Fitbit Ionic vs. Asus ZenWatch vs. Mobvoi TicWatch S2 vs. Amazfit T-Rex vs. Garmin VivoActive 4

 
Ionic
ZenWatch
TicWatch S2
T-Rex
VivoActive 4
 FitbitIonicRemove Buy NowAsusZenWatchRemove Buy NowMobvoiTicWatch S2Remove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$299$150$180$140$349
Release20172014201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ daysNA2 DAYS20 days8 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 320400 x 400360 x 360260 x 260
Size1.421.63 inches1.39 inches1.3 inches1.3ionches
Touch
TypeOLEDAMOLEDOLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIP555 ATM5 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemFitbit OSAndroid WearWear OSBuild-inWear OS
Apps
Music

All Wearables