Polar M600 vs. Xiaomi Mi Band 2 vs. Garmin Forerunner 235 vs. Fitbit Alta HR vs. Garmin Vivosmart 4

 
M600
Mi Band 2
Forerunner 235
Alta HR
Vivosmart 4
 PolarM600Remove Buy NowXiaomiMi Band 2Remove Buy NowGarminForerunner 235Remove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$330$23$299.99$150$130
Release20162016201720172018

Activity & Fitness

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

Battery

Duration2 days20 hours9 days7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a215 x 180128 x 3648 x 128
Size1.3 inches0.42 inches1.23 inches1.4 inches0.74 inches
Touchn/a
TypeTFTOLEDMIPOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/a
Apps
Music

All Wearables