Sony SmartWatch 3 vs. Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Polar Loop 2 vs. Garmin Vivosmart 4

 
SmartWatch 3
Flex 2
Vivosmart HR
Loop 2
Vivosmart 4
 SonySmartWatch 3Remove Buy NowFitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowPolarLoop 2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$250$100$170$120$130
Release20142016201520152018

Activity & Fitness

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

Battery

Duration2 days5 days5 days8 days (without notifications)7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution320 x 320n/a160 x 68n/a48 x 128
Size1.6 inchesn/a1.08 inchesn/a0.74 inches
Touchn/a
TypeTFT LCDLEDn/aLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/an/a
Apps
Music

All Wearables