Fitbit Flex 2 vs. Garmin 645 Music vs. LG G Watch vs. Fitbit Alta HR vs. HTC re Grip

 
Flex 2
645 Music
G Watch
Alta HR
re Grip
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowLGG WatchRemove Buy NowFitbitAlta HRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$450$230$150$199
Release20162018201420172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days1.5 days7 days5 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/a240 x 240280 x 280128 x 36160 x 32
Sizen/a1.2 inches1.65 inches1.4 inches1.8 inches
Touchn/a
TypeLEDMIPIPS LCDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP67IP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNA
Apps
Music

All Wearables