Fitbit Charge 2 vs. ASUS ZenWatch 3 vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. Amazfit GTS

 
Charge 2
ZenWatch 3
645 Music
Forerunner 235
GTS
 FitbitCharge 2Remove Buy NowASUSZenWatch 3Remove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$150$229$450$299.99$150
Release20162017201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours7 days9 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400240 x 240215 x 180348 x 442
Sizen/a1.39 inches1.2 inches1.23 inches1.65 inches
Touchn/a
TypeOLEDAMOLEDMIPMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Wear OS
Apps
Music

All Wearables