Pebble Time vs. Polar V800 vs. Polar Loop 2 vs. Acer Liquid Leap vs. Xiaomi Mi Band 4

 
Time
V800
Loop 2
Liquid Leap
Mi Band 4
 PebbleTimeRemove Buy NowPolarV800Remove Buy NowPolarLoop 2Remove Buy NowAcerLiquid LeapRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$150$470$120$90$25
Release20152014201520152019

Activity & Fitness

Calories
Cycling (Bicycling)n/a
Distance
Heartn/an/a
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days13 hours to 30 days8 days (without notifications)5 to 7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/an/a128 x 32120x240
Size1.26 inchesn/an/a1 inch0.95 inches
Touch
Typee-papern/aLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM2 ATMIPX45 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aAMAZFIT OS
Apps
Music

All Wearables