Pebble 2 vs. Polar M400 vs. Huawei Watch 2 vs. Apple Watch Series 4 vs. Garmin VivoActive 4

 
2
M400
Watch 2
Watch Series 4
VivoActive 4
 Pebble2Remove Buy NowPolarM400Remove Buy NowHuaweiWatch 2Remove Buy NowAppleWatch Series 4Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$129$200$350$329$349
Release20162014201720182019

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days48 hoursNot Yet8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a480 x 480384 x 480260 x 260
Sizen/an/a1.38 inches1.78 inches1.3ionches
Touch
Typee-papern/aP-OLEDMicroLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATMIP68Not Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid Wear 2Watch OS 5Wear OS
Apps
Music

All Wearables