Huawei Watch vs. Polar M400 vs. Apple Watch Series 2 vs. Huawei Band 3 Pro vs. Amazfit GTR

 
Watch
M400
Watch Series 2
Band 3 Pro
GTR
 HuaweiWatchRemove Buy NowPolarM400Remove Buy NowAppleWatch Series 2Remove Buy NowHuaweiBand 3 ProRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$349$200$269$70$199
Release20152014201620182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a8 hours to 30 days18 hours12 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400n/a340 x 272 or 390 x 312454 x 454454 x 454
Size1.4 inchesn/a1.5 inches or 1.65 inches1.39 inches1.39 inches
Touch
TypeAMOLEDn/aAMOLEDAMOLEDAMOLED

Functions

Audio Speakern/aAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a3 ATM5ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWatch OSAMAZFIT OSBuild-in
Apps
Musicn/a

All Wearables