Pebble Time Round vs. Polar M600 vs. Fitbit Charge 2 vs. Amazfit Stratos vs. Amazfit T-Rex

 
Time Round
M600
Charge 2
Stratos
T-Rex
 PebbleTime RoundRemove Buy NowPolarM600Remove Buy NowFitbitCharge 2Remove Buy NowAmazfitStratosRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$330$150$199$140
Release20152016201620182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days2 days5 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240n/a320 x 300360 x 360
Sizeround1.3 inchesn/a1.34 inches1.3 inches
Touchn/an/a
Typee-paperTFTOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7IPX8n/a5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid Wearn/aProprietaryBuild-in
Apps
Music

All Wearables