Detailed comparison and review of i'm Watch Tech Collection and Amazfit GTR 4. With our comprehensive overview, you can simply compare size, design, functions, battery capacities, but also other key features of both smartwatches and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the watch that best fits your needs and expectations.
| GENERAL | i'm Watch Tech Collection | Amazfit GTR 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 | - |
| Height | 52.9 mm | - |
| Depth | 10 mm | - |
| Body Details | - | With band: 34 g |
| Body Material | Titanium | Aluminium alloy frame |
| Protection | - | Water-resistant |
| Colours | Black | White | - |
| Clock Display | - | Yes |
| FEATURES | i'm Watch Tech Collection | Amazfit GTR 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, 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 GTR 4 |
|---|
| Messaging Services | SMS | - |
|---|---|---|
| Supported Mobile Messaging Services | SMS | - |
| CONNECTIVITY | i'm Watch Tech Collection | Amazfit GTR 4 |
|---|
| Wireless Interface | Bluetooth | Wi-Fi, Bluetooth 5.0 BLE |
|---|---|---|
| Connectors | 3.5 mm headphone jack | - |
| DISPLAY | i'm Watch Tech Collection | Amazfit GTR 4 |
|---|
| Type | LCD - colour | AMOLED - colour |
|---|---|---|
| Resolution | 240 x 240 pixels | 466 x 466 pixels |
| Screen Size | 1.54" | 1.43" |
| Pixel Density | 220 ppi | 326 ppi |
| Screen Protection | - | Fingerprint-resistant coating, tempered glass, anti-glare bezel |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | i'm Watch Tech Collection | Amazfit GTR 4 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push buttons |
|---|
| CASE | i'm Watch Tech Collection | Amazfit GTR 4 |
|---|
| Case Shape | - | Circular |
|---|---|---|
| Case Back | - | Polycarbonate |
| Case Details | - | Aluminium alloy |
| BAND | i'm Watch Tech Collection | Amazfit GTR 4 |
|---|
| Band Type | - | Strap |
|---|---|---|
| Band Width | - | 22 mm |
| Fits Wrist with Circumference | - | 150-215 mm |
| Changeable | - | Yes |
| Clasp Type | - | Pin buckle |
| Band Material | - | Fluoroelastomer |
| Band Colour | - | Superspeed black | Vintage brown leather |
| STORAGE | i'm Watch Tech Collection | Amazfit GTR 4 |
|---|
| Storage Capacity | 4 GB | - |
|---|---|---|
| User Memory | - | 2.3 GB |
| RAM | i'm Watch Tech Collection | Amazfit GTR 4 |
|---|
| RAM Size | 128 MB | - |
|---|
| CPU | i'm Watch Tech Collection | Amazfit GTR 4 |
|---|
| CPU Type | i.MX233 | - |
|---|
| BATTERY | i'm Watch Tech Collection | Amazfit GTR 4 |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Capacity | 450 mAh | 475 mAh |
| Battery Life | 5 hours | - |
| Battery Life Details | - | Typical usage - up to 14 days Battery Saver Watch Mode - up to 24 days Clock - up to 50 days Heavy usage - up to 7 days Accurate mode (with GPS) - up to 25 hours GPS mode - up to 44 hours Power saving mode (with GPS) - up to 52 hours |
| Standby Time | 48 h | - |
| Rechargeable Battery | - | Yes |
| Recharge Time | - | 2 hour(s) |
| MISCELLANEOUS | i'm Watch Tech Collection | Amazfit GTR 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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