ASUS ZenWatch 2 vs. Fitbit One vs. ASUS ZenWatch 3 vs. Garmin Fenix 5X vs. Amazfit T-Rex

 
ZenWatch 2
One
ZenWatch 3
Fenix 5X
T-Rex
 ASUSZenWatch 2Remove Buy NowFitbitOneRemove Buy NowASUSZenWatch 3Remove Buy NowGarminFenix 5XRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$100$229$699$140
Release20162012201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a10-14 days48 hoursUp to 12 days20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a400 x 400240 x240360 x 360
Size1.63 inches or 1.45 inchn/a1.39 inches1.2 inches1.3 inches
Touch
TypeAMOLEDOLEDAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67Splast Resistant10 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aAndroid Wear 2Build-in
Apps
Music

All Wearables