In depth comparison and review of ASUS ZenWatch 3 WI503Q 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 | ASUS ZenWatch 3 WI503Q | Amazfit GTS 4 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Android Wear | Zepp OS |
| Supported Host Device OS | Android 4.3 (Jelly Bean) or later, iOS 8.2 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 | Main unit: 60 g Wrist strap: 20 g |
- |
| Body Material | 316L stainless steel alloy | Stainless steel, aluminium alloy frame |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | ASUS ZenWatch 3 WI503Q | Amazfit GTS 4 |
|---|
| Sensors | Ambient light sensor, 6-axis accelerometer | Accelerometer, ambient light sensor, geomagnetic sensor, barometric altimeter, gyroscope, BioTracker PPG 4.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, steps taken | 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 | Call handling, camera remote control, phone unlocking | 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 | Calendar, SMS, Email | SMS, incoming calls, applications, high and low heart rate, low blood-oxygen, high stress level |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Audio alert, vibration alert, visual interface |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | ASUS ZenWatch 3 WI503Q | Amazfit GTS 4 |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 4.1 | Wi-Fi, Bluetooth 5.0 |
|---|
| DISPLAY | ASUS ZenWatch 3 WI503Q | Amazfit GTS 4 |
|---|
| Type | AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 400 x 400 pixels | 390 x 450 pixels |
| Screen Size | 1.39" | 1.75" |
| Pixel Density | 287 ppi | 341 ppi |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass), 2.5D Arc Glass | Tempered glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | ASUS ZenWatch 3 WI503Q | Amazfit GTS 4 |
|---|
| Touchscreen Technology | Capacitive | - |
|---|---|---|
| Type | Touch sensitive screen (multi-touch) | Touch sensitive screen, push button |
| CASE | ASUS ZenWatch 3 WI503Q | Amazfit GTS 4 |
|---|
| Case Size | 45 mm | - |
|---|---|---|
| Case Shape | Round | Rectangular |
| Case Details | Gunmetal | Aluminium alloy |
| BAND | ASUS ZenWatch 3 WI503Q | Amazfit GTS 4 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Width | 22 mm | 20 mm |
| Fits Wrist with Circumference | - | 140-200 mm |
| Changeable | Yes | Yes |
| Clasp Type | - | Pin buckle |
| Band Material | Leather | Fluoroelastomer |
| Band Colour | Dark brown | Infinite black | Misty white | Rosebud pink |
| STORAGE | ASUS ZenWatch 3 WI503Q | Amazfit GTS 4 |
|---|
| Storage Capacity | 4 GB | - |
|---|---|---|
| User Memory | - | 2.3 GB |
| RAM | ASUS ZenWatch 3 WI503Q | Amazfit GTS 4 |
|---|
| RAM Size | 512 MB | - |
|---|
| CPU | ASUS ZenWatch 3 WI503Q | Amazfit GTS 4 |
|---|
| Manufacturer | Qualcomm | - |
|---|---|---|
| CPU Type | Snapdragon Wear 2100 | - |
| BATTERY | ASUS ZenWatch 3 WI503Q | Amazfit GTS 4 |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Capacity | 340 mAh | 300 mAh |
| Battery Life Details | - | 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 |
| Recharge Time | - | 2 hour(s) |
| MISCELLANEOUS | ASUS ZenWatch 3 WI503Q | Amazfit GTS 4 |
|---|
| Included Accessories | Power adapter, magnetic charging cable | Magnetic charging cable |
|---|---|---|
| Preloaded Software | Stopwatch, Alarm, Timer | To Do List, Games, Stopwatch, Calendar, World clock, Alarm Clock, Reminders, Timer, Compass, Countdown timer |
| Compliant Standards | IP67 | - |
| Max Depth of Water Resistance | 1 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | 0 °C |
| Warranty | 1-year warranty | 1-year warranty |
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