In depth comparison and review of Apple Watch Series 8 (GPS + Cellular) 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 8 (GPS + Cellular) | Amazfit GTR 4 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | WatchOS | Zepp OS |
| Supported Host Device OS | iOS 16 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 |
| Body Details | Case only: 32 g | With band: 34 g |
| Body Material | Aerospace-grade aluminium alloy | Aluminium alloy frame |
| Protection | Water-resistant, dust-resistant, crack-resistant | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch Series 8 (GPS + Cellular) | Amazfit GTR 4 |
|---|
| Sensors | Accelerometer, ambient light sensor, digital compass, electrical heart sensor, blood oxygen sensor, gyroscope, temperature sensing, optical heart sensor (3d gen), always-on altimeter | Accelerometer, ambient light sensor, geomagnetic sensor, barometric altimeter, gyroscope, BioTracker PPG 4.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, sleep activity, heart rate, blood oxygen saturation, sleep stages, menstrual cycle, ECG, ovulation phase, rapid eye movement (REM) | 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, Fall detection, Emergency SOS, Family Setup support, International Emergency Calling, Crash Detection, noise monitoring, Compass Waypoint, brightness: 1000 nits, Edge-to-edge display | 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, high and low heart rate, irregular rhythm, cardio fitness | 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 | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/BeiDou/QZSS receiver | - |
| Payment Technology | Apple Pay | - |
| Internet of Things (IoT) Compatible | Yes | Yes |
| IoT Intelligent Assistant | Siri | Alexa built-in |
| IoT Voice Controlled | Direct | Direct |
| CELLULAR | Apple Watch Series 8 (GPS + Cellular) | Amazfit GTR 4 |
|---|
| Technology | WCDMA (UMTS) | - |
|---|---|---|
| Mobile Broadband Generation | 4G | - |
| SIM Card Type | Electronic SIM card (e-SIM) | - |
| CONNECTIVITY | Apple Watch Series 8 (GPS + Cellular) | Amazfit GTR 4 |
|---|
| 3M UMTS Band | Band 1, Band 2, Band 5, Band 8, Band 10 | - |
|---|---|---|
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 39, Band 40, Band 41, Band 66 | - |
| Wireless Interface | IEEE 802.11b/g/n, LTE, Bluetooth 5.0, Ultra-Wideband (UWB) | Wi-Fi, Bluetooth 5.0 BLE |
| DISPLAY | Apple Watch Series 8 (GPS + Cellular) | Amazfit GTR 4 |
|---|
| Type | Retina LTPO OLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 352 x 430 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 | Yes |
| INPUT DEVICE | Apple Watch Series 8 (GPS + Cellular) | Amazfit GTR 4 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push buttons |
|---|
| CASE | Apple Watch Series 8 (GPS + Cellular) | Amazfit GTR 4 |
|---|
| Case Size | 41 mm | - |
|---|---|---|
| Case Shape | Rectangular | Circular |
| Case Back | Sapphire crystal and ceramic back | Polycarbonate |
| Case Details | Starlight aluminium | Red aluminium | Silver stainless steel | Gold stainless steel | Midnight aluminium | Graphite stainless steel | Silver aluminium | Aluminium alloy |
| Crown Type | Digital with haptic feedback | - |
| BAND | Apple Watch Series 8 (GPS + Cellular) | Amazfit GTR 4 |
|---|
| Band Type | Sport band | Strap |
|---|---|---|
| Band Size | Regular | - |
| Band Width | - | 22 mm |
| Fits Wrist with Circumference | 130-200 mm | 150-215 mm |
| Changeable | Yes | Yes |
| Clasp Type | Pin-and-tuck | Pin buckle |
| Band Material | Fluoroelastomer | Fluoroelastomer |
| Band Colour | Starlight | Red | White | Midnight | Silver | Gold | Graphite | Superspeed black | Vintage brown leather |
| STORAGE | Apple Watch Series 8 (GPS + Cellular) | Amazfit GTR 4 |
|---|
| Storage Capacity | 32 GB | - |
|---|---|---|
| User Memory | - | 2.3 GB |
| CPU | Apple Watch Series 8 (GPS + Cellular) | Amazfit GTR 4 |
|---|
| Manufacturer | Apple | - |
|---|---|---|
| CPU Type | S8 SiP | - |
| Features | W3 Apple wireless chip, U1 chip | - |
| BATTERY | Apple Watch Series 8 (GPS + Cellular) | Amazfit GTR 4 |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| 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 | Yes |
| Recharge Time | - | 2 hour(s) |
| Wireless Charging | Yes | - |
| MISCELLANEOUS | Apple Watch Series 8 (GPS + Cellular) | Amazfit GTR 4 |
|---|
| Included Accessories | Magnetic fast charger to USB-C cable (1 m) | Magnetic charging cable |
|---|---|---|
| Preloaded Software | Apple Pay, GymKit | To Do List, Games, Stopwatch, Calendar, World clock, Alarm Clock, Reminders, Timer, Compass, Countdown timer |
| Compliant Standards | IP6X | - |
| SAR Value | 0.31 W/kg (head), 0.55 W/kg (head) | - |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | 0 °C |
| Manufacturer Model Number | A2773 | - |
| Warranty | 1-year warranty | 1-year warranty |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
