Polar M400 vs. Polar V800 vs. Withings Activite Sapphire vs. Polar A370 vs. Amazfit Verge

 
M400
V800
Activite Sapphire
A370
Verge
 PolarM400Remove Buy NowPolarV800Remove Buy NowWithingsActivite SapphireRemove Buy NowPolarA370Remove Buy NowAmazfitVergeRemove Buy Now

Basic Info

Suggested Price$200$470$450$179.95$160
Release20142014201420172019

Activity & Fitness

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

Battery

Duration8 hours to 30 days13 hours to 30 days8 monthsUp to 3 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a160 x 80454x454
Sizen/an/a1.3 inches1.18 inches1.39 inches
Touch
Typen/an/aAnalogTFT LCDOMOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATM5 ATMWR30IP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAMAZFIT OS
Apps
Music

All Wearables