Pebble 2 vs. Fitbit Alta vs. Fitbit Versa 2 vs. Xiaomi Mi Band 4 vs. Amazfit T-Rex

 
2
Alta
Versa 2
Mi Band 4
T-Rex
 Pebble2Remove Buy NowFitbitAltaRemove Buy NowFitbitVersa 2Remove Buy NowXiaomiMi Band 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$129$130$199$25$140
Release20162016201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days5 days20 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a300 x 300120x240360 x 360
Sizen/an/a1.34 inches0.95 inches1.3 inches
Touchn/a
Typee-paperOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/a5 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/aBuild-inAMAZFIT OSBuild-in
Apps
Music

All Wearables