Garmin Forerunner 735XT vs. Polar Loop 2 vs. Fitbit Flex vs. Pebble Core vs. Garmin Vivosmart 4

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

Basic Info

Suggested Price$450$120$100$99$130
Release20162015201320162018

Activity & Fitness

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

Battery

Duration14 hours to 11 days8 days (without notifications)5 daysNA7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

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

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM1 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aNANA
Apps
Music

All Wearables