Huawei Watch 2 vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. Jawbone UP4 vs. Amazfit GTR

 
Watch 2
G-Shock GBA800
645 Music
UP4
GTR
 HuaweiWatch 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowJawboneUP4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$350$120$450$200$199
Release20172018201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours2 years7 daysNA24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 480240 x 240NA454 x 454
Size1.38 inches1.2 inchesNA1.39 inches
TouchNA
TypeP-OLEDMIPNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6820 ATM5 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2NABuild-in
Apps
MusicNA

All Wearables