Fitbit Blaze vs. Polar M400 vs. Polar Loop 2 vs. Acer Liquid Leap vs. Xiaomi Mi Band 4

 
Blaze
M400
Loop 2
Liquid Leap
Mi Band 4
 FitbitBlazeRemove Buy NowPolarM400Remove Buy NowPolarLoop 2Remove Buy NowAcerLiquid LeapRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$200$200$120$90$25
Release20162014201520152019

Activity & Fitness

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

Battery

Duration5 Days8 hours to 30 days8 days (without notifications)5 to 7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a128 x 32120x240
Sizen/an/an/a1 inch0.95 inches
Touch
TypeLCDn/aLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a3 ATM2 ATMIPX45 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAMAZFIT OS
Apps
Music

All Wearables