Withings Steel HR vs. ASUS ZenWatch 3 vs. Amazfit Stratos vs. Fitbit Charge vs. Amazfit T-Rex

 
Steel HR
ZenWatch 3
Stratos
Charge
T-Rex
 WithingsSteel HRRemove Buy NowASUSZenWatch 3Remove Buy NowAmazfitStratosRemove Buy NowFitbitChargeRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$180$229$199$130$140
Release20162017201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration25 days48 hours5 days7-10 days20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400320 x 300NA360 x 360
Sizen/a1.39 inches1.34 inchesNA1.3 inches
TouchNA
Typen/aAMOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2ProprietaryNABuild-in
Apps
Music

All Wearables