Sony SmartWatch 3 vs. Fitbit Charge 2 vs. Fitbit Flex vs. Polar A370 vs. Xiaomi Mi Band 3

 
SmartWatch 3
Charge 2
Flex
A370
Mi Band 3
 SonySmartWatch 3Remove Buy NowFitbitCharge 2Remove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowXiaomiMi Band 3Remove Buy Now

Basic Info

Suggested Price$250$150$100$179.95$44.95
Release20142016201320172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days5 daysUp to 3 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/aNA160 x 80128 x 80
Size1.6 inchesn/aNA1.18 inches0.78 inches
Touchn/aNA
TypeTFT LCDOLEDLEDTFT LCDOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/a1 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNA
Apps
Music

All Wearables