Polar M600 vs. Casio WSD-F20A vs. Michael Kors Access Sofie vs. Garmin Forerunner 45 vs. HTC re Grip

 
M600
WSD-F20A
Access Sofie
Forerunner 45
re Grip
 PolarM600Remove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsAccess SofieRemove Buy NowGarminForerunner 45Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$330$399$395$199$199
Release20162018201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days1 day1 day7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240320 x 320390 x 390 1.19 inches208 x 208160 x 32
Size1.3 inches1.32 inches1.04 inches1.8 inches
Touchn/aAMOLDED
TypeTFTLCDLCDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM1 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearWear OSAndroid Wear 2.0Built-inNA
Apps
Music

All Wearables