Garmin 645 Music vs. Motorola Moto 360 (1st Gen) vs. Samsung Galaxy Watch vs. LG G Watch R vs. Amazfit T-Rex

 
645 Music
Moto 360 (1st Gen)
Galaxy Watch
G Watch R
T-Rex
 Garmin645 MusicRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowSamsungGalaxy WatchRemove Buy NowLGG Watch RRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$450$150$330$300$140
Release20182014201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days1 day7 days2 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNAn/a
MacNAn/a
WindowsNAn/a

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240320 x 260360 x 360320 x 320360 x 360
Size1.2 inches1.56 inches1.2 inches or 1.3 inches1.3 inches1.3 inches
Touch
TypeMIPLCDAMOLEDP-OLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearTizen OSAndroid WearBuild-in
Apps
MusicNASpotify

All Wearables