Fitbit Alta vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. LG G Watch R vs. Amazfit T-Rex

 
Alta
ZenWatch 3
Ionic
G Watch R
T-Rex
 FitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowLGG Watch RRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$229$299$300$140
Release20162017201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours4+ days2 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400348x250320 x 320360 x 360
Sizen/a1.39 inches1.421.3 inches1.3 inches
Touchn/a
TypeOLEDAMOLEDOLEDP-OLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50mIP675 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2Fitbit OSAndroid WearBuild-in
Apps
Music

All Wearables