Huawei Watch vs. Polar M400 vs. Microsoft Band 2 vs. Garmin 645 Music vs. Apple Watch Series 4

 
Watch
M400
Band 2
645 Music
Watch Series 4
 HuaweiWatchRemove Buy NowPolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowGarmin645 MusicRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$349$200$250$450$329
Release20152014201520182018

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 days48 hours (without GPS)7 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400n/a320 x 128240 x 240384 x 480
Size1.4 inchesn/a1.36 inches1.2 inches1.78 inches
Touch
TypeAMOLEDn/aCapacitative TFTMIPMicroLED

Functions

Audio Speakern/aAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a3 ATMIPX75 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aWatch OS 5
Apps
Musicn/a

All Wearables