Product comparison · 2 electric toothbrushes

Philips Series 7500 HX7421 Rechargeable toothbrush vs Philips HX9834/91 electric toothbrush Adult Sonic toothbrush White

19specifications compared
5differ
14identical
29known for one product only

Key differences

The Philips HX9834/91 electric toothbrush Adult Sonic toothbrush White 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 HX9834/91 electric toothbrush Adult Sonic toothbrush White (504 h vs 336 h). Product colour: Black on the Philips Series 7500 HX7421 Rechargeable toothbrush, White on the Philips HX9834/91 electric toothbrush Adult Sonic toothbrush White. Number of brush heads included: 1 pc(s) on the Philips Series 7500 HX7421 Rechargeable toothbrush, 2 pc(s) on the Philips HX9834/91 electric toothbrush Adult Sonic toothbrush White.

Number of teeth brushing modes
- Series 7500 HX7421 Rechargeable toothbrush:4
- HX9834/91 electric toothbrush Adult Sonic toothbrush White:8
Product colour
- Series 7500 HX7421 Rechargeable toothbrush:Black
- HX9834/91 electric toothbrush Adult Sonic toothbrush White:White
Battery life (max)
- Series 7500 HX7421 Rechargeable toothbrush:504 h
- HX9834/91 electric toothbrush Adult Sonic toothbrush White:336 h
Number of brush heads included
- Series 7500 HX7421 Rechargeable toothbrush:1 pc(s)
- HX9834/91 electric toothbrush Adult Sonic toothbrush White:2 pc(s)

Side by side

Differences highlightedShow differences only

Comparison of HX7421/13, HX9834/91
48 specifications	A Philips Series 7500 HX7421 Rechargeable toothbrush Model HX7421/13 View product	B Philips HX9834/91 electric toothbrush Adult Sonic toothbrush White Model HX9834/91 View product
Features3 differ
Number of teeth brushing modesDiffers	4	8
Teeth brushing modesDiffers	Sensitive, Gum care, Whitening	Daily care, Deep clean, Gum care, Polishing, Whitening, Sensitive, Massage, Soft
Pressure sensorKnown for one	Yes	Unknown — not stated by the source
Product colourDiffers	Black	White
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
CompatibilityKnown for one	iPhone with Bluetooth 4.0 and above ; Android phones with Bluetooth 4.0 and above	Unknown — not stated by the source
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
AC input voltageKnown for one	100-240 V	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
Other featuresidentical
Warranty periodKnown for one	2 year(s)	Unknown — not stated by the source
Packaging content1 differ
Number of brush heads includedDiffers	1 pc(s)	2 pc(s)
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
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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