Microsoft Band 2 vs. Misfit Ray vs. Casio WSD-F20A vs. Polar A370 vs. Apple Watch Series 4

 
Band 2
Ray
WSD-F20A
A370
Watch Series 4
 MicrosoftBand 2Remove Buy NowMisfitRayRemove Buy NowCasioWSD-F20ARemove Buy NowPolarA370Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$250$100$399$179.95$329
Release20152016201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours (without GPS)6 months1 dayUp to 3 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution320 x 128n/a320 x 320160 x 80384 x 480
Size1.36 inchesn/a1.32 inches1.18 inches1.78 inches
Touchn/a
TypeCapacitative TFTLEDLCDTFT LCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM5 ATMWR30Not Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSWatch OS 5
Apps
Music

All Wearables