Fitbit One vs. Huawei Watch 2 vs. Casio WSD-F20A vs. Fitbit Versa 2 vs. Amazfit T-Rex

 
One
Watch 2
WSD-F20A
Versa 2
T-Rex
 FitbitOneRemove Buy NowHuaweiWatch 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitVersa 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$350$399$199$140
Release20122017201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days48 hours1 day5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 480320 x 320300 x 300360 x 360
Sizen/a1.38 inches1.32 inches1.34 inches1.3 inches
Touch
TypeOLEDP-OLEDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantIP685 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Wear OSBuild-inBuild-in
Apps
Music

All Wearables