Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Casio G-Shock GBA800 vs. Diesel On Full Guard vs. Amazfit T-Rex

 
Flex 2
Vivosmart HR
G-Shock GBA800
On Full Guard
T-Rex
 FitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowCasioG-Shock GBA800Remove Buy NowDieselOn Full GuardRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$170$120$325$140
Release20162015201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days2 years1 day20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 68454 x 454360 x 360
Sizen/a1.08 inches1.4 inches1.3 inches
Touchn/a
TypeLEDn/aOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM20 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Build-in
Apps
Music

All Wearables