In depth comparison and review of Amazfit GTS 2 and Amazfit GTS 4. 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 | Amazfit GTS 2 | Amazfit GTS 4 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | - | Zepp OS |
| Supported Host Device OS | iOS 10 or later, Android 5.0 (Lollipop) or later | iOS 12 or later, Android 7.0 (Nougat) or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | Microphone |
| Audio Output | Speaker | Speaker |
| Width | - | 36.5 mm |
| Height | - | 42.7 mm |
| Depth | - | 9.9 mm |
| Weight | - | 27 g |
| Body Details | Case only: 24.7 g | - |
| Body Material | Plastic, aluminium alloy | Stainless steel, aluminium alloy frame |
| Protection | Water-resistant | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Amazfit GTS 2 | Amazfit GTS 4 |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, gyro sensor, geomagnetic sensor, BioTracker 2 PPG biological tracking optical sensor | Accelerometer, ambient light sensor, geomagnetic sensor, barometric altimeter, gyroscope, BioTracker PPG 4.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level, personal activity intelligence (PAI), REM phases | Time, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, sleep stages, stress level, menstrual cycle, personal activity intelligence (PAI), recovery time, training load, sleep quality score, nap, sleep breathing quality |
| Modes | - | 154 sports modes |
| Goal Setting | Yes | Yes |
| Features | Making a call, inactivity alert, alarm, store & play music, huami-PAI Health Assessment System, weather information, event reminders | Strength training guidance, camera remote control, find phone function, answering a call, VO2 max, making a call, Find my Device, breathing training function, store & play music, sunrise/sunset times, auto pause, auto lap, realtime location tracking, music playback control, weather information, instant message reply, PeakBeats workout status algorithm, ExerSense algorithm, Dual-band navigation, linear motor, Virtual Pacer, track run mode, smart trajectory correction, route file import |
| Notifications | SMS, Email, social apps, incoming calls | 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 | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS receiver | - |
| Internet of Things (IoT) Compatible | Yes | Yes |
| IoT Intelligent Assistant | Alexa | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Amazfit GTS 2 | Amazfit GTS 4 |
|---|
| Wireless Interface | Wi-Fi, Bluetooth 5.0 | Wi-Fi, Bluetooth 5.0 |
|---|
| DISPLAY | Amazfit GTS 2 | Amazfit GTS 4 |
|---|
| Type | AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 348 x 442 pixels | 390 x 450 pixels |
| Screen Size | 1.65" | 1.75" |
| Pixel Density | 341 ppi | 341 ppi |
| Screen Protection | - | Tempered glass |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Amazfit GTS 2 | Amazfit GTS 4 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push button |
|---|
| CASE | Amazfit GTS 2 | Amazfit GTS 4 |
|---|
| Case Shape | Square | Rectangular |
|---|---|---|
| Case Back | Polymer | - |
| Case Details | Midnight black | Urban grey | Desert gold | Aluminium alloy |
| BAND | Amazfit GTS 2 | Amazfit GTS 4 |
|---|
| Band Type | Strap | Strap |
|---|---|---|
| Band Width | 20 mm | 20 mm |
| Fits Wrist with Circumference | - | 140-200 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Pin buckle |
| Band Material | Silicone | Fluoroelastomer |
| Band Colour | - | Infinite black | Misty white | Rosebud pink |
| STORAGE | Amazfit GTS 2 | Amazfit GTS 4 |
|---|
| User Memory | 3 GB | 2.3 GB |
|---|
| BATTERY | Amazfit GTS 2 | Amazfit GTS 4 |
|---|
| Capacity | 246 mAh | 300 mAh |
|---|---|---|
| Battery Life Details | Daily mode - up to 7 days Basic mode - up to 20 days GPS mode - up to 25 hour(s) |
Typical usage - up to 8 days Battery Saver Watch Mode - up to 16 days Clock - up to 30 days Heavy usage - up to 4 days Accurate mode (with GPS) - up to 16 hours GPS mode - up to 28 hours Power saving mode (with GPS) - up to 33 hours |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | 2 hour(s) | 2 hour(s) |
| MISCELLANEOUS | Amazfit GTS 2 | Amazfit GTS 4 |
|---|
| Included Accessories | Magnetic charging stand | Magnetic charging cable |
|---|---|---|
| Preloaded Software | Amazon Alexa | To Do List, Games, Stopwatch, Calendar, World clock, Alarm Clock, Reminders, Timer, Compass, Countdown timer |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | 0 °C |
| Manufacturer Model Number | A1969 | - |
| Warranty | - | 1-year warranty |
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