Polar M400 vs. Samsung Gear S vs. Huawei Talkband B2 vs. Misfit Flash Link vs. Casio WSD-F20A

 
M400
Gear S
Talkband B2
Flash Link
WSD-F20A
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowHuaweiTalkband B2Remove Buy NowMisfitFlash LinkRemove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$200$250$180$20$399
Release20142013201520152018

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a3 days6 months1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a480 x 360128 x 88n/a320 x 320
Sizen/a2 inches0.73 inchesn/a1.32 inches
Touchn/a
Typen/aSuper AMOLEDPMOLEDn/aLCD

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP67IP573 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenn/an/aWear OS
Apps
Music

All Wearables