Side by side comparison and review of Apple Watch Series 4 (GPS + Cellular) and Amazfit GTR 2. Compare design, displays, functions, batteries and other key specifications and features to simplify the choice of your perfect smartwatch. Our goal is to make it easier for you to decide on the watch that will best meet your expectations by revealing the main differences between the products.
| GENERAL | Apple Watch Series 4 (GPS + Cellular) | Amazfit GTR 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | WatchOS 5 | - |
| Supported Host Device OS | iOS | iOS 10 or later, Android 5.0 (Lollipop) or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | Microphone |
| Audio Output | Speaker | - |
| Width | 34 mm | - |
| Height | 40 mm | - |
| Depth | 10.7 mm | - |
| Weight | 39.8 g | - |
| Body Details | - | Case only: 39 g |
| Body Material | Stainless steel | Stainless steel |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch Series 4 (GPS + Cellular) | Amazfit GTR 2 |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, barometric altimeter, optical heart sensor, electrical heart sensor | Accelerometer, ambient light sensor, gyro sensor, SpO2 sensor, 3-axis magnetometer, BioTracker 2 PPG biological tracking optical sensor |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, heart rate, steps taken, UV index, Air Quality index | Distance, calories burned, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level, REM phases |
| 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 | Making a call, store & play music, huami-PAI Health Assessment System |
| Notifications | Calendar, SMS, Email | SMS, Email, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Audio alert, vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/QZSS receiver | GPS receiver |
| Payment Technology | Apple Pay | - |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | Siri | Alexa |
| CELLULAR | Apple Watch Series 4 (GPS + Cellular) | Amazfit GTR 2 |
|---|
| Technology | WCDMA (UMTS) / GSM | - |
|---|---|---|
| Mobile Broadband Generation | 4G | - |
| SIM Card Type | Electronic SIM card (e-SIM) | - |
| Messaging Services | SMS | - |
| Supported Mobile Messaging Services | SMS | - |
| CONNECTIVITY | Apple Watch Series 4 (GPS + Cellular) | Amazfit GTR 2 |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 5.0 | Wi-Fi, Bluetooth 5.0 |
|---|
| DISPLAY | Apple Watch Series 4 (GPS + Cellular) | Amazfit GTR 2 |
|---|
| Type | LTPO OLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 324 x 394 pixels | 454 x 454 pixels |
| Screen Size | 1.57" | 1.39" |
| Pixel Density | - | 326 ppi |
| Screen Protection | Sapphire glass | Tempered glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Apple Watch Series 4 (GPS + Cellular) | Amazfit GTR 2 |
|---|
| Type | Touch sensitive screen (Force Touch) | Touch sensitive screen |
|---|
| CASE | Apple Watch Series 4 (GPS + Cellular) | Amazfit GTR 2 |
|---|
| Case Size | 40 mm | - |
|---|---|---|
| Case Shape | Rectangular | Round |
| Case Back | Sapphire crystal and ceramic back | - |
| Case Details | Stainless steel | Space grey aluminium | Space black stainless steel | Silver aluminium | Gold aluminium | Gold stainless steel | - |
| Crown Type | Digital with haptic feedback | - |
| BAND | Apple Watch Series 4 (GPS + Cellular) | Amazfit GTR 2 |
|---|
| Band Type | Milanese loop | Strap |
|---|---|---|
| Band Width | - | 22 mm |
| Fits Wrist with Circumference | 130-180 mm | - |
| Changeable | - | Yes |
| Clasp Type | Magnetic closure | Pin buckle |
| Band Material | Steel mesh | Leather |
| Band Colour | White | Black | Pink sand | Space black | Gold | Seashell | Stone | Obsidian black |
| STORAGE | Apple Watch Series 4 (GPS + Cellular) | Amazfit GTR 2 |
|---|
| Storage Capacity | 16 GB | - |
|---|---|---|
| User Memory | - | 3 GB |
| CPU | Apple Watch Series 4 (GPS + Cellular) | Amazfit GTR 2 |
|---|
| Manufacturer | Apple | - |
|---|---|---|
| CPU Type | S4 | - |
| Features | W3 Apple wireless chip | - |
| BATTERY | Apple Watch Series 4 (GPS + Cellular) | Amazfit GTR 2 |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Capacity | - | 471 mAh |
| Battery Life | 18 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) |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | - | 2.5 hour(s) |
| Wireless Charging | Yes | - |
| MISCELLANEOUS | Apple Watch Series 4 (GPS + Cellular) | Amazfit GTR 2 |
|---|
| Included Accessories | Power adapter, magnetic charging cable | Magnetic charging dock |
|---|---|---|
| Preloaded Software | Apple Pay | Amazon Alexa |
| SAR Value | 0.27 W/kg (head), 0.26 W/kg (limb) | - |
| Max Depth of Water Resistance | 50 m | 50 m |
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