Fitbit Flex 2 vs. Amazfit Arc vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. Fitbit Flex

 
Flex 2
Arc
G-Shock GBA800
645 Music
Flex
 FitbitFlex 2Remove Buy NowAmazfitArcRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$100$69.99$120$450$100
Release20162016201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 days2 years7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a72 x40240 x 240NA
Sizen/a0.42 inches1.2 inchesNA
Touchn/aNA
TypeLEDOLEDMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP6720 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNA
Apps
Music

All Wearables