Polar M400 vs. Polar Loop 2 vs. Garmin Vivoactive 3 vs. Pebble Time 2 vs. HTC re Grip

 
M400
Loop 2
Vivoactive 3
Time 2
re Grip
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowGarminVivoactive 3Remove Buy NowPebbleTime 2Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$120$299$199$199
Release20142015201720162020

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)7 days10 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240NA160 x 32
Sizen/an/a1.2 inchesNA1.8 inches
Touch
Typen/aLEDMIPe-paperPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATM5 ATM3 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aPebble OSNA
Apps
Music

All Wearables