TomTom Spark vs. Misfit Flash Link vs. Polar Loop 2 vs. Garmin 645 Music vs. Garmin Forerunner 45

 
Spark
Flash Link
Loop 2
645 Music
Forerunner 45
 TomTomSparkRemove Buy NowMisfitFlash LinkRemove Buy NowPolarLoop 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$150$20$120$450$199
Release20152015201520182019

Activity & Fitness

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

Battery

Durationn/a6 months8 days (without notifications)7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/a240 x 240208 x 208
Sizen/an/an/a1.2 inches1.04 inches
Touchn/a
TypeLCDn/aLEDMIPLCD

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM2 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aBuilt-in
Apps
Music

All Wearables