Polar Loop 2 vs. Garmin Forerunner 235 vs. Fitbit Charge vs. Garmin Vivosmart 4 vs. Fitbit Sense 2

 
Loop 2
Forerunner 235
Charge
Vivosmart 4
Sense 2
 PolarLoop 2Remove Buy NowGarminForerunner 235Remove Buy NowFitbitChargeRemove Buy NowGarminVivosmart 4Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$120$299.99$130$130$300
Release20152017201420182022

Activity & Fitness

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

Battery

Duration8 days (without notifications)9 days7-10 days7 days6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a215 x 180NA48 x 128336x336
Sizen/a1.23 inchesNA0.74 inches1.59 inches
TouchNA
TypeLEDMIPOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNA
Apps
Music

All Wearables