Fitbit Ionic vs. Amazfit GTR 3 Pro

Smartwatch Comparison, Reviews and Tests

Detailed comparison and review of Fitbit Ionic and Amazfit GTR 3 Pro. 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.

Smartwatch Specifications Comparison

Fitbit Ionic vs. Amazfit GTR 3 Pro Comparison Chart
GENERAL Fitbit Ionic Amazfit GTR 3 Pro
Product Type Smart watch Smart watch
Operating System - Zepp OS
Supported Host Device OS iOS, Android, Windows Phone iOS 12 or later, Android 7.0 (Nougat) or later
Activity/Sport - Multisport
Wearing Style Watch style Watch style
Audio Input - Microphone
Width 38.6 mm -
Height 12.4 mm -
Lenght 256.5 mm -
Depth 12.4 mm -
Weight 50 g -
Body Details - Case only: 32 g
Body Material Aerospace-grade aluminium Aluminium alloy
Protection Water-resistant Water-resistant
Colours Charcoal, smoke grey | Burnt orange, slate blue | Blue grey, silver grey -
Clock Display - Yes
FEATURES Fitbit Ionic Amazfit GTR 3 Pro
Sensors Accelerometer, altimeter, heart rate Accelerometer, ambient light sensor, gyro sensor, geomagnetic sensor, barometric altimeter, temperature, BioTracker PPG 3.0 biometric sensor
Tracking Data Distance, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, pace, sleep stages, swim laps, active time Distance, calories burned, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level
Goal Setting Yes Yes
Features PurePulse heart rate technology, automatic exercise recognition, SmartTrack Camera remote control, find phone function, automatic exercise recognition, music playback control, weather information, PAI Health Assessment System
Notifications Missed calls, calendar, SMS, social apps Calendar
Vibrating Alert Yes Yes
Feedback Type - Vibration alert, visual interface
Navigation (GPS) - GPS/GLONASS/Galileo/BeiDou/QZSS receiver
Internet of Things (IoT) Compatible - Yes
IoT Intelligent Assistant - Alexa built-in
IoT Voice Controlled - Direct
CONNECTIVITY Fitbit Ionic Amazfit GTR 3 Pro
Wireless Interface Bluetooth, IEEE 802.11b/g/n, NFC Wi-Fi, Bluetooth 5.0
DISPLAY Fitbit Ionic Amazfit GTR 3 Pro
Type LCD - colour AMOLED - colour
Resolution - 480 x 480 pixels
Screen Size - 1.45"
Aspect Ratio - Full circle
Pixel Density - 331 ppi
Screen Protection Corning Gorilla Glass 3 (scratch resistant glass) Tempered glass
INPUT DEVICE Fitbit Ionic Amazfit GTR 3 Pro
Type Touch sensitive screen Touch sensitive screen, push button
CASE Fitbit Ionic Amazfit GTR 3 Pro
Case Shape - Round
Case Details Silver grey aluminium -
Crown Type - Classic crown
BAND Fitbit Ionic Amazfit GTR 3 Pro
Band Type Sport band Strap
Band Width - 22 mm
Fits Wrist with Circumference - 155-218 mm
Changeable - Yes
Clasp Type - Buckle
Band Material - Leather
Band Colour Ink blue/ice grey Brown | Infinite black
BATTERY Fitbit Ionic Amazfit GTR 3 Pro
Capacity - 450 mAh
Battery Life 4 day(s) -
Battery Life Details - Battery safe mode - up to 30 days
Heavy usage - up to 6 days
Typical usage - up to 12 days
GPS mode - up to 35 hour(s)
Rechargeable Battery - Yes
Recharge Time - 2 hour(s)
MISCELLANEOUS Fitbit Ionic Amazfit GTR 3 Pro
Included Accessories Charging cable, 2 wristbands (S+L) Magnetic charging stand
Preloaded Software - Zepp App
Max Depth of Water Resistance 50 m 50 m
Warranty 1-year warranty 2-year warranty
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