Polar V800 vs. Polar Loop 2 vs. Garmin Forerunner 935 vs. Sony SmartBand vs. Xiaomi Mi Band 4

 
V800
Loop 2
Forerunner 935
SmartBand
Mi Band 4
 PolarV800Remove Buy NowPolarLoop 2Remove Buy NowGarminForerunner 935Remove Buy NowSonySmartBandRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$470$120$500$100$25
Release20142015201720142019

Activity & Fitness

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

Battery

Duration13 hours to 30 days8 days (without notifications)Up to 2 weeks5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/an/a240 x 240NA120x240
Sizen/an/a1.2 inchesNA0.95 inches
TouchNA
Typen/aLEDLCDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATM5 ATMIP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAAMAZFIT OS
Apps
Music

All Wearables