In depth comparison and review of Garmin Forerunner 745 and Amazfit GTR 3. 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 745 | Amazfit GTR 3 |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Operating System | - | Zepp OS |
| 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 |
| Audio Input | - | Microphone |
| Width | 43.8 mm | - |
| Height | 43.8 mm | - |
| Depth | 13.3 mm | - |
| Weight | 47 g | - |
| Body Details | - | Case only: 32 g |
| Body Material | Fibre-reinforced polymer | Aluminium alloy |
| Protection | Water-resistant | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 745 | Amazfit GTR 3 |
|---|
| Sensors | Accelerometer, digital compass, thermometre, gyro sensor, heart rate, barometric altimeter, Pulse Ox sensor | Accelerometer, ambient light sensor, gyro sensor, geomagnetic sensor, barometric altimeter, temperature, BioTracker PPG 3.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, time, calories burned, sleep activity, heart rate, steps taken, floors climbed, blood oxygen saturation, stress level, menstrual cycle, temperature, hydration, recovery time, training load | Distance, calories burned, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level |
| Goal Setting | Yes | Yes |
| Features | Find phone function, VO2 max, HR zones, VIRB control, Move IQ, Garmin Connect compatible, Find my Device, store & play music, rejecting a call, Garmin Elevate, LiveTrack, TrueUp, Body Battery, auto lap, Physio TrueUp, music playback control, weather information | Camera remote control, find phone function, automatic exercise recognition, weather information, PAI Health Assessment System |
| Notifications | Calendar, SMS, Email, social apps, incoming calls | Calendar |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo receiver | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Payment Technology | Garmin Pay | - |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Garmin Forerunner 745 | Amazfit GTR 3 |
|---|
| Wireless Interface | Bluetooth, Wi-Fi, NFC, ANT+ | Bluetooth 5.1 |
|---|
| DISPLAY | Garmin Forerunner 745 | Amazfit GTR 3 |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | AMOLED - colour |
|---|---|---|
| Resolution | 240 x 240 pixels | 454 x 454 pixels |
| Screen Size | 1.2" | 1.39" |
| Aspect Ratio | - | Full circle |
| Pixel Density | - | 326 ppi |
| Screen Protection | Corning Gorilla Glass DX (scratch resistant glass) | Tempered glass |
| INPUT DEVICE | Garmin Forerunner 745 | Amazfit GTR 3 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push button |
|---|
| CASE | Garmin Forerunner 745 | Amazfit GTR 3 |
|---|
| Case Shape | Round | Round |
|---|---|---|
| Bezel | Fibre-reinforced polymer | - |
| Case Details | Black | Neo tropic | - |
| Crown Type | - | Classic crown |
| BAND | Garmin Forerunner 745 | Amazfit GTR 3 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Width | 22 mm | 22 mm |
| Fits Wrist with Circumference | 126-216 mm | 155-218 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | Black | Moonlight grey | Thunder black |
| BATTERY | Garmin Forerunner 745 | Amazfit GTR 3 |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Capacity | - | 450 mAh |
| Battery Life | 7 day(s) | - |
| Battery Life Details | Smartwatch mode - up to 7 days GPS mode - up to 16 hour(s) GPS with Music mode - up to 6 hour(s) UltraTrac mode - up to 21 hour(s) |
Battery safe mode - up to 35 days Heavy usage - up to 10 days Typical usage - up to 21 days GPS mode - up to 35 hour(s) |
| Rechargeable Battery | - | Yes |
| Recharge Time | - | 2 hour(s) |
| MISCELLANEOUS | Garmin Forerunner 745 | Amazfit GTR 3 |
|---|
| Included Accessories | USB cable | Magnetic charging stand |
|---|---|---|
| Preloaded Software | Garmin Pay, Garmion Connect IQ | Zepp App |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | 60 °C | - |
| Min Operating Temperature | -20 °C | - |
| Warranty | 1-year warranty | 1-year warranty |
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