Polar M400 vs. Mobvoi TicWatch 2 vs. Amazfit Cor vs. Motorola Moto 360 (1st Gen) vs. Xiaomi Mi Band 4

 
M400
TicWatch 2
Cor
Moto 360 (1st Gen)
Mi Band 4
 PolarM400Remove Buy NowMobvoiTicWatch 2Remove Buy NowAmazfitCorRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$200$199$79.99$150$25
Release20142017201820142019

Activity & Fitness

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

Battery

Duration8 hours to 30 days1.5-2 Days12 days1 day20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 40080 x 160320 x 260120x240
Sizen/a1.4 inches1.23 inches1.56 inches0.95 inches
Touch
Typen/aOLEDIPS LCDLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP655 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTicwear OSAndroid WearAMAZFIT OS
Apps
MusicNA

All Wearables