Product comparison · 2 electric toothbrushes

Philips 4500 series Sonic electric toothbrush HX6823/16 vs Philips 4500 series Sonic electric toothbrush HX6851/56

47specifications compared
6differ
41identical
4known for one product only

Key differences

Number of teeth brushing modes
- 4500 series Sonic electric toothbrush HX6823/16:2
- 4500 series Sonic electric toothbrush HX6851/56:3
Product colour
- 4500 series Sonic electric toothbrush HX6823/16:Blue
- 4500 series Sonic electric toothbrush HX6851/56:Navy
Handle colour
- 4500 series Sonic electric toothbrush HX6823/16:Blue
- 4500 series Sonic electric toothbrush HX6851/56:Navy
Number of brush heads included
- 4500 series Sonic electric toothbrush HX6823/16:1 pc(s)
- 4500 series Sonic electric toothbrush HX6851/56:2 pc(s)

Side by side

Differences highlightedShow differences only

Comparison of HX6823/16, HX6851/56
51 specifications	A Philips 4500 series Sonic electric toothbrush HX6823/16 Model HX6823/16 View product	B Philips 4500 series Sonic electric toothbrush HX6851/56 Model HX6851/56 View product
Features4 differ
Purpose	Adult	Adult
Toothbrush type	Sonic toothbrush	Sonic toothbrush
Adjustable speed	No	No
Toothbrush frequency (oscillations)	0 movements per minute	0 movements per minute
Toothbrush frequency (rotations)	0 movements per minute	0 movements per minute
Integrated timer	Yes	Yes
Timer duration modes	2 min	2 min
Number of teeth brushing modesDiffers	2	3
Teeth brushing modesDiffers	Daily care, Gum care	Daily care, Gum care, Whitening
Toothbrush frequency (pulsations)	62000 movements per minute	62000 movements per minute
Pressure sensor	Yes	Yes
Product colourDiffers	Blue	Navy
Handle colourDiffers	Blue	Navy
Handle(s) features	Ergonomic	Ergonomic
Indication light	Yes	Yes
LED indicators	Status	Status
Charging indicator	Yes	Yes
Detachable head	Yes	Yes
Handles quantity	1	1
Irrigator	No	No
Replacement	Yes	Yes
Mobile app support	No	No
Poweridentical
Power source	Battery	Battery
Battery type	Built-in battery	Built-in battery
AC input frequency	110-220 V	110-220 V
AC input voltage	110 - 220 V	110 - 220 V
Charging base	Yes	Yes
Rechargeable	Yes	Yes
Packaging content1 differ
Number of handles included	1 pc(s)	1 pc(s)
Number of brush heads includedDiffers	1 pc(s)	2 pc(s)
Flosser included	No	No
Travel caseKnown for one	Unknown — not stated by the source	Yes
Charger	Yes	Yes
Number of chargers	1	1
Batteryidentical
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Battery level indicator	Yes	Yes
Rechargeable battery	Yes	Yes
Technical details1 differ
Cleaning modes	For exceptional everyday clean	For exceptional everyday clean
Colour	Yes	Yes
Timer	Smartimer and Quadpacer	Smartimer and Quadpacer
Batteries	Rechargeable	Rechargeable
Battery indicator description	Light shows battery status	Light shows battery status
Brushing time	Up to 2 weeks	Up to 2 weeks
Gum Care modes	Gently massages gums	Gently massages gums
Operating time (Full to Empty)	Up to 2 weeks	Up to 2 weeks
Pressure feedback	Vibrates handle to alert user	Vibrates handle to alert user
Proven health benefitsDiffers	Helps improve gum health Helps reduce cavities	Helps reduce cavities
Speed(s)	Up to 62000 brush movement/min	Up to 62000 brush movement/min
Whitening benefitsKnown for one	Unknown — not stated by the source	Whitens teeth in 1 week
Whitening modesKnown for one	Unknown — not stated by the source	Removes surface stains
Replacement reminderKnown for one	To always ensure best results reminder icon lights up	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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