Fitbit Alta vs. Fitbit Charge 2 vs. Apple Watch Series 2 vs. Garmin 645 Music vs. Garmin Forerunner 235

 
Alta
Charge 2
Watch Series 2
645 Music
Forerunner 235
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowAppleWatch Series 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy Now

Basic Info

Suggested Price$130$150$269$450$299.99
Release20162016201620182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days18 hours7 days9 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 312240 x 240215 x 180
Sizen/an/a1.5 inches or 1.65 inches1.2 inches1.23 inches
Touchn/an/a
TypeOLEDOLEDAMOLEDMIPMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/an/a5ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatch OS
Apps
Music

All Wearables