Fitbit Alta vs. Fitbit Zip vs. Huawei Watch 2 vs. Asus VivoWatch vs. Amazfit T-Rex

 
Alta
Zip
Watch 2
VivoWatch
T-Rex
 FitbitAltaRemove Buy NowFitbitZipRemove Buy NowHuaweiWatch 2Remove Buy NowAsusVivoWatchRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$60$350$160$140
Release20162012201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months48 hours24 hours to 10 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a480 x 480128 x 128360 x 360
Sizen/an/a1.38 inchesNA1.3 inches
Touchn/a
TypeOLEDn/aP-OLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/aSplash ResistantIP68IP675 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2KoodOSBuild-in
Apps
Music

All Wearables