Fitbit Surge vs. Fitbit Charge 2 vs. ASUS ZenWatch 3 vs. Fitbit Charge HR vs. Amazfit T-Rex

 
Surge
Charge 2
ZenWatch 3
Charge HR
T-Rex
 FitbitSurgeRemove Buy NowFitbitCharge 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitCharge HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$150$229$150$140
Release20162016201720152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days48 hours5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a400 x 400NA360 x 360
Size1.26 inchesn/a1.39 inchesNA1.3 inches
Touchn/aNA
TypeMonochrome LCDOLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2NABuild-in
Apps
Music

All Wearables