In depth comparison and review of Apple Watch Series 4 (GPS) 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 | Apple Watch Series 4 (GPS) | Amazfit GTS 4 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | WatchOS 5 | Zepp OS |
| Supported Host Device OS | iOS | 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 | 34 mm | 36.5 mm |
| Height | 40 mm | 42.7 mm |
| Depth | 10.7 mm | 9.9 mm |
| Weight | 30.1 g | 27 g |
| Body Material | Anodised aluminium | Stainless steel, aluminium alloy frame |
| Protection | Water-resistant | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch Series 4 (GPS) | Amazfit GTS 4 |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, barometric altimeter, optical heart sensor, electrical heart sensor | Accelerometer, ambient light sensor, geomagnetic sensor, barometric altimeter, gyroscope, BioTracker PPG 4.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, heart rate, steps taken, UV index, Air Quality index | 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 | Music remote handling, ECG accurate heart rate, listening to music, Retina Display technology, call alerts, automatic exercise recognition, Fall detection, Emergency SOS | 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 | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/QZSS receiver | - |
| Internet of Things (IoT) Compatible | Yes | Yes |
| IoT Intelligent Assistant | Siri | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Apple Watch Series 4 (GPS) | Amazfit GTS 4 |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 5.0 | Wi-Fi, Bluetooth 5.0 |
|---|
| DISPLAY | Apple Watch Series 4 (GPS) | Amazfit GTS 4 |
|---|
| Type | LTPO OLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 324 x 394 pixels | 390 x 450 pixels |
| Screen Size | - | 1.75" |
| Pixel Density | - | 341 ppi |
| Screen Protection | Ion-X glass | Tempered glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Apple Watch Series 4 (GPS) | Amazfit GTS 4 |
|---|
| Type | Touch sensitive screen (Force Touch) | Touch sensitive screen, push button |
|---|
| CASE | Apple Watch Series 4 (GPS) | Amazfit GTS 4 |
|---|
| Case Size | 40 mm | - |
|---|---|---|
| Case Shape | - | Rectangular |
| Case Back | All ceramic and sapphire crystal back | - |
| Case Details | Silver aluminium | Space grey aluminium | Gold aluminium | Aluminium alloy |
| Crown Type | Digital with haptic feedback | - |
| BAND | Apple Watch Series 4 (GPS) | Amazfit GTS 4 |
|---|
| Band Type | Sport band | Strap |
|---|---|---|
| Band Width | - | 20 mm |
| Fits Wrist with Circumference | 130-200 mm | 140-200 mm |
| Changeable | - | Yes |
| Clasp Type | Pin-and-tuck | Pin buckle |
| Band Material | Fluoroelastomer | Fluoroelastomer |
| Band Colour | White | Seashell | Black | Pink sand | Infinite black | Misty white | Rosebud pink |
| STORAGE | Apple Watch Series 4 (GPS) | Amazfit GTS 4 |
|---|
| Storage Capacity | 16 GB | - |
|---|---|---|
| User Memory | - | 2.3 GB |
| CPU | Apple Watch Series 4 (GPS) | Amazfit GTS 4 |
|---|
| Manufacturer | Apple | - |
|---|---|---|
| CPU Type | S4 | - |
| Features | W3 Apple wireless chip | - |
| BATTERY | Apple Watch Series 4 (GPS) | Amazfit GTS 4 |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Capacity | - | 300 mAh |
| Battery Life | 18 hours | - |
| 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 | Apple Watch Series 4 (GPS) | Amazfit GTS 4 |
|---|
| Included Accessories | Power adapter, magnetic charging cable | 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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