Fitbit Alta vs. Casio G-Shock GBA800 vs. Garmin Vivofit 4 vs. LG G Watch R vs. Amazfit T-Rex

 
Alta
G-Shock GBA800
Vivofit 4
G Watch R
T-Rex
 FitbitAltaRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarminVivofit 4Remove Buy NowLGG Watch RRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$120$79.95$300$140
Release20162018201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 years1 year2 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a88 x 88320 x 320360 x 360
Sizen/aNA1.3 inches1.3 inches
Touchn/a
TypeOLEDNAP-OLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a20 ATM5 ATMIP675 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid WearBuild-in
Apps
Music

All Wearables