Apple Watch Ultra vs. Amazfit GTR 4

Smartwatch Comparison, Reviews and Tests

Side by side comparison and review of Apple Watch Ultra and Amazfit GTR 4. 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.

Smartwatch Specifications Comparison

Apple Watch Ultra vs. Amazfit GTR 4 Comparison Chart
GENERAL Apple Watch Ultra 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 Multisport
Wearing Style Watch style Watch style
Audio Input Three-microphone array Microphone
Audio Output Dual speakers Speaker
Body Details Case only: 61.3 g With band: 34 g
Body Material Aerospace-grade titanium Aluminium alloy frame
Protection Water-resistant, splash-resistant, corrosion resistant, dust-resistant Water-resistant
Clock Display Yes Yes
FEATURES Apple Watch Ultra Amazfit GTR 4
Sensors Accelerometer, ambient light sensor, digital compass, depth gauge, electrical heart sensor, ECG sensor, blood oxygen sensor, gyroscope, water temperature sensor, 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), depth 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 Night mode 154 sports modes
Goal Setting Yes Yes
Features Call handling, store & play music, Fall detection, Emergency SOS, heart rate zones, brightness: 2000 nits, Family Setup support, International Emergency Calling, Siren (86-decibel), Crash Detection, noise monitoring, Compass Waypoint 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 Ultra Amazfit GTR 4
Technology WCDMA (UMTS) -
Mobile Broadband Generation 4G -
SIM Card Type Electronic SIM card (e-SIM) -
CONNECTIVITY Apple Watch Ultra 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 6, 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, Ultra-Wideband (UWB), Bluetooth 5.3 Wi-Fi, Bluetooth 5.0 BLE
DISPLAY Apple Watch Ultra Amazfit GTR 4
Type Retina LTPO OLED - colour AMOLED - colour
Resolution 410 x 502 pixels 466 x 466 pixels
Screen Size - 1.43"
Pixel Density - 326 ppi
Screen Protection Flat sapphire front crystal with display edge protection Fingerprint-resistant coating, tempered glass, anti-glare bezel
Always On Display (AOD) Yes Yes
INPUT DEVICE Apple Watch Ultra Amazfit GTR 4
Type Touch sensitive screen, customisable action button, side button Touch sensitive screen, push buttons
CASE Apple Watch Ultra Amazfit GTR 4
Case Size 49 mm -
Case Shape Rectangular Circular
Case Back - Polycarbonate
Case Details Titanium Aluminium alloy
Crown Type Digital with haptic feedback -
BAND Apple Watch Ultra Amazfit GTR 4
Band Type Alpine Loop Strap
Band Size S -
Band Width - 22 mm
Fits Wrist with Circumference 130-160 mm 150-215 mm
Changeable Yes Yes
Clasp Type G-hook Pin buckle
Band Material Textile Fluoroelastomer
Band Colour Orange | Green | Yellow/beige | Blue/gray | Starlight | Black/gray | White | Yellow | Midnight Superspeed black | Vintage brown leather
STORAGE Apple Watch Ultra Amazfit GTR 4
Storage Capacity 32 GB -
User Memory - 2.3 GB
CPU Apple Watch Ultra Amazfit GTR 4
Manufacturer Apple -
CPU Type S8 SiP -
Features W3 Apple wireless chip, U1 chip -
BATTERY Apple Watch Ultra Amazfit GTR 4
Technology Lithium Ion -
Capacity - 475 mAh
Battery Life 36 hours -
Battery Life Details Normal use - up to 36 hour(s)
With LTE - up to 18 hour(s)
Power saving mode - up to 60 hour(s)
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 Ultra Amazfit GTR 4
Included Accessories Magnetic fast charger to USB-C cable (1 m) Magnetic charging cable
Preloaded Software GymKit, Oceanic+ To Do List, Games, Stopwatch, Calendar, World clock, Alarm Clock, Reminders, Timer, Compass, Countdown timer
Compliant Standards IP6X, MIL-STD-810H, EN13319 -
SAR Value 0.35 W/kg (head), 0.6 W/kg (limb) -
Max Depth of Water Resistance 100 m 50 m
Max Operating Temperature 55 °C 45 °C
Min Operating Temperature -20 °C 0 °C
Manufacturer Model Number A2684 -
Warranty 1-year warranty 1-year warranty
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