Fitbit Alta HR vs Fitbit Charge 2

Full Comparison

General

Fitbit Alta HRFitbit Alta HRFitbit Charge 2Fitbit Charge 2
Bracelet
yesYes
yesYes
Bracelet Thickness
12.3 mm
12.7 mm
Bracelet Width
15 mm
21.45 mm
Clips
noNo
noNo

Image

Fitbit Alta HRFitbit Alta HRFitbit Charge 2Fitbit Charge 2
Display
yesYes
yesYes

Dimensions

Fitbit Alta HRFitbit Alta HRFitbit Charge 2Fitbit Charge 2
Colour of product
Black, Blue, Grey, Orange, Pink, Purple, Red, Turquoise
Black, Blue, Green, Grey, Pink, Purple, Silver, Turquoise
Weight
25 g
35 g

Features

Fitbit Alta HRFitbit Alta HRFitbit Charge 2Fitbit Charge 2
Water resistant
yesYes
yesYes
Fully Waterproof
noNo
noNo
IP code (level of dust/water resistance)
IP67
IP34
Heart rate monitor
yesYes
yesYes
Caller ID
yesYes
yesYes
Calorie counter
yesYes
yesYes
Distance meter
yesYes
yesYes
Pedometer
yesYes
yesYes
Sleep reading
yesYes
yesYes
Touchscreen
yesYes
yesYes
Vibration alarm
yesYes
yesYes
Watch
yesYes
yesYes

Connectivity

Fitbit Alta HRFitbit Alta HRFitbit Charge 2Fitbit Charge 2
Bluetooth
yesYes
yesYes
Bluetooth version
4.0
4.0
GPS
noNo
noNo
NFC
noNo
noNo

Compatibility

Fitbit Alta HRFitbit Alta HRFitbit Charge 2Fitbit Charge 2
Compatible devices
Android, iPad, iPhone, iPod, Windows Phone
Android, iPad, iPhone, iPod, Windows Phone

Power

Fitbit Alta HRFitbit Alta HRFitbit Charge 2Fitbit Charge 2
Battery life
7 day
5 day
Battery type
Li-polymer
Li-polymer
Charging via USB
yesYes
yesYes