Polar V800 vs. Withings Activite Sapphire vs. Polar A360 vs. Garmin 645 Music vs. Fitbit Flex

 
V800
Activite Sapphire
A360
645 Music
Flex
 PolarV800Remove Buy NowWithingsActivite SapphireRemove Buy NowPolarA360Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$470$450$200$450$100
Release20142014201520182013

Activity & Fitness

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

Battery

Duration13 hours to 30 days8 months12 days7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a160 x 80240 x 240NA
Sizen/a1.3 inches1.18 inches1.2 inchesNA
TouchNA
Typen/aAnalogn/aMIPLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMWR305 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aNA
Apps
Music

All Wearables