Apple Watch Series 3 vs. Pebble 2 vs. Samsung Gear S2 vs. Xiaomi Mi Band 4 vs. Amazfit T-Rex

 
Watch Series 3
2
Gear S2
Mi Band 4
T-Rex
 AppleWatch Series 3Remove Buy NowPebble2Remove Buy NowSamsungGear S2Remove Buy NowXiaomiMi Band 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$329$129$300$25$140
Release20172016201520192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours7 days2-3 days20 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a360 x 360120x240360 x 360
Size1.5 inches or 1.65 inchesn/a1.2 inches0.95 inches1.3 inches
Touch
TypeAMOLEDe-paperSuper AMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Pebble OSTizenAMAZFIT OSBuild-in
Apps
Music

All Wearables