Polar M400 vs. Xiaomi Mi Band 2 vs. Michael Kors Access Sofie HR vs. Fossil Gen 5 Smartwatch Carlyle vs. Garmin VivoActive 4

 
M400
Mi Band 2
Access Sofie HR
Gen 5 Smartwatch Carlyle
VivoActive 4
 PolarM400Remove Buy NowXiaomiMi Band 2Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$23$395$295$349
Release20142016201920192019

Activity & Fitness

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

Battery

Duration8 hours to 30 days20 hours2 days1 day8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a390 x 390328 x 328260 x 260
Sizen/a0.42 inches1.19 inches1.3 inches1.3ionches
Touch
Typen/aOLEDOMOLEDAMOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP670.3 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSWear OSWear OS
Apps
Music

All Wearables