Fitbit Surge vs. Fitbit Alta vs. Casio G-Shock GBA800 vs. Casio WSD-F20A vs. Garmin 645 Music

 
Surge
Alta
G-Shock GBA800
WSD-F20A
645 Music
 FitbitSurgeRemove Buy NowFitbitAltaRemove Buy NowCasioG-Shock GBA800Remove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$250$130$120$399$450
Release20162016201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days2 years1 day7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320240 x 240
Size1.26 inchesn/a1.32 inches1.2 inches
Touchn/a
TypeMonochrome LCDOLEDLCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a20 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWear OS
Apps
Music

All Wearables