Misfit Ray vs. Polar Loop 2 vs. Xiaomi Mi Band 4 vs. Huawei Band 2 vs. Amazfit T-Rex

 
Ray
Loop 2
Mi Band 4
Band 2
T-Rex
 MisfitRayRemove Buy NowPolarLoop 2Remove Buy NowXiaomiMi Band 4Remove Buy NowHuaweiBand 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$120$25$69.99$140
Release20162015201920172019

Activity & Fitness

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

Battery

Duration6 months8 days (without notifications)20 days21 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a120x240128 x 32360 x 360
Sizen/an/a0.95 inches0.91 inches1.3 inches
Touchn/a
TypeLEDLEDAMOLEDPMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAMAZFIT OSBuild-in
Apps
Music

All Wearables