Pebble Time Round vs. Withings Activite Sapphire vs. Apple Watch Series 2 vs. Fitbit Alta HR vs. Xiaomi Mi Band

 
Time Round
Activite Sapphire
Watch Series 2
Alta HR
Mi Band
 PebbleTime RoundRemove Buy NowWithingsActivite SapphireRemove Buy NowAppleWatch Series 2Remove Buy NowFitbitAlta HRRemove Buy NowXiaomiMi BandRemove Buy Now

Basic Info

Suggested Price$200$450$269$150$15
Release20152014201620172015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 months18 hours7 days30 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/an/a340 x 272 or 390 x 312128 x 36NA
Sizeround1.3 inches1.5 inches or 1.65 inches1.4 inchesNA
TouchNA
Typee-paperAnalogAMOLEDOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM5ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aWatch OSNA
Apps
Music

All Wearables