Fitbit Zip vs. Garmin Vivosmart 4 vs. Amazfit T-Rex vs. Garmin VivoActive 4 vs. Apple Series 6

 
Zip
Vivosmart 4
T-Rex
VivoActive 4
Series 6
 FitbitZipRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$60$130$140$349$399
Release20122018201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months7 days20 days8 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a48 x 128360 x 360260 x 260384 x 480
Sizen/a0.74 inches1.3 inches1.3ionches40mm
Touch
Typen/aOLEDAMOLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceSplash Resistant5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuild-inWear OSWatchOS 5
Apps
Music

All Wearables