Polar M400 vs. Samsung Gear 2 vs. Fitbit Alta HR vs. Microsoft Band vs. HTC re Grip

 
M400
Gear 2
Alta HR
Band
re Grip
 PolarM400Remove Buy NowSamsungGear 2Remove Buy NowFitbitAlta HRRemove Buy NowMicrosoftBandRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$300$150$200$199
Release20142014201720142020

Activity & Fitness

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

Battery

Duration8 hours to 30 days2-3 days7 days2 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANANA
WindowsNANANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320128 x 36320 x 106160 x 32
Sizen/a1.63 inches1.4 inches1.37 inches1.8 inches
Touch
Typen/aSuper AMOLEDOLEDCapacitative TFTPMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP67IP67IP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OSNANA
Apps
Music

All Wearables