Polar M600 vs. Withings Steel HR vs. Garmin Vivosmart HR vs. Xiaomi Mi Band 2 vs. Garmin Vivosmart 4

 
M600
Steel HR
Vivosmart HR
Mi Band 2
Vivosmart 4
 PolarM600Remove Buy NowWithingsSteel HRRemove Buy NowGarminVivosmart HRRemove Buy NowXiaomiMi Band 2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$330$180$170$23$130
Release20162016201520162018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Stepsn/a
Swim

Battery

Duration2 days25 days5 days20 hours7 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

Color
Resolution240 x 240n/a160 x 68n/a48 x 128
Size1.3 inchesn/a1.08 inches0.42 inches0.74 inches
Touchn/a
TypeTFTn/an/aOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/an/a
Apps
Music

All Wearables