Garmin Forerunner 225 vs. Samsung Gear S2 vs. Fitbit Flex vs. Garmin Vivosmart 3 vs. Garmin Forerunner 45

 
Forerunner 225
Gear S2
Flex
Vivosmart 3
Forerunner 45
 GarminForerunner 225Remove Buy NowSamsungGear S2Remove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 3Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$300$300$100$139.99$199
Release20152015201320172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks2-3 days5 days5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution180 x 180360 x 360NA64 x 128208 x 208
Size1 inch1.2 inchesNANA1.04 inches
TouchNA
Typen/aSuper AMOLEDLEDOLEDLCD

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP681 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aTizenNABuilt-in
Appsn/a
Musicn/a

All Wearables