Fitbit Flex 2 vs. Amazfit Cor vs. Garmin 645 Music vs. Jawbone UP4 vs. HTC re Grip

 
Flex 2
Cor
645 Music
UP4
re Grip
 FitbitFlex 2Remove Buy NowAmazfitCorRemove Buy NowGarmin645 MusicRemove Buy NowJawboneUP4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$79.99$450$200$199
Release20162018201820152020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days12 days7 daysNA5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a80 x 160240 x 240NA160 x 32
Sizen/a1.23 inches1.2 inchesNA1.8 inches
Touchn/aNA
TypeLEDIPS LCDMIPNAPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMNAIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANA
Apps
MusicNA

All Wearables