Pebble Steel vs. Garmin Vivosmart HR vs. ASUS ZenWatch 3 vs. Polar A370 vs. Amazfit T-Rex

 
Steel
Vivosmart HR
ZenWatch 3
A370
T-Rex
 PebbleSteelRemove Buy NowGarminVivosmart HRRemove Buy NowASUSZenWatch 3Remove Buy NowPolarA370Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$170$229$179.95$140
Release20142015201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days5 days48 hoursUp to 3 days20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144160 x 68400 x 400160 x 80360 x 360
Size1.26 inches1.08 inches1.39 inches1.18 inches1.3 inches
Touch
Typee-papern/aAMOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid Wear 2Build-in
Apps
Music

All Wearables