Samsung Gear S vs. Fitbit Alta vs. Huawei Band 2 vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
Gear S
Alta
Band 2
Vivosmart 4
T-Rex
 SamsungGear SRemove Buy NowFitbitAltaRemove Buy NowHuaweiBand 2Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$130$69.99$130$140
Release20132016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days21 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360n/a128 x 3248 x 128360 x 360
Size2 inchesn/a0.91 inches0.74 inches1.3 inches
Touchn/a
TypeSuper AMOLEDOLEDPMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/a5 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenn/aBuild-in
Apps
Music

All Wearables