Detailed comparison and review of i'm Watch Tech Collection and Amazfit GTR 2. 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 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | I'm Droid 2 (customised Android version) | - |
| Supported Host Device OS | Android 4.0 (Ice Cream Sandwich) or later, iOS 4 or later, Blackberry 10 or later | iOS 10 or later, Android 5.0 (Lollipop) or later |
| 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: 39 g |
| Body Material | Titanium | Stainless steel |
| Protection | - | Water-resistant |
| Colours | Black | White | - |
| Clock Display | - | Yes |
| FEATURES | i'm Watch Tech Collection | Amazfit GTR 2 |
|---|
| Sensors | Accelerometer, magnetometer | Accelerometer, ambient light sensor, gyro sensor, SpO2 sensor, 3-axis magnetometer, BioTracker 2 PPG biological tracking optical sensor |
|---|---|---|
| Tracking Data | - | Distance, calories burned, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level, REM phases |
| Goal Setting | - | Yes |
| Features | Hands-free | Making a call, store & play music, huami-PAI Health Assessment System |
| Notifications | Missed calls | SMS, Email, social apps, incoming calls |
| Vibrating Alert | - | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Digital Player | MP3 | - |
| Navigation (GPS) | - | GPS receiver |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa |
| CELLULAR | i'm Watch Tech Collection | Amazfit GTR 2 |
|---|
| Messaging Services | SMS | - |
|---|---|---|
| Supported Mobile Messaging Services | SMS | - |
| CONNECTIVITY | i'm Watch Tech Collection | Amazfit GTR 2 |
|---|
| Wireless Interface | Bluetooth | Wi-Fi, Bluetooth 5.0 |
|---|---|---|
| Connectors | 3.5 mm headphone jack | - |
| DISPLAY | i'm Watch Tech Collection | Amazfit GTR 2 |
|---|
| Type | LCD - colour | AMOLED - colour |
|---|---|---|
| Resolution | 240 x 240 pixels | 454 x 454 pixels |
| Screen Size | 1.54" | 1.39" |
| Pixel Density | 220 ppi | 326 ppi |
| Screen Protection | - | Tempered glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | i'm Watch Tech Collection | Amazfit GTR 2 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | i'm Watch Tech Collection | Amazfit GTR 2 |
|---|
| Case Shape | - | Round |
|---|
| BAND | i'm Watch Tech Collection | Amazfit GTR 2 |
|---|
| Band Type | - | Strap |
|---|---|---|
| Band Width | - | 22 mm |
| Changeable | - | Yes |
| Clasp Type | - | Pin buckle |
| Band Material | - | Leather |
| Band Colour | - | Obsidian black |
| STORAGE | i'm Watch Tech Collection | Amazfit GTR 2 |
|---|
| Storage Capacity | 4 GB | - |
|---|---|---|
| User Memory | - | 3 GB |
| RAM | i'm Watch Tech Collection | Amazfit GTR 2 |
|---|
| RAM Size | 128 MB | - |
|---|
| CPU | i'm Watch Tech Collection | Amazfit GTR 2 |
|---|
| CPU Type | i.MX233 | - |
|---|
| BATTERY | i'm Watch Tech Collection | Amazfit GTR 2 |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Capacity | 450 mAh | 471 mAh |
| Battery Life | 5 hours | - |
| Battery Life Details | - | Typical usage - up to 14 days Basic mode - up to 38 days GPS mode - up to 48 hour(s) Talk time - up to 10 hour(s) |
| Standby Time | 48 h | - |
| Rechargeable Battery | - | Yes |
| Recharge Time | - | 2.5 hour(s) |
| MISCELLANEOUS | i'm Watch Tech Collection | Amazfit GTR 2 |
|---|
| Included Accessories | - | Magnetic charging dock |
|---|---|---|
| Preloaded Software | Address Book, Mail, Calculator, SMS, Facebook, Twitter, Photos, News, Weather, Music, Instagram, Stock Market, i'moticon, Appointments, Calls | Amazon Alexa |
| Max Depth of Water Resistance | - | 50 m |
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