Sony SmartWatch 3 vs. Fitbit Flex 2 vs. Fitbit Flex vs. Polar A370 vs. Garmin Vivosmart 4

 
SmartWatch 3
Flex 2
Flex
A370
Vivosmart 4
 SonySmartWatch 3Remove Buy NowFitbitFlex 2Remove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$250$100$100$179.95$130
Release20142016201320172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days5 daysUp to 3 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution320 x 320n/aNA160 x 8048 x 128
Size1.6 inchesn/aNA1.18 inches0.74 inches
Touchn/aNA
TypeTFT LCDLEDLEDTFT LCDOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM1 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNA
Apps
Music

All Wearables