In depth comparison and review of Apple Watch Series 2 and Amazfit GTR 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 | Apple Watch Series 2 | Amazfit GTR 4 |
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Product Type | Smart watch | Smart watch |
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Operating System | WatchOS 3 | Zepp OS |
Supported Host Device OS | iOS 10 or later | iOS 12 or later, Android 7.0 (Nougat) or later |
Activity/Sport | - | Multisport |
Wearing Style | Watch style | Watch style |
Audio Input | Microphone | Microphone |
Audio Output | Speaker | Speaker |
Width | 33.3 mm | - |
Height | 38.6 mm | - |
Depth | 11.4 mm | - |
Weight | 28.2 g | - |
Body Details | - | With band: 34 g |
Body Material | Aluminium | Aluminium alloy frame |
Protection | Waterproof | Water-resistant |
Colours | Space black | Silver | - |
Clock Display | Yes | Yes |
FEATURES | Apple Watch Series 2 | Amazfit GTR 4 |
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Sensors | Accelerometer, ambient light sensor, gyro sensor, heart rate | Accelerometer, ambient light sensor, geomagnetic sensor, barometric altimeter, gyroscope, BioTracker PPG 4.0 biometric sensor |
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Tracking Data | Distance, time, calories burned, activity, heart rate, steps taken | 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 | Yes |
Features | Call handling, Retina Display technology | 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 | Calendar, SMS, Email | SMS, incoming calls, applications, high and low heart rate, low blood-oxygen, high stress level |
Vibrating Alert | Yes | Yes |
Feedback Type | - | Audio alert, vibration alert, visual interface |
Navigation (GPS) | GPS/GLONASS receiver | - |
Internet of Things (IoT) Compatible | - | Yes |
IoT Intelligent Assistant | - | Alexa built-in |
IoT Voice Controlled | - | Direct |
CONNECTIVITY | Apple Watch Series 2 | Amazfit GTR 4 |
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Wireless Interface | IEEE 802.11b/g/n, Bluetooth 4.0 | Wi-Fi, Bluetooth 5.0 BLE |
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DISPLAY | Apple Watch Series 2 | Amazfit GTR 4 |
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Type | OLED - colour | AMOLED - colour |
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Resolution | 272 x 340 pixels | 466 x 466 pixels |
Screen Size | - | 1.43" |
Pixel Density | - | 326 ppi |
Screen Protection | Ion-X glass | Fingerprint-resistant coating, tempered glass, anti-glare bezel |
Always On Display (AOD) | - | Yes |
INPUT DEVICE | Apple Watch Series 2 | Amazfit GTR 4 |
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Type | Touch sensitive screen (Force Touch) | Touch sensitive screen, push buttons |
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CASE | Apple Watch Series 2 | Amazfit GTR 4 |
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Case Size | 38 mm | - |
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Case Shape | - | Circular |
Case Back | Ceramic back | Polycarbonate |
Case Details | Silver aluminium | Stainless steel | Rose gold aluminium | Gold aluminium | Space grey aluminium | Space black stainless steel | Aluminium alloy |
Crown Type | Digital | - |
BAND | Apple Watch Series 2 | Amazfit GTR 4 |
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Band Type | Sport band | Strap |
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Band Size | S/M/L | - |
Band Width | - | 22 mm |
Fits Wrist with Circumference | 130-200 mm | 150-215 mm |
Changeable | - | Yes |
Clasp Type | Pin-and-tuck | Pin buckle |
Band Material | Fluoroelastomer | Fluoroelastomer |
Band Colour | White | Black | Pink sand | Concrete | Silver | Midnight blue | Pearl | Light pink/midnight blue | Yellow/light grey | Saddle brown | Space black | Superspeed black | Vintage brown leather |
STORAGE | Apple Watch Series 2 | Amazfit GTR 4 |
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User Memory | - | 2.3 GB |
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CPU | Apple Watch Series 2 | Amazfit GTR 4 |
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Manufacturer | Apple | - |
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CPU Type | S2 | - |
BATTERY | Apple Watch Series 2 | Amazfit GTR 4 |
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Technology | Lithium Ion | - |
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Capacity | - | 475 mAh |
Battery Life | 18 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 |
Rechargeable Battery | - | Yes |
Recharge Time | - | 2 hour(s) |
MISCELLANEOUS | Apple Watch Series 2 | Amazfit GTR 4 |
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Included Accessories | Power adapter, magnetic charging cable | Magnetic charging cable |
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Preloaded Software | Siri | To Do List, Games, Stopwatch, Calendar, World clock, Alarm Clock, Reminders, Timer, Compass, Countdown timer |
SAR Value | 0.056 W/kg (head), 0.049 W/kg (limb) | - |
Max Depth of Water Resistance | 50 m | 50 m |
Max Operating Temperature | - | 45 °C |
Min Operating Temperature | - | 0 °C |
Warranty | - | 1-year warranty |