Huawei Watch 2 vs. Amazfit Stratos vs. Fitbit Alta HR vs. Polar A370 vs. Amazfit T-Rex

 
Watch 2
Stratos
Alta HR
A370
T-Rex
 HuaweiWatch 2Remove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$350$199$150$179.95$140
Release20172018201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours5 days7 daysUp to 3 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 480320 x 300128 x 36160 x 80360 x 360
Size1.38 inches1.34 inches1.4 inches1.18 inches1.3 inches
Touch
TypeP-OLEDOLEDOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2ProprietaryBuild-in
Apps
Music

All Wearables