Polar Loop 2 vs. Garmin Forerunner 235 vs. Garmin Vivoactive 3 vs. Fitbit Flex vs. Garmin Forerunner 45

 
Loop 2
Forerunner 235
Vivoactive 3
Flex
Forerunner 45
 PolarLoop 2Remove Buy NowGarminForerunner 235Remove Buy NowGarminVivoactive 3Remove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$120$299.99$299$100$199
Release20152017201720132019

Activity & Fitness

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

Battery

Duration8 days (without notifications)9 days7 days5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a215 x 180240 x 240NA208 x 208
Sizen/a1.23 inches1.2 inchesNA1.04 inches
TouchNA
TypeLEDMIPMIPLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuilt-in
Apps
Music

All Wearables