TomTom Spark vs. Casio G-Shock GBA800 vs. Fitbit Alta HR vs. Garmin Forerunner 45 vs. Amazfit GTS

 
Spark
G-Shock GBA800
Alta HR
Forerunner 45
GTS
 TomTomSparkRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitAlta HRRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$150$120$150$199$150
Release20152018201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2 years7 days7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 36208 x 208348 x 442
Sizen/a1.4 inches1.04 inches1.65 inches
Touch
TypeLCDOLEDLCDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM20 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aBuilt-inWear OS
Apps
Music

All Wearables