Fitbit Flex 2 vs. Amazfit Arc vs. Pebble Core vs. Garmin Forerunner 45 vs. Garmin VivoActive 4

 
Flex 2
Arc
Core
Forerunner 45
VivoActive 4
 FitbitFlex 2Remove Buy NowAmazfitArcRemove Buy NowPebbleCoreRemove Buy NowGarminForerunner 45Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$69.99$99$199$349
Release20162016201620192019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days20 daysNA7 days8 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a72 x40NA208 x 208260 x 260
Sizen/a0.42 inchesNA1.04 inches1.3ionches
Touchn/aNA
TypeLEDOLEDNALCDMIP

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP67NA5 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNABuilt-inWear OS
Apps
Music

All Wearables