In depth comparison and review of i'm Watch Tech Collection 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 | i'm Watch Tech Collection | Amazfit GTS 4 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | I'm Droid 2 (customised Android version) | Zepp OS |
| Supported Host Device OS | Android 4.0 (Ice Cream Sandwich) or later, iOS 4 or later, Blackberry 10 or later | iOS 12 or later, Android 7.0 (Nougat) or later |
| Activity/Sport | - | Multisport |
| Wearing Style | - | Watch style |
| Audio Input | Microphone | Microphone |
| Audio Output | Speaker | Speaker |
| Width | 40.6 mm | 36.5 mm |
| Height | 52.9 mm | 42.7 mm |
| Depth | 10 mm | 9.9 mm |
| Weight | - | 27 g |
| Body Material | Titanium | Stainless steel, aluminium alloy frame |
| Protection | - | Water-resistant |
| Colours | Black | White | - |
| Clock Display | - | Yes |
| FEATURES | i'm Watch Tech Collection | Amazfit GTS 4 |
|---|
| Sensors | Accelerometer, magnetometer | Accelerometer, ambient light sensor, geomagnetic sensor, barometric altimeter, gyroscope, BioTracker PPG 4.0 biometric sensor |
|---|---|---|
| Tracking Data | - | 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 |
| Features | Hands-free | 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 | Missed calls | SMS, incoming calls, applications, high and low heart rate, low blood-oxygen, high stress level |
| Vibrating Alert | - | Yes |
| Feedback Type | - | Audio alert, vibration alert, visual interface |
| Digital Player | MP3 | - |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CELLULAR | i'm Watch Tech Collection | Amazfit GTS 4 |
|---|
| Messaging Services | SMS | - |
|---|---|---|
| Supported Mobile Messaging Services | SMS | - |
| CONNECTIVITY | i'm Watch Tech Collection | Amazfit GTS 4 |
|---|
| Wireless Interface | Bluetooth | Wi-Fi, Bluetooth 5.0 |
|---|---|---|
| Connectors | 3.5 mm headphone jack | - |
| DISPLAY | i'm Watch Tech Collection | Amazfit GTS 4 |
|---|
| Type | LCD - colour | AMOLED - colour |
|---|---|---|
| Resolution | 240 x 240 pixels | 390 x 450 pixels |
| Screen Size | 1.54" | 1.75" |
| Pixel Density | 220 ppi | 341 ppi |
| Screen Protection | - | Tempered glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | i'm Watch Tech Collection | Amazfit GTS 4 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push button |
|---|
| CASE | i'm Watch Tech Collection | Amazfit GTS 4 |
|---|
| Case Shape | - | Rectangular |
|---|---|---|
| Case Details | - | Aluminium alloy |
| BAND | i'm Watch Tech Collection | Amazfit GTS 4 |
|---|
| Band Type | - | Strap |
|---|---|---|
| Band Width | - | 20 mm |
| Fits Wrist with Circumference | - | 140-200 mm |
| Changeable | - | Yes |
| Clasp Type | - | Pin buckle |
| Band Material | - | Fluoroelastomer |
| Band Colour | - | Infinite black | Misty white | Rosebud pink |
| STORAGE | i'm Watch Tech Collection | Amazfit GTS 4 |
|---|
| Storage Capacity | 4 GB | - |
|---|---|---|
| User Memory | - | 2.3 GB |
| RAM | i'm Watch Tech Collection | Amazfit GTS 4 |
|---|
| RAM Size | 128 MB | - |
|---|
| CPU | i'm Watch Tech Collection | Amazfit GTS 4 |
|---|
| CPU Type | i.MX233 | - |
|---|
| BATTERY | i'm Watch Tech Collection | Amazfit GTS 4 |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Capacity | 450 mAh | 300 mAh |
| Battery Life | 5 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 |
| Standby Time | 48 h | - |
| Rechargeable Battery | - | Yes |
| Recharge Time | - | 2 hour(s) |
| MISCELLANEOUS | i'm Watch Tech Collection | Amazfit GTS 4 |
|---|
| Included Accessories | - | Magnetic charging cable |
|---|---|---|
| Preloaded Software | Address Book, Mail, Calculator, SMS, Facebook, Twitter, Photos, News, Weather, Music, Instagram, Stock Market, i'moticon, Appointments, Calls | To Do List, Games, Stopwatch, Calendar, World clock, Alarm Clock, Reminders, Timer, Compass, Countdown timer |
| Max Depth of Water Resistance | - | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | 0 °C |
| Warranty | - | 1-year warranty |
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