Pebble Time Round vs. Polar M400 vs. Pebble Core vs. Garmin Forerunner 45 vs. Garmin VivoActive 4

 
Time Round
M400
Core
Forerunner 45
VivoActive 4
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowPebbleCoreRemove Buy NowGarminForerunner 45Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$200$99$199$349
Release20152014201620192019

Activity & Fitness

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

Battery

Duration2 days8 hours to 30 daysNA7 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA208 x 208260 x 260
Sizeroundn/aNA1.04 inches1.3ionches
TouchNA
Typee-papern/aNALCDMIP

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATMNA5 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemPebble OSn/aNABuilt-inWear OS
Apps
Music

All Wearables