Polar M600 vs. Sony SmartWatch 3 vs. Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Garmin Forerunner 45

 
M600
SmartWatch 3
Flex 2
Vivosmart HR
Forerunner 45
 PolarM600Remove Buy NowSonySmartWatch 3Remove Buy NowFitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$330$250$100$170$199
Release20162014201620152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days2 days5 days5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240320 x 320n/a160 x 68208 x 208
Size1.3 inches1.6 inchesn/a1.08 inches1.04 inches
Touchn/an/a
TypeTFTTFT LCDLEDn/aLCD

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP685 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid Wearn/an/aBuilt-in
Apps
Music

All Wearables