Pebble Time vs. Polar M400 vs. Apple Watch Series 2 vs. Casio WSD-F20A vs. Apple Watch 8

 
Time
M400
Watch Series 2
WSD-F20A
Watch 8
 PebbleTimeRemove Buy NowPolarM400Remove Buy NowAppleWatch Series 2Remove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$150$200$269$399$499
Release20152014201620182022

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days18 hours1 day18 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a340 x 272 or 390 x 312320 x 320340 x 272 or 390 x 312
Size1.26 inchesn/a1.5 inches or 1.65 inches1.32 inches1.5 inches or 1.65 inches
Touch
Typee-papern/aAMOLEDLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aWatch OSWear OSWatchOS 9
Apps
Music

All Wearables