Casio G-Shock GBA800 vs. Garmin 645 Music vs. Fitbit Alta HR vs. Fitbit Flex vs. Microsoft Band

 
G-Shock GBA800
645 Music
Alta HR
Flex
Band
 CasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowMicrosoftBandRemove Buy Now

Basic Info

Suggested Price$120$450$150$100$200
Release20182018201720132014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 years7 days7 days5 days2 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240128 x 36NA320 x 106
Size1.2 inches1.4 inchesNA1.37 inches
TouchNA
TypeMIPOLEDLEDCapacitative TFT

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance20 ATM5 ATM1 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating SystemNANA
Apps
Music

Wearables by Microsoft

Microsoft Band 2

All Wearables