Polar M400 vs. Sony SmartWatch 3 vs. Garmin Vivosmart HR vs. Samsung Gear 2 vs. Huawei Band 2

 
M400
SmartWatch 3
Vivosmart HR
Gear 2
Band 2
 PolarM400Remove Buy NowSonySmartWatch 3Remove Buy NowGarminVivosmart HRRemove Buy NowSamsungGear 2Remove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$200$250$170$300$69.99
Release20142014201520142017

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days5 days2-3 days21 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320160 x 68320 x 320128 x 32
Sizen/a1.6 inches1.08 inches1.63 inches0.91 inches
Touch
Typen/aTFT LCDn/aSuper AMOLEDPMOLED

Functions

Audio SpeakerAlerts onlyBluetoothBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aTizen OS
Apps
Music

All Wearables