Product comparison · 2 electric toothbrushes

Philips Series 7500 HX7421 Rechargeable toothbrush vs Philips HX9905/81 electric toothbrush Adult Sonic toothbrush White, Black

21specifications compared
5differ
16identical
28known for one product only

Key differences

The Philips Series 7500 HX7421 Rechargeable toothbrush has 168 h more battery life (max) than the Philips HX9905/81 electric toothbrush Adult Sonic toothbrush White, Black (504 h vs 336 h). Product colour: Black on the Philips Series 7500 HX7421 Rechargeable toothbrush, White, Black on the Philips HX9905/81 electric toothbrush Adult Sonic toothbrush White, Black. Number of handles included: 1 pc(s) on the Philips Series 7500 HX7421 Rechargeable toothbrush, 2 pc(s) on the Philips HX9905/81 electric toothbrush Adult Sonic toothbrush White, Black. Number of brush heads included: 1 pc(s) on the Philips Series 7500 HX7421 Rechargeable toothbrush, 2 pc(s) on the Philips HX9905/81 electric toothbrush Adult Sonic toothbrush White, Black.

Product colour
- Series 7500 HX7421 Rechargeable toothbrush:Black
- HX9905/81 electric toothbrush Adult Sonic toothbrush White, Black:White, Black
Battery life (max)
- Series 7500 HX7421 Rechargeable toothbrush:504 h
- HX9905/81 electric toothbrush Adult Sonic toothbrush White, Black:336 h
Number of handles included
- Series 7500 HX7421 Rechargeable toothbrush:1 pc(s)
- HX9905/81 electric toothbrush Adult Sonic toothbrush White, Black:2 pc(s)
Number of brush heads included
- Series 7500 HX7421 Rechargeable toothbrush:1 pc(s)
- HX9905/81 electric toothbrush Adult Sonic toothbrush White, Black:2 pc(s)

Side by side

Differences highlightedShow differences only

Comparison of HX7421/13, HX9905/81
49 specifications	A Philips Series 7500 HX7421 Rechargeable toothbrush Model HX7421/13 View product	B Philips HX9905/81 electric toothbrush Adult Sonic toothbrush White, Black Model HX9905/81 View product
Features2 differ
Purpose	Adult	Adult
Toothbrush type	Sonic toothbrush	Sonic toothbrush
Adjustable speed	Yes	Yes
Number of speeds	3	3
Integrated timer	Yes	Yes
Timer duration modes	2 min, 4 x 30 sec	2 min, 4 x 30 sec
Number of teeth brushing modes	4	4
Teeth brushing modesDiffers	Sensitive, Gum care, Whitening	Deep clean, Daily care, Gum care, Whitening
Toothbrush frequency (pulsations)	62000 movements per minute	62000 movements per minute
Pressure sensor	Yes	Yes
Product colourDiffers	Black	White, Black
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	Yes	Yes
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
CompatibilityKnown for one	iPhone with Bluetooth 4.0 and above ; Android phones with Bluetooth 4.0 and above	Unknown — not stated by the source
Mobile app support	Yes	Yes
Brush change indicatorKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Power source	Battery	Battery
Battery operatedKnown for one	Yes	Unknown — not stated by the source
Battery type	Built-in battery	Built-in battery
AC input voltageKnown for one	100-240 V	Unknown — not stated by the source
Battery life (max)Differs	504 h	336 h
Battery low indication	Yes	Yes
RechargeableKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Warranty periodKnown for one	2 year(s)	Unknown — not stated by the source
Packaging content2 differ
Number of handles includedDiffers	1 pc(s)	2 pc(s)
Number of brush heads includedDiffers	1 pc(s)	2 pc(s)
Charger	Yes	Yes
Charging case	Yes	Yes
Included brush headsKnown for one	1 A3 Premium All-in-One	Unknown — not stated by the source
Number of chargersKnown for one	1	Unknown — not stated by the source
USB charger includedKnown for one	Yes	Unknown — not stated by the source
Number of charging casesKnown for one	Unknown — not stated by the source	2
Batteryidentical
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Battery level indicatorKnown for one	Yes	Unknown — not stated by the source
Rechargeable batteryKnown for one	Yes	Unknown — not stated by the source
Technical detailsidentical
Cleaning modesKnown for one	For exceptional everyday cleaning	Unknown — not stated by the source
TimerKnown for one	BrushPacer and Smartimer	Unknown — not stated by the source
Easy click-on brush headKnown for one	Yes	Unknown — not stated by the source
Gum Health modeKnown for one	Gently massages your gums	Unknown — not stated by the source
Operating time (Full to Empty)Known for one	21 days	Unknown — not stated by the source
Pressure feedbackKnown for one	Light ring illuminates purple; Vibration and pulsing sound	Unknown — not stated by the source
Replacement reminderKnown for one	BrushSync lets you know when to replace your brush head	Unknown — not stated by the source
Sensitive modesKnown for one	For sensitive teeth and gums	Unknown — not stated by the source
SmartimerKnown for one	None	Unknown — not stated by the source
Whitening modesKnown for one	To remove surface stains	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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