Fossil Q Founder vs. Polar M400 vs. Samsung Gear S2 vs. Garmin Vivosmart HR Plus vs. Amazfit T-Rex

 
Q Founder
M400
Gear S2
Vivosmart HR Plus
T-Rex
 FossilQ FounderRemove Buy NowPolarM400Remove Buy NowSamsungGear S2Remove Buy NowGarminVivosmart HR PlusRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$275$200$300$179$140
Release20152014201520172019

Activity & Fitness

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

Battery

Duration1 day8 hours to 30 days2-3 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 326n/a360 x 360160 x 68360 x 360
Size1.5 inchesn/a1.2 inches0.5 inches x 0.8 inches1.3 inches
Touch
TypeLCDn/aSuper AMOLEDLCDAMOLED

Functions

Audio Speakern/aAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMIP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aTizenNABuild-in
Appsn/a
Music

All Wearables