Pebble Time Round vs. Samsung Gear Fit2 vs. Fitbit Alta HR vs. Pebble Core vs. Amazfit T-Rex

 
Time Round
Gear Fit2
Alta HR
Core
T-Rex
 PebbleTime RoundRemove Buy NowSamsungGear Fit2Remove Buy NowFitbitAlta HRRemove Buy NowPebbleCoreRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$180$150$99$140
Release20152016201720162019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration2 days3-4 days7 daysNA20 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a432 x 216128 x 36NA360 x 360
Sizeround1.5 inches1.4 inchesNA1.3 inches
TouchNA
Typee-paperSuper AMOLEDOLEDNAAMOLED

Functions

Audio SpeakerBluetooth
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7IP68NA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemPebble OSTizenNABuild-in
Apps
Music

All Wearables