Fitbit Alta vs. Fitbit Charge 2 vs. Sony SmartBand Talk vs. Garmin 645 Music vs. Amazfit GTR

 
Alta
Charge 2
SmartBand Talk
645 Music
GTR
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowSonySmartBand TalkRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$130$150$170$450$199
Release20162016201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days3 days7 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a296 x 128240 x 240454 x 454
Sizen/an/a1.4 inches1.2 inches1.39 inches
Touchn/an/a
TypeOLEDOLEDE InkMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/an/aIP685 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid WearBuild-in
Apps
Music

All Wearables