Polar M400 vs. Garmin Vivosmart vs. Microsoft Band 2 vs. LG Watch Style vs. HTC re Grip

 
M400
Vivosmart
Band 2
Watch Style
re Grip
 PolarM400Remove Buy NowGarminVivosmartRemove Buy NowMicrosoftBand 2Remove Buy NowLGWatch StyleRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$170$250$249$199
Release20142014201520172020

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 days48 hours (without GPS)5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 16320 x 128360 x 360160 x 32
Sizen/a1.41 inches1.36 inches1.2 inches1.8 inches
Touch
Typen/aOLEDCapacitative TFTP-OLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIPX7IP67IP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAndroid Wear 2NA
Apps
Music

All Wearables