Fitbit Alta vs. Fitbit One vs. Asus ZenWatch vs. Garmin 645 Music vs. Amazfit GTS

 
Alta
One
ZenWatch
645 Music
GTS
 FitbitAltaRemove Buy NowFitbitOneRemove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$130$100$150$450$150
Release20162012201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 daysNA7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320240 x 240348 x 442
Sizen/an/a1.63 inches1.2 inches1.65 inches
Touchn/a
TypeOLEDOLEDAMOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplast ResistantIP555 ATM5 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/aAndroid WearWear OS
Apps
Music

All Wearables