Fitbit Alta vs. Fitbit Charge 2 vs. Garmin Forerunner 935 vs. Asus ZenWatch vs. Amazfit GTS

 
Alta
Charge 2
Forerunner 935
ZenWatch
GTS
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowGarminForerunner 935Remove Buy NowAsusZenWatchRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$130$150$500$150$150
Release20162016201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 daysUp to 2 weeksNA14 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240320 x 320348 x 442
Sizen/an/a1.2 inches1.63 inches1.65 inches
Touchn/an/a
TypeOLEDOLEDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/an/a5 ATMIP555 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/aAndroid WearWear OS
Apps
Music

All Wearables