TomTom Spark vs. Microsoft Band 2 vs. Garmin Chronos vs. Polar A370 vs. Garmin Forerunner 45

 
Spark
Band 2
Chronos
A370
Forerunner 45
 TomTomSparkRemove Buy NowMicrosoftBand 2Remove Buy NowGarminChronosRemove Buy NowPolarA370Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$150$250$1500$179.95$199
Release20152015201820172019

Activity & Fitness

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

Battery

Durationn/a48 hours (without GPS)8 daysUp to 3 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 128218 x 218160 x 80208 x 208
Sizen/a1.36 inches1.2 inches1.18 inches1.04 inches
Touch
TypeLCDCapacitative TFTMIPTFT LCDLCD

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX710 ATMWR305 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aWear OSBuilt-in
Apps
Music

All Wearables