Product comparison · 2 electric toothbrushes

Philips Sonicare 2 Series plaque control 2 modes 1 brush head Sonic electric toothbrush vs Philips HX6616/51 electric toothbrush Adult Sonic toothbrush Purple

Key differences

Adjustable speed
- Sonicare 2 Series plaque control 2 modes 1 brush head Sonic electric toothbrush:No
- HX6616/51 electric toothbrush Adult Sonic toothbrush Purple:Yes
Number of teeth brushing modes
- Sonicare 2 Series plaque control 2 modes 1 brush head Sonic electric toothbrush:2
- HX6616/51 electric toothbrush Adult Sonic toothbrush Purple:1
Teeth brushing modes
- Sonicare 2 Series plaque control 2 modes 1 brush head Sonic electric toothbrush:Daily care, Massage
- HX6616/51 electric toothbrush Adult Sonic toothbrush Purple:Daily care
Product colour
- Sonicare 2 Series plaque control 2 modes 1 brush head Sonic electric toothbrush:Blue, White
- HX6616/51 electric toothbrush Adult Sonic toothbrush Purple:Purple
Number of brush heads included
- Sonicare 2 Series plaque control 2 modes 1 brush head Sonic electric toothbrush:1 pc(s)
- HX6616/51 electric toothbrush Adult Sonic toothbrush Purple:2 pc(s)
Battery technology
- Sonicare 2 Series plaque control 2 modes 1 brush head Sonic electric toothbrush:Nickel-Metal Hydride (NiMH)
- HX6616/51 electric toothbrush Adult Sonic toothbrush Purple:Lithium-Ion (Li-Ion)

Differences highlightedShow differences only

Comparison of HX6251/40, HX6616/51
25 specifications	A Philips Sonicare 2 Series plaque control 2 modes 1 brush head Sonic electric toothbrush Model HX6251/40 View product	B Philips HX6616/51 electric toothbrush Adult Sonic toothbrush Purple Model HX6616/51 View product
Features4 differ
Adjustable speedDiffers	No	Yes
Timer duration modesKnown for one	Unknown — not stated by the source	2 min, 30 sec
Number of teeth brushing modesDiffers	2	1
Teeth brushing modesDiffers	Daily care, Massage	Daily care
Product colourDiffers	Blue, White	Purple
Handle(s) featuresKnown for one	Unknown — not stated by the source	Ergonomic
LED indicatorsKnown for one	Unknown — not stated by the source	Status
Poweridentical
Battery typeKnown for one	Unknown — not stated by the source	Built-in
Number of batteries supportedKnown for one	1	Unknown — not stated by the source
Charging baseKnown for one	Yes	Unknown — not stated by the source
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
Battery1 differ
Battery technologyDiffers	Nickel-Metal Hydride (NiMH)	Lithium-Ion (Li-Ion)
Technical detailsidentical
Number of tongue brushes includedKnown for one	Unknown — not stated by the source	2

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.