Product comparison · 2 electric toothbrushes

Philips Series 7500 HX7421 Rechargeable toothbrush vs Philips DiamondClean 9900 Prestige HX9815/92 Rechargeable Toothbrush

35specifications compared
8differ
27identical
18known for one product only

Key differences

The Philips DiamondClean 9900 Prestige HX9815/92 Rechargeable Toothbrush has 4 more teeth brushing modes than the Philips Series 7500 HX7421 Rechargeable toothbrush (8 vs 4). The Philips Series 7500 HX7421 Rechargeable toothbrush has 168 h more battery life (max) than the Philips DiamondClean 9900 Prestige HX9815/92 Rechargeable Toothbrush (504 h vs 336 h). The Philips Series 7500 HX7421 Rechargeable toothbrush has 7 days more operating time (Full to Empty) than the Philips DiamondClean 9900 Prestige HX9815/92 Rechargeable Toothbrush (21 days vs 14 days). Number of brush heads included: 1 pc(s) on the Philips Series 7500 HX7421 Rechargeable toothbrush, 4 pc(s) on the Philips DiamondClean 9900 Prestige HX9815/92 Rechargeable Toothbrush. Included brush heads: 1 A3 Premium All-in-One on the Philips Series 7500 HX7421 Rechargeable toothbrush, 4 A3 All-in-One on the Philips DiamondClean 9900 Prestige HX9815/92 Rechargeable Toothbrush.

Number of teeth brushing modes
- Series 7500 HX7421 Rechargeable toothbrush:4
- DiamondClean 9900 Prestige HX9815/92 Rechargeable Toothbrush:8
Battery life (max)
- Series 7500 HX7421 Rechargeable toothbrush:504 h
- DiamondClean 9900 Prestige HX9815/92 Rechargeable Toothbrush:336 h
Number of brush heads included
- Series 7500 HX7421 Rechargeable toothbrush:1 pc(s)
- DiamondClean 9900 Prestige HX9815/92 Rechargeable Toothbrush:4 pc(s)
Included brush heads
- Series 7500 HX7421 Rechargeable toothbrush:1 A3 Premium All-in-One
- DiamondClean 9900 Prestige HX9815/92 Rechargeable Toothbrush:4 A3 All-in-One
Gum Health mode
- Series 7500 HX7421 Rechargeable toothbrush:Gently massages your gums
- DiamondClean 9900 Prestige HX9815/92 Rechargeable Toothbrush:Gently comforting your gums
Operating time (Full to Empty)
- Series 7500 HX7421 Rechargeable toothbrush:21 days
- DiamondClean 9900 Prestige HX9815/92 Rechargeable Toothbrush:14 days

Side by side

Differences highlightedShow differences only

Comparison of HX7421/13, HX9815/92
53 specifications	A Philips Series 7500 HX7421 Rechargeable toothbrush Model HX7421/13 View product	B Philips DiamondClean 9900 Prestige HX9815/92 Rechargeable Toothbrush Model HX9815/92 View product
Features2 differ
Number of teeth brushing modesDiffers	4	8
Teeth brushing modesDiffers	Sensitive, Gum care, Whitening	Sensitive, Gum care, Deep clean, Whitening, Polishing
Pressure sensorKnown for one	Yes	Unknown — not stated by the source
Handle colourKnown for one	Black	Unknown — not stated by the source
Brush shapeKnown for one	Oval	Unknown — not stated by the source
Handle(s) featuresKnown for one	Ergonomic	Unknown — not stated by the source
Indication lightKnown for one	Yes	Unknown — not stated by the source
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Smart pressure sensorKnown for one	Unknown — not stated by the source	Yes
Brush change indicatorKnown for one	Unknown — not stated by the source	Yes
Display includedKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Battery operatedKnown for one	Yes	Unknown — not stated by the source
Battery life (max)Differs	504 h	336 h
Battery low indicationKnown for one	Yes	Unknown — not stated by the source
Charging baseKnown for one	Unknown — not stated by the source	Yes
Packaging content2 differ
Number of brush heads includedDiffers	1 pc(s)	4 pc(s)
Included brush headsDiffers	1 A3 Premium All-in-One	4 A3 All-in-One
USB charger includedKnown for one	Yes	Unknown — not stated by the source
Number of charging casesKnown for one	Unknown — not stated by the source	1
Technical details3 differ
Gum Health modeDiffers	Gently massages your gums	Gently comforting your gums
Operating time (Full to Empty)Differs	21 days	14 days
Pressure feedbackKnown for one	Light ring illuminates purple; Vibration and pulsing sound	Unknown — not stated by the source
Replacement reminderDiffers	BrushSync lets you know when to replace your brush head	Lets you know when to replace your brush head
Whitening modesKnown for one	To remove surface stains	Unknown — not stated by the source
Deep clean modeKnown for one	Unknown — not stated by the source	Yes
Glass chargerKnown for one	Unknown — not stated by the source	Yes

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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