Polar M400 vs. Microsoft Band 2 vs. Sony SmartBand Talk vs. Mobvoi TicWatch S2 vs. Garmin Vivosmart 4

 
M400
Band 2
SmartBand Talk
TicWatch S2
Vivosmart 4
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowSonySmartBand TalkRemove Buy NowMobvoiTicWatch S2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$250$170$180$130
Release20142015201420192018

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)3 days2 DAYS7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 128296 x 128400 x 40048 x 128
Sizen/a1.36 inches1.4 inches1.39 inches0.74 inches
Touch
Typen/aCapacitative TFTE InkOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX7IP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearWear OS
Apps
Music

All Wearables