Fitbit One vs. Microsoft Band 2 vs. Casio G-Shock GBA800 vs. Garmin Forerunner 235 vs. Amazfit T-Rex

 
One
Band 2
G-Shock GBA800
Forerunner 235
T-Rex
 FitbitOneRemove Buy NowMicrosoftBand 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarminForerunner 235Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$250$120$299.99$140
Release20122015201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days48 hours (without GPS)2 years9 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 128215 x 180360 x 360
Sizen/a1.36 inches1.23 inches1.3 inches
Touch
TypeOLEDCapacitative TFTMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantIPX720 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuild-in
Apps
Music

All Wearables