Fitbit One vs. Pebble Time 2 vs. Fitbit Alta HR vs. Amazfit T-Rex vs. Garmin VivoActive 4

 
One
Time 2
Alta HR
T-Rex
VivoActive 4
 FitbitOneRemove Buy NowPebbleTime 2Remove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$199$150$140$349
Release20122016201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days10 days7 days20 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA128 x 36360 x 360260 x 260
Sizen/aNA1.4 inches1.3 inches1.3ionches
Touch
TypeOLEDe-paperOLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aPebble OSBuild-inWear OS
Apps
Music

All Wearables