Polar M600 vs. Sony SmartBand 2 vs. Amazfit Bip vs. Casio WSD-F20A vs. Apple Watch Series 4

 
M600
SmartBand 2
Bip
WSD-F20A
Watch Series 4
 PolarM600Remove Buy NowSonySmartBand 2Remove Buy NowAmazfitBipRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$330$130$99.99$399$329
Release20162015201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days2 days30 days1 dayNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a176 x 176320 x 320384 x 480
Size1.3 inchesn/a1.28 inches1.32 inches1.78 inches
Touchn/an/a
TypeTFTn/aNALCDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP58IP685 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWear OSWatch OS 5
Apps
Music

All Wearables