Polar M400 vs. Microsoft Band 2 vs. Polar A370 vs. Xiaomi Mi Band vs. Mobvoi TicWatch e2

 
M400
Band 2
A370
Mi Band
TicWatch e2
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowPolarA370Remove Buy NowXiaomiMi BandRemove Buy NowMobvoiTicWatch e2Remove Buy Now

Basic Info

Suggested Price$200$250$179.95$15$200
Release20142015201720152019

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)Up to 3 days30 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a320 x 128160 x 80NA360 x 360
Sizen/a1.36 inches1.18 inchesNA1.2 inches
TouchNA
Typen/aCapacitative TFTTFT LCDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX7WR30IP67IP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWear OS
Apps
Music

All Wearables