Fitbit Surge vs. Polar V800 vs. Fitbit Flex 2 vs. Withings Go vs. Xiaomi Mi Band 4

 
Surge
V800
Flex 2
Go
Mi Band 4
 FitbitSurgeRemove Buy NowPolarV800Remove Buy NowFitbitFlex 2Remove Buy NowWithingsGoRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$250$470$100$80$25
Release20162014201620162019

Activity & Fitness

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

Battery

Duration7 days13 hours to 30 days5 days8 months20 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/an/an/a
Macn/a
Windowsn/a

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/an/a120x240
Size1.26 inchesn/an/an/a0.95 inches
Touchn/an/a
TypeMonochrome LCDn/aLEDE-InkAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/an/aAMAZFIT OS
Appsn/a
Music

All Wearables