ASUS ZenWatch 2 vs. TomTom Spark vs. Withings Go vs. Fitbit Alta HR vs. Amazfit T-Rex

 
ZenWatch 2
Spark
Go
Alta HR
T-Rex
 ASUSZenWatch 2Remove Buy NowTomTomSparkRemove Buy NowWithingsGoRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$150$80$150$140
Release20162015201620172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Durationn/an/a8 months7 days20 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolution320 x 320n/an/a128 x 36360 x 360
Size1.63 inches or 1.45 inchn/an/a1.4 inches1.3 inches
Touchn/a
TypeAMOLEDLCDE-InkOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/an/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM5 ATM

Notifications

Phonen/an/a
Emailsn/an/an/a
Textsn/an/an/a

Software

Operating SystemAndroid Wearn/an/aBuild-in
Appsn/a
Music

All Wearables