Fitbit Charge 2 vs. Garmin Vivosmart HR vs. Samsung Gear 2 vs. Garmin Forerunner 45 vs. Amazfit GTS

 
Charge 2
Vivosmart HR
Gear 2
Forerunner 45
GTS
 FitbitCharge 2Remove Buy NowGarminVivosmart HRRemove Buy NowSamsungGear 2Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$150$170$300$199$150
Release20162015201420192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration5 days5 days2-3 days7 days14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68320 x 320208 x 208348 x 442
Sizen/a1.08 inches1.63 inches1.04 inches1.65 inches
Touchn/a
TypeOLEDn/aSuper AMOLEDLCDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aTizen OSBuilt-inWear OS
Apps
Music

All Wearables