Fitbit Alta vs. Garmin Vivosmart HR vs. Apple Watch Series 2 vs. Asus ZenWatch vs. Apple Series 6

 
Alta
Vivosmart HR
Watch Series 2
ZenWatch
Series 6
 FitbitAltaRemove Buy NowGarminVivosmart HRRemove Buy NowAppleWatch Series 2Remove Buy NowAsusZenWatchRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$170$269$150$399
Release20162015201620142020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days18 hoursNANot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68340 x 272 or 390 x 312320 x 320384 x 480
Sizen/a1.08 inches1.5 inches or 1.65 inches1.63 inches40mm
Touchn/a
TypeOLEDn/aAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATM5ATMIP55

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/aWatch OSAndroid WearWatchOS 5
Apps
Music

All Wearables