Polar M400 vs. Samsung Gear S2 vs. Microsoft Band 2 vs. LG Watch Style vs. HTC re Grip

 
M400
Gear S2
Band 2
Watch Style
re Grip
 PolarM400Remove Buy NowSamsungGear S2Remove Buy NowMicrosoftBand 2Remove Buy NowLGWatch StyleRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$300$250$249$199
Release20142015201520172020

Activity & Fitness

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

Battery

Duration8 hours to 30 days2-3 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
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 360320 x 128360 x 360160 x 32
Sizen/a1.2 inches1.36 inches1.2 inches1.8 inches
Touch
Typen/aSuper AMOLEDCapacitative TFTP-OLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68IPX7IP67IP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenn/aAndroid Wear 2NA
Apps
Music

All Wearables