Samsung Gear S vs. Pebble Time 2 vs. Fitbit Alta HR vs. Fitbit Charge vs. Amazfit GTR

 
Gear S
Time 2
Alta HR
Charge
GTR
 SamsungGear SRemove Buy NowPebbleTime 2Remove Buy NowFitbitAlta HRRemove Buy NowFitbitChargeRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$250$199$150$130$199
Release20132016201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a10 days7 days7-10 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360NA128 x 36NA454 x 454
Size2 inchesNA1.4 inchesNA1.39 inches
TouchNA
TypeSuper AMOLEDe-paperOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenPebble OSNABuild-in
Apps
Music

All Wearables