Pebble Steel vs. Pebble Time Round vs. Amazfit Stratos vs. Diesel On Full Guard vs. Fitbit Charge 3

 
Steel
Time Round
Stratos
On Full Guard
Charge 3
 PebbleSteelRemove Buy NowPebbleTime RoundRemove Buy NowAmazfitStratosRemove Buy NowDieselOn Full GuardRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$150$200$199$325$150
Release20142015201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days2 days5 days1 day7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution168 x 144n/a320 x 300454 x 45466 x 18
Size1.26 inchesround1.34 inches1.4 inches.721 inches
Touch
Typee-papere-paperOLEDOMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX75 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSPebble OSProprietaryAndroid Wear 2.0NA
Apps
Music

All Wearables