Polar M600 vs. Xiaomi Mi Band 2 vs. Garmin Forerunner 935 vs. Casio WSD-F20A vs. Garmin Forerunner 45

 
M600
Mi Band 2
Forerunner 935
WSD-F20A
Forerunner 45
 PolarM600Remove Buy NowXiaomiMi Band 2Remove Buy NowGarminForerunner 935Remove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$330$23$500$399$199
Release20162016201720182019

Activity & Fitness

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

Battery

Duration2 days20 hoursUp to 2 weeks1 day7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a240 x 240320 x 320208 x 208
Size1.3 inches0.42 inches1.2 inches1.32 inches1.04 inches
Touchn/a
TypeTFTOLEDLCDLCDLCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP675 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWear OSBuilt-in
Apps
Music

All Wearables