Fitbit Zip vs. Garmin Vivosmart 3 vs. Garmin Vivosmart 4 vs. Amazfit GTS vs. Amazfit T-Rex

 
Zip
Vivosmart 3
Vivosmart 4
GTS
T-Rex
 FitbitZipRemove Buy NowGarminVivosmart 3Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitGTSRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$60$139.99$130$150$140
Release20122017201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months5 days7 days14 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a64 x 12848 x 128348 x 442360 x 360
Sizen/aNA0.74 inches1.65 inches1.3 inches
Touch
Typen/aOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplash Resistant5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuild-in
Apps
Music

All Wearables