Jawbone UP2 vs. Jawbone UP4 vs. LG G Watch R vs. Fitbit Inspire HR vs. Amazfit T-Rex

 
UP2
UP4
G Watch R
Inspire HR
T-Rex
 JawboneUP2Remove Buy NowJawboneUP4Remove Buy NowLGG Watch RRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$200$300$99$140
Release20152015201420192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 daysNA2 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANAn/a
MacNANAn/a
WindowsNANAn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNANA320 x 320139 x 60360 x 360
SizeNANA1.3 inches1.4 inches1.3 inches
TouchNANA
TypeNANAP-OLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplash resistantNAIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNANAAndroid WearFitbit OSBuild-in
Apps
MusicNA

All Wearables