Sony SmartWatch 3 vs. Sony SmartBand Talk vs. Xiaomi Mi Band 2 vs. Garmin 645 Music vs. Polar A370

 
SmartWatch 3
SmartBand Talk
Mi Band 2
645 Music
A370
 SonySmartWatch 3Remove Buy NowSonySmartBand TalkRemove Buy NowXiaomiMi Band 2Remove Buy NowGarmin645 MusicRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$250$170$23$450$179.95
Release20142014201620182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Stepsn/a
Swim

Battery

Duration2 days3 days20 hours7 daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320296 x 128n/a240 x 240160 x 80
Size1.6 inches1.4 inches0.42 inches1.2 inches1.18 inches
Touch
TypeTFT LCDE InkOLEDMIPTFT LCD

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IP68IP675 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid Wearn/a
Apps
Music

All Wearables