Side by side comparison and review of Garmin Forerunner 45S and Xiaomi Watch S1. 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 45S | Xiaomi Watch S1 |
|---|
| Product Type | Sport 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 | 39.5 mm | 46.5 mm |
| Height | 39.5 mm | 46.5 mm |
| Depth | 11.4 mm | 11 mm |
| Weight | 32 g | 52 g |
| Body Material | - | Stainless steel |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45S | Xiaomi Watch S1 |
|---|
| Sensors | Accelerometer, heart rate | Accelerometer, ambient light sensor, barometer, gyro sensor, geomagnetic sensor, pulse oximeter, optical heart sensor |
|---|---|---|
| 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 |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device | Call handling, automatic exercise recognition, breathing training function |
| Notifications | Calendar, Email, social apps | SMS, Email, social apps, incoming calls |
| Vibrating Alert | 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 45S | Xiaomi Watch S1 |
|---|
| Wireless Interface | Bluetooth, ANT+ | IEEE 802.11b/g/n, NFC, Bluetooth 5.2 |
|---|
| DISPLAY | Garmin Forerunner 45S | Xiaomi Watch S1 |
|---|
| 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 |
| Screen Protection | - | Sapphire glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Garmin Forerunner 45S | Xiaomi Watch S1 |
|---|
| Type | - | Touch sensitive screen, push buttons |
|---|
| CASE | Garmin Forerunner 45S | Xiaomi Watch S1 |
|---|
| Case Size | - | 46 mm |
|---|---|---|
| Case Shape | Round | Round |
| Case Details | White | Iris | Black | Silver | Black |
| BAND | Garmin Forerunner 45S | Xiaomi Watch S1 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Size | S | - |
| Fits Wrist with Circumference | 124-185 mm | - |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Calf leather |
| Band Colour | White | Iris | Black | Brown | Black |
| BATTERY | Garmin Forerunner 45S | Xiaomi Watch S1 |
|---|
| Technology | - | Lithium polymer |
|---|---|---|
| Capacity | - | 470 mAh |
| Battery Life Details | GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
Power saving mode - up to 24 days Typical usage - up to 12 days |
| Rechargeable Battery | - | Yes |
| Wireless Charging | - | Yes |
| MISCELLANEOUS | Garmin Forerunner 45S | Xiaomi Watch S1 |
|---|
| Included Accessories | Charging/data cable | USB cable, wireless charging dock, fluororubber watch strap (grey) |
|---|---|---|
| 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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