Pebble Classic vs. Polar M400 vs. Sony SmartWatch 3 vs. Garmin Fenix 5X vs. Amazfit T-Rex

 
Classic
M400
SmartWatch 3
Fenix 5X
T-Rex
 PebbleClassicRemove Buy NowPolarM400Remove Buy NowSonySmartWatch 3Remove Buy NowGarminFenix 5XRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$99$200$250$699$140
Release20132014201420172019

Activity & Fitness

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

Battery

Duration5-7 days8 hours to 30 days2 daysUp to 12 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a320 x 320240 x240360 x 360
Size1.26 inchesn/a1.6 inches1.2 inches1.3 inches
Touch
Typee-papern/aTFT LCDNAAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP6810 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid WearBuild-in
Apps
Music

All Wearables