Fitbit Flex 2 vs. Garmin 645 Music vs. Fitbit Charge vs. LG G Watch R vs. Amazfit GTS

 
Flex 2
645 Music
Charge
G Watch R
GTS
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowLGG Watch RRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$450$130$300$150
Release20162018201420142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days7-10 days2 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNAn/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240NA320 x 320348 x 442
Sizen/a1.2 inchesNA1.3 inches1.65 inches
Touchn/aNA
TypeLEDMIPOLEDP-OLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAAndroid WearWear OS
Apps
Music

All Wearables