Fitbit One vs. Garmin Forerunner 935 vs. Casio WSD-F20A vs. LG G Watch R vs. Amazfit T-Rex

 
One
Forerunner 935
WSD-F20A
G Watch R
T-Rex
 FitbitOneRemove Buy NowGarminForerunner 935Remove Buy NowCasioWSD-F20ARemove Buy NowLGG Watch RRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$500$399$300$140
Release20122017201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 daysUp to 2 weeks1 day2 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240320 x 320320 x 320360 x 360
Sizen/a1.2 inches1.32 inches1.3 inches1.3 inches
Touch
TypeOLEDLCDLCDP-OLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid WearBuild-in
Apps
Music

All Wearables