Sony SmartBand 2 vs. Fitbit Charge vs. Garmin Vivosmart 3 vs. Polar Loop vs. Xiaomi Mi Band 4

 
SmartBand 2
Charge
Vivosmart 3
Loop
Mi Band 4
 SonySmartBand 2Remove Buy NowFitbitChargeRemove Buy NowGarminVivosmart 3Remove Buy NowPolarLoopRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$130$130$139.99$100$25
Release20152014201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days7-10 days5 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNA64 x 128NA120x240
Sizen/aNANANA0.95 inches
Touchn/aNA
Typen/aOLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP581 ATM5 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANAAMAZFIT OS
Apps
Music

All Wearables