Side by side comparison and review of Garmin Forerunner 45 and Amazfit GTR Mini. 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 | Amazfit GTR Mini |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | - | Zepp OS 2.0 |
| Supported Host Device OS | iOS, Android | iOS 12 or later, Android 7.0 (Nougat) or later |
| 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: 24.6 g |
| Body Material | - | Plastic, stainless steel |
| Protection | Waterproof | Water-resistant |
| Colours | - | Midnight black | Misty pink | Ocean blue |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45 | Amazfit GTR Mini |
|---|
| Sensors | Accelerometer, heart rate | Accelerometer, ambient light sensor, geomagnetic sensor, BioTracker PPG biological tracking optical sensor |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, sleep activity, heart rate, stress level | Calories burned, activity, heart rate, steps taken, blood oxygen saturation, pace, sleep stages, stress level, menstrual cycle, personal activity intelligence (PAI), sleep duration, altitude, recovery time, training load, training effect, REM phases, sleep quality score, nap, sleep breathing quality |
| Modes | - | Do-not-disturb mode, 126 sport modes |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device | Camera remote control, find phone function, VO2 max, OTA update, breathing training function, music playback control, weather information, event reminders, rotor motor, Quick Reply, pomodoro timer, customisable watch faces, PeakBeats workout status algorithm, ExerSense algorithm, SomnusCare, password protection, Virtual Pacer, sedentary lifestyle reminder, circularly-polarised GPS aerial, 5 satellite positioning systems |
| Notifications | Calendar, Email, social apps | Calendar, SMS, incoming calls, applications, high and low heart rate, low blood-oxygen, high stress level |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | - | GPS receiver |
| CONNECTIVITY | Garmin Forerunner 45 | Amazfit GTR Mini |
|---|
| Wireless Interface | Bluetooth, ANT+ | Bluetooth 5.2 |
|---|
| DISPLAY | Garmin Forerunner 45 | Amazfit GTR Mini |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | AMOLED - colour |
|---|---|---|
| Resolution | 208 x 208 pixels | 416 x 416 pixels |
| Screen Size | 1.04" | 1.28" |
| Pixel Density | - | 326 ppi |
| Screen Protection | - | Fingerprint-resistant coating, tempered glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Garmin Forerunner 45 | Amazfit GTR Mini |
|---|
| Type | - | Touch sensitive screen, side button |
|---|
| CASE | Garmin Forerunner 45 | Amazfit GTR Mini |
|---|
| Case Shape | Round | Circular |
|---|---|---|
| Case Details | Black | - |
| BAND | Garmin Forerunner 45 | Amazfit GTR Mini |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Size | L | - |
| Band Width | - | 20 mm |
| Fits Wrist with Circumference | 129-197 mm | 150-200 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | Black | Lava red | - |
| CPU | Garmin Forerunner 45 | Amazfit GTR Mini |
|---|
| CPU Type | - | Huangshan 2S |
|---|
| BATTERY | Garmin Forerunner 45 | Amazfit GTR Mini |
|---|
| Capacity | - | 280 mAh |
|---|---|---|
| Battery Life | - | 14 day(s) |
| Battery Life Details | GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
Typical usage - up to 14 days Heavy usage - up to 7 days Battery saver mode - up to 20 days Watch mode - up to 30 days GPS mode - up to 25 hour(s) |
| Rechargeable Battery | - | Yes |
| Recharge Time | - | 2 hour(s) |
| MISCELLANEOUS | Garmin Forerunner 45 | Amazfit GTR Mini |
|---|
| Included Accessories | Charging/data cable | Magnetic charging cable |
|---|---|---|
| Preloaded Software | - | Games, Stopwatch, Alarm Clock, Timer |
| Compliant Standards | - | ISO 22810 |
| Max Depth of Water Resistance | 50 m | 50 m |
| Warranty | - | 1-year warranty |
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