Fitbit Alta vs. Casio G-Shock GBA800 vs. Garmin Forerunner 235 vs. Amazfit T-Rex vs. Garmin VivoActive 4

 
Alta
G-Shock GBA800
Forerunner 235
T-Rex
VivoActive 4
 FitbitAltaRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarminForerunner 235Remove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$130$120$299.99$140$349
Release20162018201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 years9 days20 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a215 x 180360 x 360260 x 260
Sizen/a1.23 inches1.3 inches1.3ionches
Touchn/a
TypeOLEDMIPAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aBuild-inWear OS
Apps
Music

All Wearables