ASUS ZenWatch 2 vs. Olio Model One vs. Fitbit Alta HR vs. Amazfit T-Rex vs. Garmin VivoActive 4

 
ZenWatch 2
Model One
Alta HR
T-Rex
VivoActive 4
 ASUSZenWatch 2Remove Buy NowOlioModel OneRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$150$595$150$140$349
Release20162015201720192019

Activity & Fitness

Caloriesn/a
Cycling (Bicycling)n/a
Distancen/a
Heartn/a
Oxygenn/a
Sleepn/a
Stepsn/a
Swimn/a

Battery

Durationn/a2 days7 days20 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPSn/a
NFCn/a
Wi-Fi

Display

Color
Resolution320 x 320n/a128 x 36360 x 360260 x 260
Size1.63 inches or 1.45 inchn/a1.4 inches1.3 inches1.3ionches
Touch
TypeAMOLEDn/aOLEDAMOLEDMIP

Functions

Audio Speakern/a
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometern/a
Barometer or Altimetern/a
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aBuild-inWear OS
Appsn/a
Music

All Wearables