Fitbit Alta vs. Asus ZenWatch vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. Fitbit Flex

 
Alta
ZenWatch
G-Shock GBA800
645 Music
Flex
 FitbitAltaRemove Buy NowAsusZenWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$130$150$120$450$100
Release20162014201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA2 years7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320240 x 240NA
Sizen/a1.63 inches1.2 inchesNA
Touchn/aNA
TypeOLEDAMOLEDMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP5520 ATM5 ATM1 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/aAndroid WearNA
Apps
Music

All Wearables