Fitbit Surge vs. Polar V800 vs. Moov Now vs. Xiaomi Mi Band 2 vs. Xiaomi Mi Band 4

 
Surge
V800
Now
Mi Band 2
Mi Band 4
 FitbitSurgeRemove Buy NowPolarV800Remove Buy NowMoovNowRemove Buy NowXiaomiMi Band 2Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$250$470$79$23$25
Release20162014201520162019

Activity & Fitness

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

Battery

Duration7 days13 hours to 30 days6 months20 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/an/a120x240
Size1.26 inchesn/an/a0.42 inches0.95 inches
Touchn/a
TypeMonochrome LCDn/an/aOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATM3 ATMn/aIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/an/aAMAZFIT OS
Apps
Music

All Wearables