Sony SmartWatch 3 vs. Fitbit Flex 2 vs. Misfit Flash Link vs. Polar Loop 2 vs. Xiaomi Mi Band 4

 
SmartWatch 3
Flex 2
Flash Link
Loop 2
Mi Band 4
 SonySmartWatch 3Remove Buy NowFitbitFlex 2Remove Buy NowMisfitFlash LinkRemove Buy NowPolarLoop 2Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$250$100$20$120$25
Release20142016201520152019

Activity & Fitness

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

Battery

Duration2 days5 days6 months8 days (without notifications)20 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/an/a
Resolution320 x 320n/an/an/a120x240
Size1.6 inchesn/an/an/a0.95 inches
Touchn/an/a
TypeTFT LCDLEDn/aLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM3 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/an/aAMAZFIT OS
Apps
Music

All Wearables