Pebble Time Steel vs. Polar M600 vs. Polar Loop 2 vs. Garmin Forerunner 935 vs. Xiaomi Mi Band 4

 
Time Steel
M600
Loop 2
Forerunner 935
Mi Band 4
 PebbleTime SteelRemove Buy NowPolarM600Remove Buy NowPolarLoop 2Remove Buy NowGarminForerunner 935Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$250$330$120$500$25
Release20152016201520172019

Activity & Fitness

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

Battery

Duration10 days2 days8 days (without notifications)Up to 2 weeks20 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 144240 x 240n/a240 x 240120x240
Size1.26 inches1.3 inchesn/a1.2 inches0.95 inches
Touchn/a
Typee-paperTFTLEDLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX82 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid Wearn/aAMAZFIT OS
Apps
Music

All Wearables