Sony SmartWatch 3 vs. Polar Loop 2 vs. Garmin Chronos vs. Xiaomi Mi Band 4

 
SmartWatch 3
Loop 2
Chronos
Mi Band 4
 SonySmartWatch 3Remove Buy NowPolarLoop 2Remove Buy NowGarminChronosRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$250$120$1500$25
Release2014201520182019

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)8 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a218 x 218120x240
Size1.6 inchesn/a1.2 inches0.95 inches
Touch
TypeTFT LCDLEDMIPAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP682 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWear OSAMAZFIT OS
Apps
Music

All Wearables