Polar M600 vs. Polar V800 vs. Samsung Gear S2 vs. Garmin 645 Music vs. Fitbit Alta HR

 
M600
V800
Gear S2
645 Music
Alta HR
 PolarM600Remove Buy NowPolarV800Remove Buy NowSamsungGear S2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$330$470$300$450$150
Release20162014201520182017

Activity & Fitness

Calories
Cycling (Bicycling)n/a
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days13 hours to 30 days2-3 days7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a360 x 360240 x 240128 x 36
Size1.3 inchesn/a1.2 inches1.2 inches1.4 inches
Touchn/a
TypeTFTn/aSuper AMOLEDMIPOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX83 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aTizen
Apps
Music

All Wearables