Polar Unite vs. Amazfit GTR 3 Pro

Smartwatch Comparison, Reviews and Tests

Side by side comparison and review of Polar Unite and Amazfit GTR 3 Pro. 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

Polar Unite vs. Amazfit GTR 3 Pro Comparison Chart
GENERAL Polar Unite Amazfit GTR 3 Pro
Product Type Sport watch Smart watch
Operating System - Zepp OS
Supported Host Device OS iOS, Android iOS 12 or later, Android 7.0 (Nougat) or later
Activity/Sport - Multisport
Wearing Style Watch style Watch style
Audio Input - Microphone
Width 43.4 mm -
Height 43.4 mm -
Depth 10.4 mm -
Weight 32 g -
Body Details - Case only: 32 g
Body Material Fibreglass reinforced polymer Aluminium alloy
Protection Water-resistant Water-resistant
Clock Display Yes Yes
FEATURES Polar Unite Amazfit GTR 3 Pro
Sensors Accelerometer, ambient light sensor, optical heart sensor 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 Distance, calories burned, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level
Goal Setting Yes Yes
Features Fitness test, Bluetooth Smart technology, inactivity alert, GPS via mobile, guided breathing session, Nightly Recharge recovery measurement, FitSpark training guide Camera remote control, find phone function, automatic exercise recognition, music playback control, weather information, PAI Health Assessment System
Notifications Calendar, SMS, Email 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 Polar Unite Amazfit GTR 3 Pro
Wireless Interface Bluetooth Wi-Fi, Bluetooth 5.0
Connectors USB -
DISPLAY Polar Unite Amazfit GTR 3 Pro
Type IPS - colour AMOLED - colour
Resolution 240 x 204 pixels 480 x 480 pixels
Screen Size - 1.45"
Aspect Ratio - Full circle
Pixel Density - 331 ppi
Screen Protection - Tempered glass
INPUT DEVICE Polar Unite Amazfit GTR 3 Pro
Type Touch sensitive screen Touch sensitive screen, push button
CASE Polar Unite Amazfit GTR 3 Pro
Case Shape Round Round
Crown Type - Classic crown
BAND Polar Unite Amazfit GTR 3 Pro
Band Type Band Strap
Band Size S/L -
Band Width 20 mm 22 mm
Fits Wrist with Circumference 130-210 mm 155-218 mm
Changeable Yes Yes
Clasp Type Snap & slip Buckle
Band Material Silicone Leather
Band Colour Black | Blue | Pink | White Brown | Infinite black
BATTERY Polar Unite Amazfit GTR 3 Pro
Technology Lithium polymer -
Capacity 174 mAh 450 mAh
Battery Life Details Watch mode + HR - up to 4 days
Training mode + HR - up to 50 hour(s)
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 Yes
Recharge Time - 2 hour(s)
MISCELLANEOUS Polar Unite Amazfit GTR 3 Pro
Included Accessories Charging/data cable Magnetic charging stand
Preloaded Software Polar Fitness Test, Polar Flow Zepp App
Max Depth of Water Resistance 30 m 50 m
Max Operating Temperature 50 °C -
Min Operating Temperature -10 °C -
Warranty 2-year warranty 2-year warranty
Other projects: