Fitbit Ionic vs. Asus VivoWatch vs. Garmin 645 Music vs. Samsung Gear 2 vs. Garmin Vivofit 4

 
Ionic
VivoWatch
645 Music
Gear 2
Vivofit 4
 FitbitIonicRemove Buy NowAsusVivoWatchRemove Buy NowGarmin645 MusicRemove Buy NowSamsungGear 2Remove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$299$160$450$300$79.95
Release20172018201820142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration4+ days24 hours to 10 days7 days2-3 days1 year
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250128 x 128240 x 240320 x 32088 x 88
Size1.42NA1.2 inches1.63 inchesNA
Touch
TypeOLEDNAMIPSuper AMOLEDNA

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance50mIP675 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSKoodOSTizen OS
Apps
Music

All Wearables