ASUS ZenWatch 2 vs. Fitbit Alta vs. Apple Watch Series 2 vs. Fitbit Charge HR vs. Apple SE

 
ZenWatch 2
Alta
Watch Series 2
Charge HR
SE
 ASUSZenWatch 2Remove Buy NowFitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowFitbitCharge HRRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$150$130$269$150$279
Release20162016201620152020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days18 hours5 days18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a340 x 272 or 390 x 312NA384 x 480
Size1.63 inches or 1.45 inchn/a1.5 inches or 1.65 inchesNA40mm
Touchn/aNA
TypeAMOLEDOLEDAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water ResistanceIP67n/a5ATM1 ATM

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid Wearn/aWatch OSNAWatchOS 5
Apps
Music

All Wearables