ASUS ZenWatch 2 vs. Amazfit Stratos vs. Garmin Forerunner 235 vs. Fitbit Alta HR vs. Xiaomi Mi Band 4

 
ZenWatch 2
Stratos
Forerunner 235
Alta HR
Mi Band 4
 ASUSZenWatch 2Remove Buy NowAmazfitStratosRemove Buy NowGarminForerunner 235Remove Buy NowFitbitAlta HRRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$150$199$299.99$150$25
Release20162018201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days9 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320320 x 300215 x 180128 x 36120x240
Size1.63 inches or 1.45 inch1.34 inches1.23 inches1.4 inches0.95 inches
Touch
TypeAMOLEDOLEDMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearProprietaryAMAZFIT OS
Apps
Music

All Wearables