Polar M600 vs. Sony SmartBand 2 vs. Garmin Forerunner 935 vs. Asus ZenWatch vs. Fitbit Flex

 
M600
SmartBand 2
Forerunner 935
ZenWatch
Flex
 PolarM600Remove Buy NowSonySmartBand 2Remove Buy NowGarminForerunner 935Remove Buy NowAsusZenWatchRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$330$130$500$150$100
Release20162015201720142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days2 daysUp to 2 weeksNA5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a240 x 240320 x 320NA
Size1.3 inchesn/a1.2 inches1.63 inchesNA
Touchn/an/aNA
TypeTFTn/aLCDAMOLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP585 ATMIP551 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid Wearn/aAndroid WearNA
Apps
Music

All Wearables