Product comparison · 2 electric toothbrushes

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

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)

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
Number of teeth brushing modesDiffers	2	3
Teeth brushing modesDiffers	Daily care, Gum care	Daily care, Gum care, Whitening
Product colourDiffers	Blue	Navy
Handle colourDiffers	Blue	Navy
Packaging content1 differ
Number of brush heads includedDiffers	1 pc(s)	2 pc(s)
Travel caseKnown for one	Unknown — not stated by the source	Yes
Technical details1 differ
Proven health benefitsDiffers	Helps improve gum health Helps reduce cavities	Helps reduce cavities
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.