In depth comparison and review of Garmin Forerunner 45S and Amazfit GTS 2E. 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 45S | Amazfit GTS 2E |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | iOS 10 or later, Android 5.0 (Lollipop) or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Width | 39.5 mm | - |
| Height | 39.5 mm | - |
| Depth | 11.4 mm | - |
| Weight | 32 g | - |
| Body Details | - | Case only: 25 g |
| Body Material | - | Aluminium alloy |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45S | Amazfit GTS 2E |
|---|
| Sensors | Accelerometer, heart rate | Accelerometer, ambient light sensor, barometer, SpO2 sensor, geomagnetic sensor, temperature, BioTracker 2 PPG biological tracking optical sensor, gyroscope |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, sleep activity, heart rate, stress level | Distance, calories burned, 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 | Huami-PAI Health Assessment System |
| 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 receiver |
| CONNECTIVITY | Garmin Forerunner 45S | Amazfit GTS 2E |
|---|
| Wireless Interface | Bluetooth, ANT+ | Bluetooth 5.0 BLE |
|---|
| DISPLAY | Garmin Forerunner 45S | Amazfit GTS 2E |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | AMOLED - colour |
|---|---|---|
| Resolution | 208 x 208 pixels | 348 x 422 pixels |
| Screen Size | 1.04" | 1.65" |
| Pixel Density | - | 341 ppi |
| Screen Protection | - | 2.5D tempered glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Garmin Forerunner 45S | Amazfit GTS 2E |
|---|
| Type | - | Touch sensitive screen |
|---|
| CASE | Garmin Forerunner 45S | Amazfit GTS 2E |
|---|
| Case Shape | Round | Rectangular |
|---|---|---|
| Case Back | - | Matte plastic |
| Case Details | White | Iris | Black | Obsidian black |
| BAND | Garmin Forerunner 45S | Amazfit GTS 2E |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Size | S | - |
| Band Width | - | 20 mm |
| Fits Wrist with Circumference | 124-185 mm | - |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | White | Iris | Black | Obsidian black | Moss Green | Lilac purple |
| BATTERY | Garmin Forerunner 45S | Amazfit GTS 2E |
|---|
| Capacity | - | 246 mAh |
|---|---|---|
| Battery Life Details | GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
Typical usage - up to 14 days Basic mode - up to 24 days |
| Rechargeable Battery | - | Yes |
| Recharge Time | - | 2 hour(s) |
| MISCELLANEOUS | Garmin Forerunner 45S | Amazfit GTS 2E |
|---|
| Included Accessories | Charging/data cable | Charging cradle |
|---|---|---|
| Max Depth of Water Resistance | 50 m | 50 m |
| Manufacturer Model Number | - | A2021 |
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