Polar M400 vs. Sony SmartWatch 3 vs. Amazfit Pace vs. Garmin Vivoactive 3 vs. Fitbit Flex

 
M400
SmartWatch 3
Pace
Vivoactive 3
Flex
 PolarM400Remove Buy NowSonySmartWatch 3Remove Buy NowAmazfitPaceRemove Buy NowGarminVivoactive 3Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$250$130$299$100
Release20142014201720172013

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days5 days7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320320 x 300240 x 240NA
Sizen/a1.6 inches1.34 inches1.2 inchesNA
TouchNA
Typen/aTFT LCDTFT LCDMIPLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68IP675 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearProprietaryNA
Apps
Music

All Wearables