Samsung Gear S vs. Fitbit Flex 2 vs. Xiaomi Mi Band 2 vs. Fitbit Alta HR vs. Amazfit GTR

 
Gear S
Flex 2
Mi Band 2
Alta HR
GTR
 SamsungGear SRemove Buy NowFitbitFlex 2Remove Buy NowXiaomiMi Band 2Remove Buy NowFitbitAlta HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$250$100$23$150$199
Release20132016201620172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Stepsn/a
Swim

Battery

Durationn/a5 days20 hours7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution480 x 360n/an/a128 x 36454 x 454
Size2 inchesn/a0.42 inches1.4 inches1.39 inches
Touchn/a
TypeSuper AMOLEDLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/an/aBuild-in
Apps
Music

All Wearables