ASUS ZenWatch 2 vs. Fitbit Alta vs. Jawbone UP2 vs. Amazfit T-Rex vs. Apple Series 6

 
ZenWatch 2
Alta
UP2
T-Rex
Series 6
 ASUSZenWatch 2Remove Buy NowFitbitAltaRemove Buy NowJawboneUP2Remove Buy NowAmazfitT-RexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$130$100$140$399
Release20162016201520192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days7 days20 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/aNA360 x 360384 x 480
Size1.63 inches or 1.45 inchn/aNA1.3 inches40mm
Touchn/aNA
TypeAMOLEDOLEDNAAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIP67n/aSplash resistant5 ATM

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid Wearn/aNABuild-inWatchOS 5
Apps
Music

All Wearables