Fitbit Charge 2 vs. Fitbit Flex 2 vs. Amazfit Cor vs. Garmin Vivosmart 4 vs. HTC re Grip

 
Charge 2
Flex 2
Cor
Vivosmart 4
re Grip
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowAmazfitCorRemove Buy NowGarminVivosmart 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$100$79.99$130$199
Release20162016201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days12 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a80 x 16048 x 128160 x 32
Sizen/an/a1.23 inches0.74 inches1.8 inches
Touchn/an/a
TypeOLEDLEDIPS LCDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables