Fitbit Flex 2 vs. Sony SmartBand 2 vs. Garmin 645 Music vs. LG G Watch R vs. Amazfit GTR

 
Flex 2
SmartBand 2
645 Music
G Watch R
GTR
 FitbitFlex 2Remove Buy NowSonySmartBand 2Remove Buy NowGarmin645 MusicRemove Buy NowLGG Watch RRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$130$450$300$199
Release20162015201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 days7 days2 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/a240 x 240320 x 320454 x 454
Sizen/an/a1.2 inches1.3 inches1.39 inches
Touchn/an/a
TypeLEDn/aMIPP-OLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
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