 173 days GPS mode - up to 57 hour(s) GPS mode (with solar) - up to 73 hour(s) All satellite systems mode - up to 40 hours All satellite systems mode (with solar) - up to 48 hours All satellite systems with music mode - up to 10 hour(s) Max Battery GPS Mode - up to 136 hour(s) Max Battery GPS Mode (with solar) - up to 289 hour(s) Expedition GPS Mode - up to 40 days Expedition GPS Mode (with solar) - up to 74 days |
| Rechargeable Battery | - | Yes |
| MISCELLANEOUS | Garmin Forerunner 45S | Garmin fēnix 7 Sapphire Solar |
|---|
| Included Accessories | Charging/data cable | Silicon wristband, 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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