Motorola Moto 360 (2nd Gen) vs. Samsung Gear S3 vs. Garmin 645 Music vs. Jaybird Reign vs. Amazfit T-Rex

 
Moto 360 (2nd Gen)
Gear S3
645 Music
Reign
T-Rex
 MotorolaMoto 360 (2nd Gen)Remove Buy NowSamsungGear S3Remove Buy NowGarmin645 MusicRemove Buy NowJaybirdReignRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$350$450$150$140
Release20152016201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleepn/a
Steps
Swim

Battery

Duration1.5 days4 days7 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330360 x 360240 x 240NA360 x 360
Size1.37 inches or 1.56 inches1.3 inches1.2 inchesNA1.3 inches
TouchNA
TypeLCDFullcolor AODMIPLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP685 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearTizenNABuild-in
Apps
Musicn/a

All Wearables