Fitbit Alta vs. Garmin Vivosmart HR vs. Microsoft Band 2 vs. Amazfit GTR vs. Amazfit T-Rex

 
Alta
Vivosmart HR
Band 2
GTR
T-Rex
 FitbitAltaRemove Buy NowGarminVivosmart HRRemove Buy NowMicrosoftBand 2Remove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$170$250$199$140
Release20162015201520192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days48 hours (without GPS)24 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68320 x 128454 x 454360 x 360
Sizen/a1.08 inches1.36 inches1.39 inches1.3 inches
Touchn/a
TypeOLEDn/aCapacitative TFTAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIPX75 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aBuild-inBuild-in
Apps
Music

All Wearables