Fitbit Alta vs. Fitbit Flex 2 vs. LG Watch Sport vs. Garmin 645 Music vs. Garmin Forerunner 45

 
Alta
Flex 2
Watch Sport
645 Music
Forerunner 45
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowLGWatch SportRemove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$130$100$349$450$199
Release20162016201620182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1.45 days7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a480 x 480240 x 240208 x 208
Sizen/an/a1.38 inches1.2 inches1.04 inches
Touchn/an/a
TypeOLEDLEDP-OLEDMIPLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP685 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2Built-in
Apps
Music

All Wearables