Detailed comparison and review of i'm Watch Tech Collection and Amazfit GTR 3. 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 3 |
|---|
| 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 | - |
| Width | 40.6 mm | - |
| Height | 52.9 mm | - |
| Depth | 10 mm | - |
| Body Details | - | Case only: 32 g |
| Body Material | Titanium | Aluminium alloy |
| Protection | - | Water-resistant |
| Colours | Black | White | - |
| Clock Display | - | Yes |
| FEATURES | i'm Watch Tech Collection | Amazfit GTR 3 |
|---|
| Sensors | Accelerometer, magnetometer | Accelerometer, ambient light sensor, gyro sensor, geomagnetic sensor, barometric altimeter, temperature, BioTracker PPG 3.0 biometric sensor |
|---|---|---|
| Tracking Data | - | Distance, calories burned, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level |
| Goal Setting | - | Yes |
| Features | Hands-free | Camera remote control, find phone function, automatic exercise recognition, weather information, PAI Health Assessment System |
| Notifications | Missed calls | Calendar |
| Vibrating Alert | - | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Digital Player | MP3 | - |
| Navigation (GPS) | - | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa |
| IoT Voice Controlled | - | Direct |
| CELLULAR | i'm Watch Tech Collection | Amazfit GTR 3 |
|---|
| Messaging Services | SMS | - |
|---|---|---|
| Supported Mobile Messaging Services | SMS | - |
| CONNECTIVITY | i'm Watch Tech Collection | Amazfit GTR 3 |
|---|
| Wireless Interface | Bluetooth | Bluetooth 5.1 |
|---|---|---|
| Connectors | 3.5 mm headphone jack | - |
| DISPLAY | i'm Watch Tech Collection | Amazfit GTR 3 |
|---|
| Type | LCD - colour | AMOLED - colour |
|---|---|---|
| Resolution | 240 x 240 pixels | 454 x 454 pixels |
| Screen Size | 1.54" | 1.39" |
| Aspect Ratio | - | Full circle |
| Pixel Density | 220 ppi | 326 ppi |
| Screen Protection | - | Tempered glass |
| INPUT DEVICE | i'm Watch Tech Collection | Amazfit GTR 3 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push button |
|---|
| CASE | i'm Watch Tech Collection | Amazfit GTR 3 |
|---|
| Case Shape | - | Round |
|---|---|---|
| Crown Type | - | Classic crown |
| BAND | i'm Watch Tech Collection | Amazfit GTR 3 |
|---|
| Band Type | - | Strap |
|---|---|---|
| Band Width | - | 22 mm |
| Fits Wrist with Circumference | - | 155-218 mm |
| Changeable | - | Yes |
| Clasp Type | - | Buckle |
| Band Material | - | Silicone |
| Band Colour | - | Moonlight grey | Thunder black |
| STORAGE | i'm Watch Tech Collection | Amazfit GTR 3 |
|---|
| Storage Capacity | 4 GB | - |
|---|
| RAM | i'm Watch Tech Collection | Amazfit GTR 3 |
|---|
| RAM Size | 128 MB | - |
|---|
| CPU | i'm Watch Tech Collection | Amazfit GTR 3 |
|---|
| CPU Type | i.MX233 | - |
|---|
| BATTERY | i'm Watch Tech Collection | Amazfit GTR 3 |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Capacity | 450 mAh | 450 mAh |
| Battery Life | 5 hours | - |
| Battery Life Details | - | Battery safe mode - up to 35 days Heavy usage - up to 10 days Typical usage - up to 21 days GPS mode - up to 35 hour(s) |
| Standby Time | 48 h | - |
| Rechargeable Battery | - | Yes |
| Recharge Time | - | 2 hour(s) |
| MISCELLANEOUS | i'm Watch Tech Collection | Amazfit GTR 3 |
|---|
| Included Accessories | - | Magnetic charging stand |
|---|---|---|
| Preloaded Software | Address Book, Mail, Calculator, SMS, Facebook, Twitter, Photos, News, Weather, Music, Instagram, Stock Market, i'moticon, Appointments, Calls | Zepp App |
| Max Depth of Water Resistance | - | 50 m |
| Warranty | - | 1-year warranty |
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