Fitbit Flex 2 vs. Samsung Gear 2 vs. Garmin Forerunner 45 vs. Garmin Vivosmart 4 vs. Fitbit Sense 2

 
Flex 2
Gear 2
Forerunner 45
Vivosmart 4
Sense 2
 FitbitFlex 2Remove Buy NowSamsungGear 2Remove Buy NowGarminForerunner 45Remove Buy NowGarminVivosmart 4Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$100$300$199$130$300
Release20162014201920182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration5 days2-3 days7 days7 days6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320208 x 20848 x 128336x336
Sizen/a1.63 inches1.04 inches0.74 inches1.59 inches
Touchn/a
TypeLEDSuper AMOLEDLCDOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OSBuilt-in
Apps
Music

All Wearables