Garmin Fenix 3 vs. Sony SmartWatch 3 vs. Misfit Flash Link vs. Garmin 645 Music vs. Amazfit T-Rex

 
Fenix 3
SmartWatch 3
Flash Link
645 Music
T-Rex
 GarminFenix 3Remove Buy NowSonySmartWatch 3Remove Buy NowMisfitFlash LinkRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$500$250$20$450$140
Release20152014201520182019

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks2 days6 months7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution218 x 218320 x 320n/a240 x 240360 x 360
Size1.2 inches1.6 inchesn/a1.2 inches1.3 inches
Touchn/a
TypeChroma LEDTFT LCDn/aMIPAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATMIP683 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aBuild-in
Apps
Music

All Wearables