Polar M400 vs. Samsung Gear 2 vs. Garmin Forerunner 45 vs. Garmin Instinct vs. Fitbit Sense 2

 
M400
Gear 2
Forerunner 45
Instinct
Sense 2
 PolarM400Remove Buy NowSamsungGear 2Remove Buy NowGarminForerunner 45Remove Buy NowGarminInstinctRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$200$300$199$300$300
Release20142014201920182022

Activity & Fitness

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

Battery

Duration8 hours to 30 days2-3 days7 days14 days6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320208 x 208128 x 128336x336
Sizen/a1.63 inches1.04 inches0.9 inches1.59 inches
Touch
Typen/aSuper AMOLEDLCDOMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP675 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OSBuilt-in
Apps
Music

All Wearables