Fitbit One vs. Fossil Q Dreamer vs. ASUS ZenWatch 3 vs. Casio WSD-F20A vs. Amazfit T-Rex

 
One
Q Dreamer
ZenWatch 3
WSD-F20A
T-Rex
 FitbitOneRemove Buy NowFossilQ DreamerRemove Buy NowASUSZenWatch 3Remove Buy NowCasioWSD-F20ARemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$125$229$399$140
Release20122015201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days7 days48 hours1 day20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 400320 x 320360 x 360
Sizen/an/a1.39 inches1.32 inches1.3 inches
Touchn/a
TypeOLEDn/aAMOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables