Pebble Time vs. Polar M600 vs. Amazfit Stratos vs. Fitbit Charge 3 vs. Amazfit T-Rex

 
Time
M600
Stratos
Charge 3
T-Rex
 PebbleTimeRemove Buy NowPolarM600Remove Buy NowAmazfitStratosRemove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$330$199$150$140
Release20152016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2 days5 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution168 x 144240 x 240320 x 30066 x 18360 x 360
Size1.26 inches1.3 inches1.34 inches.721 inches1.3 inches
Touchn/a
Typee-paperTFTOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX85 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid WearProprietaryNABuild-in
Apps
Music

All Wearables