Samsung Gear S2 vs. Fitbit Flex 2 vs. Fitbit Ionic vs. Casio WSD-F20A vs. Garmin Forerunner 45

 
Gear S2
Flex 2
Ionic
WSD-F20A
Forerunner 45
 SamsungGear S2Remove Buy NowFitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$300$100$299$399$199
Release20152016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days4+ days1 day7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Colorn/a
Resolution360 x 360n/a348x250320 x 320208 x 208
Size1.2 inchesn/a1.421.32 inches1.04 inches
Touchn/a
TypeSuper AMOLEDLEDOLEDLCDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM50m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aFitbit OSWear OSBuilt-in
Apps
Music

All Wearables