Fitbit Alta vs. Polar Loop 2 vs. Garmin Forerunner 935 vs. Asus ZenWatch vs. Garmin VivoActive 4

 
Alta
Loop 2
Forerunner 935
ZenWatch
VivoActive 4
 FitbitAltaRemove Buy NowPolarLoop 2Remove Buy NowGarminForerunner 935Remove Buy NowAsusZenWatchRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$130$120$500$150$349
Release20162015201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days8 days (without notifications)Up to 2 weeksNA8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240320 x 320260 x 260
Sizen/an/a1.2 inches1.63 inches1.3ionches
Touchn/a
TypeOLEDLEDLCDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a2 ATM5 ATMIP555 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/aAndroid WearWear OS
Apps
Music

All Wearables