Polar M400 vs. Polar M600 vs. Withings Activite Sapphire vs. Fitbit Versa vs. Mobvoi TicWatch E

 
M400
M600
Activite Sapphire
Versa
TicWatch E
 PolarM400Remove Buy NowPolarM600Remove Buy NowWithingsActivite SapphireRemove Buy NowFitbitVersaRemove Buy NowMobvoiTicWatch ERemove Buy Now

Basic Info

Suggested Price$200$330$450$199.99$159
Release20142016201420182017

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days8 months4 days1.5-2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240n/a300 x300400 x 400
Sizen/a1.3 inches1.3 inches1.34 inches1.4 inches
Touchn/a
Typen/aTFTAnalogOLEDOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX85 ATM5 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aAndroid Wear 2.0
Apps
Music

All Wearables