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

 
SmartWatch 3
Flex 2
Alta HR
Vivofit 4
Loop
 SonySmartWatch 3Remove Buy NowFitbitFlex 2Remove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$250$100$150$79.95$100
Release20142016201720182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days7 days1 year5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution320 x 320n/a128 x 3688 x 88NA
Size1.6 inchesn/a1.4 inchesNANA
Touchn/a
TypeTFT LCDLEDOLEDNALED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNA
Apps
Music

All Wearables