Fitbit Alta vs. Garmin Vivosmart vs. Microsoft Band 2 vs. Michael Kors Access Sofie vs. Amazfit T-Rex

 
Alta
Vivosmart
Band 2
Access Sofie
T-Rex
 FitbitAltaRemove Buy NowGarminVivosmartRemove Buy NowMicrosoftBand 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$170$250$395$140
Release20162014201520172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days48 hours (without GPS)1 day20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 16320 x 128390 x 390 1.19 inches360 x 360
Sizen/a1.41 inches1.36 inches1.3 inches
Touchn/aAMOLDED
TypeOLEDOLEDCapacitative TFTAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIPX71 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aAndroid Wear 2.0Build-in
Apps
Music

All Wearables