Fitbit Charge 2 vs. Amazfit Stratos vs. Casio G-Shock GBA800 vs. Fitbit Charge 3 vs. HTC re Grip

 
Charge 2
Stratos
G-Shock GBA800
Charge 3
re Grip
 FitbitCharge 2Remove Buy NowAmazfitStratosRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitCharge 3Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$199$120$150$199
Release20162018201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days2 years7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a320 x 30066 x 18160 x 32
Sizen/a1.34 inches.721 inches1.8 inches
Touchn/a
TypeOLEDOLEDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM20 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNANA
Apps
Music

All Wearables