In depth comparison and review of ASUS VivoWatch SP HC-A05 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 VivoWatch SP HC-A05 | Amazfit GTS 4 |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Operating System | - | Zepp OS |
| Supported Host Device OS | Android 4.4 (KitKat) or later, iOS 11 or later | iOS 12 or later, Android 7.0 (Nougat) or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | - | 36.5 mm |
| Height | - | 42.7 mm |
| Depth | - | 9.9 mm |
| Weight | - | 27 g |
| Body Details | Case only: 36 g With band: 62 g |
- |
| Body Material | - | Stainless steel, aluminium alloy frame |
| Protection | Dustproof, waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | ASUS VivoWatch SP HC-A05 | Amazfit GTS 4 |
|---|
| Sensors | Altimeter, gravity sensor, ECG sensor, PPG sensor | Accelerometer, ambient light sensor, geomagnetic sensor, barometric altimeter, gyroscope, BioTracker PPG 4.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, speed, calories burned, sleep activity, heart rate, steps taken, floors climbed, blood oxygen saturation, stress level, blood pressure, ECG, sleep quality score | 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 alerts, inactivity alert, ASUS HealthAI technology, medication reminder | 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 | 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 receiver | - |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | ASUS VivoWatch SP HC-A05 | Amazfit GTS 4 |
|---|
| Wireless Interface | Bluetooth 4.2 | Wi-Fi, Bluetooth 5.0 |
|---|
| DISPLAY | ASUS VivoWatch SP HC-A05 | Amazfit GTS 4 |
|---|
| Type | LCD - colour - high-reflective | AMOLED - colour |
|---|---|---|
| Resolution | - | 390 x 450 pixels |
| Screen Size | - | 1.75" |
| Pixel Density | - | 341 ppi |
| Screen Protection | - | Tempered glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | ASUS VivoWatch SP HC-A05 | Amazfit GTS 4 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push button |
|---|
| CASE | ASUS VivoWatch SP HC-A05 | Amazfit GTS 4 |
|---|
| Case Shape | - | Rectangular |
|---|---|---|
| Case Details | - | Aluminium alloy |
| BAND | ASUS VivoWatch SP HC-A05 | Amazfit GTS 4 |
|---|
| Band Type | Strap | Strap |
|---|---|---|
| Band Width | 22 mm | 20 mm |
| Fits Wrist with Circumference | - | 140-200 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Pin buckle |
| Band Material | Medical silicone | Fluoroelastomer |
| Band Colour | - | Infinite black | Misty white | Rosebud pink |
| STORAGE | ASUS VivoWatch SP HC-A05 | Amazfit GTS 4 |
|---|
| User Memory | - | 2.3 GB |
|---|
| BATTERY | ASUS VivoWatch SP HC-A05 | Amazfit GTS 4 |
|---|
| Capacity | 200 mAh | 300 mAh |
|---|---|---|
| Battery Life | 10 day(s) | - |
| Battery Life Details | Typical usage - up to 10 days Power saving mode - up to 14 days |
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 VivoWatch SP HC-A05 | Amazfit GTS 4 |
|---|
| Included Accessories | Charging clip | Magnetic charging cable |
|---|---|---|
| Preloaded Software | - | 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 |
| Warranty | - | 1-year warranty |
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