In depth comparison and review of Garmin Forerunner 45 and Xiaomi Watch S1 Active. 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 45 | Xiaomi Watch S1 Active |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | iOS 10 or later, Android 6.0 (Marshmallow) or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | 42 mm | - |
| Height | 42 mm | - |
| Depth | 11.4 mm | - |
| Weight | 36 g | - |
| Body Details | - | Case only: 36.3 g |
| Body Material | - | Glass fibre reinforced polyamide |
| Protection | Waterproof | Water-resistant |
| Colours | - | Ocean blue | Moon white |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45 | Xiaomi Watch S1 Active |
|---|
| Sensors | Accelerometer, heart rate | Accelerometer, ambient light sensor, barometer, SpO2 sensor, geomagnetic sensor, optical heart sensor, PPG sensor, gyroscope |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, sleep activity, heart rate, stress level | Distance, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level |
| Modes | - | 117 fitness modes, 19 professional modes |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device | Call handling, find phone function, flashlight, automatic exercise recognition, breathing training function, music playback control, weather information, customisable watch faces, Health index, Women's health |
| Notifications | Calendar, Email, social apps | SMS, Email, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | - | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Garmin Forerunner 45 | Xiaomi Watch S1 Active |
|---|
| Wireless Interface | Bluetooth, ANT+ | IEEE 802.11b/g/n, NFC, Bluetooth 5.2 |
|---|
| DISPLAY | Garmin Forerunner 45 | Xiaomi Watch S1 Active |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | AMOLED - colour |
|---|---|---|
| Resolution | 208 x 208 pixels | 466 x 466 pixels |
| Screen Size | 1.04" | 1.43" |
| Pixel Density | - | 326 ppi |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Garmin Forerunner 45 | Xiaomi Watch S1 Active |
|---|
| Type | - | Touch sensitive screen, push buttons |
|---|
| CASE | Garmin Forerunner 45 | Xiaomi Watch S1 Active |
|---|
| Case Shape | Round | Round |
|---|---|---|
| Bezel | - | Metal |
| Case Details | Black | Blue | Silver | Space black |
| BAND | Garmin Forerunner 45 | Xiaomi Watch S1 Active |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Size | L | - |
| Fits Wrist with Circumference | 129-197 mm | 160-220 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | TPU |
| Band Colour | Black | Lava red | Blue | White | Black |
| BATTERY | Garmin Forerunner 45 | Xiaomi Watch S1 Active |
|---|
| Capacity | - | 470 mAh |
|---|---|---|
| Battery Life | - | 12 day(s) |
| Battery Life Details | GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
Typical usage - up to 12 days Power saving mode - up to 24 days GPS mode - up to 30 hour(s) |
| Rechargeable Battery | - | Yes |
| Recharge Time | - | 2.5 hour(s) |
| MISCELLANEOUS | Garmin Forerunner 45 | Xiaomi Watch S1 Active |
|---|
| Included Accessories | Charging/data cable | Magnetic charging cable |
|---|---|---|
| Compliant Standards | - | GB/T 30106-2013 |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | -10 °C |
| Warranty | - | 2-year warranty |
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