Polar M600 vs. TomTom Spark vs. TomTom Touch vs. Garmin 645 Music vs. Xiaomi Mi Band 4

 
M600
Spark
Touch
645 Music
Mi Band 4
 PolarM600Remove Buy NowTomTomSparkRemove Buy NowTomTomTouchRemove Buy NowGarmin645 MusicRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$330$150$130$450$25
Release20162015201620182019

Activity & Fitness

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

Battery

Duration2 daysn/a5 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/an/a240 x 240120x240
Size1.3 inchesn/a0.91 inches1.2 inches0.95 inches
Touchn/a
TypeTFTLCDn/aMIPAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clockn/a
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATMIPX75 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aAMAZFIT OS
Apps
Music

All Wearables