Polar M400 vs. Microsoft Band 2 vs. Sony SmartBand Talk vs. Amazfit Cor vs. Asus VivoWatch

 
M400
Band 2
SmartBand Talk
Cor
VivoWatch
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowSonySmartBand TalkRemove Buy NowAmazfitCorRemove Buy NowAsusVivoWatchRemove Buy Now

Basic Info

Suggested Price$200$250$170$79.99$160
Release20142015201420182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)3 days12 days24 hours to 10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 128296 x 12880 x 160128 x 128
Sizen/a1.36 inches1.4 inches1.23 inchesNA
Touch
Typen/aCapacitative TFTE InkIPS LCDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance3 ATMIPX7IP685 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearKoodOS
Apps
Music

All Wearables