Garmin Forerunner 735XT vs. Polar M400 vs. Garmin Vivosmart vs. Microsoft Band 2 vs. Apple Series 6

 
Forerunner 735XT
M400
Vivosmart
Band 2
Series 6
 GarminForerunner 735XTRemove Buy NowPolarM400Remove Buy NowGarminVivosmartRemove Buy NowMicrosoftBand 2Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$450$200$170$250$399
Release20162014201420152020

Activity & Fitness

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

Battery

Duration14 hours to 11 days8 hours to 30 days7 days48 hours (without GPS)Not yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180n/a128 x 16320 x 128384 x 480
Size1.23 inchesn/a1.41 inches1.36 inches40mm
Touchn/a
Typen/an/aOLEDCapacitative TFTMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM3 ATM5 ATMIPX7

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/an/aWatchOS 5
Apps
Music

All Wearables