Polar M600 vs. Fitbit Alta vs. Apple Watch Series 2 vs. Garmin 645 Music vs. Sony SmartBand

 
M600
Alta
Watch Series 2
645 Music
SmartBand
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowGarmin645 MusicRemove Buy NowSonySmartBandRemove Buy Now

Basic Info

Suggested Price$330$130$269$450$100
Release20162016201620182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days18 hours7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution240 x 240n/a340 x 272 or 390 x 312240 x 240NA
Size1.3 inchesn/a1.5 inches or 1.65 inches1.2 inchesNA
Touchn/an/aNA
TypeTFTOLEDAMOLEDMIPNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a5ATM5 ATMIP58

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aWatch OSNA
Apps
Music

All Wearables