Polar M400 vs. TomTom Spark vs. Samsung Gear Fit2 vs. Amazfit Stratos vs. Casio G-Shock GBA800

 
M400
Spark
Gear Fit2
Stratos
G-Shock GBA800
 PolarM400Remove Buy NowTomTomSparkRemove Buy NowSamsungGear Fit2Remove Buy NowAmazfitStratosRemove Buy NowCasioG-Shock GBA800Remove Buy Now

Basic Info

Suggested Price$200$150$180$199$120
Release20142015201620182018

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a3-4 days5 days2 years
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a432 x 216320 x 300
Sizen/an/a1.5 inches1.34 inches
Touch
Typen/aLCDSuper AMOLEDOLED

Functions

Audio SpeakerAlerts onlyBluetoothBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP685 ATM20 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aTizenProprietary
Apps
Music

All Wearables