Pebble Time vs. Polar M400 vs. Sony SmartBand 2 vs. Diesel On Full Guard 2.5 vs. Apple Watch 8

 
Time
M400
SmartBand 2
On Full Guard 2.5
Watch 8
 PebbleTimeRemove Buy NowPolarM400Remove Buy NowSonySmartBand 2Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$150$200$130$325$499
Release20152014201520182022

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days2 days4 days18 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/an/a454x454340 x 272 or 390 x 312
Size1.26 inchesn/an/a1.39 inches1.5 inches or 1.65 inches
Touchn/a
Typee-papern/an/aAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP583 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aWear OSWatchOS 9
Apps
Music

All Wearables