Garmin Vivofit 3 vs. Sony SmartBand 2 vs. Garmin 645 Music vs. Samsung Live vs. Amazfit T-Rex

 
Vivofit 3
SmartBand 2
645 Music
Live
T-Rex
 GarminVivofit 3Remove Buy NowSonySmartBand 2Remove Buy NowGarmin645 MusicRemove Buy NowSamsungLiveRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$130$450$200$140
Release20162015201820142019

Activity & Fitness

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

Battery

Duration1 year2 days7 days1 Day20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution64 x 64n/a240 x 240320 x 320360 x 360
Size0.55 inchesn/a1.2 inches1.63 inches1.3 inches
Touchn/a
Typen/an/aMIPSuper AMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
VibrationNA
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP585 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearBuild-in
Apps
Music

All Wearables