Garmin Forerunner 735XT vs. Polar Loop 2 vs. Fitbit Flex vs. Sony SmartBand vs. Garmin Vivosmart 4

 
Forerunner 735XT
Loop 2
Flex
SmartBand
Vivosmart 4
 GarminForerunner 735XTRemove Buy NowPolarLoop 2Remove Buy NowFitbitFlexRemove Buy NowSonySmartBandRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$450$120$100$100$130
Release20162015201320142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days8 days (without notifications)5 days5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution215 x 180n/aNANA48 x 128
Size1.23 inchesn/aNANA0.74 inches
Touchn/aNANA
Typen/aLEDLEDNAOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM1 ATMIP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNANA
Apps
Music

All Wearables