Product comparison · 2 electric toothbrushes

Philips Sonicare FlexCare+ Sonic electric toothbrush HX6921/43 vs Philips Sonicare HX8391/02 AirFloss Pro/Ultra - Interdental cleaner

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  • 24specifications compared
  • 7differ
  • 17identical
  • 13known for one product only

Key differences

  • Toothbrush frequency (oscillations)
    • Sonicare FlexCare+ Sonic electric toothbrush HX6921/43:31000 movements per minute
    • Sonicare HX8391/02 AirFloss Pro/Ultra - Interdental cleaner:62000 movements per minute
  • Product colour
    • Sonicare FlexCare+ Sonic electric toothbrush HX6921/43:Green, White
    • Sonicare HX8391/02 AirFloss Pro/Ultra - Interdental cleaner:Pink, White
  • Display included
    • Sonicare FlexCare+ Sonic electric toothbrush HX6921/43:Yes
    • Sonicare HX8391/02 AirFloss Pro/Ultra - Interdental cleaner:No
  • Irrigator
    • Sonicare FlexCare+ Sonic electric toothbrush HX6921/43:No
    • Sonicare HX8391/02 AirFloss Pro/Ultra - Interdental cleaner:Yes
  • AC input voltage
    • Sonicare FlexCare+ Sonic electric toothbrush HX6921/43:110-220 V
    • Sonicare HX8391/02 AirFloss Pro/Ultra - Interdental cleaner:Multi-oltage charger
  • Flosser included
    • Sonicare FlexCare+ Sonic electric toothbrush HX6921/43:No
    • Sonicare HX8391/02 AirFloss Pro/Ultra - Interdental cleaner:Yes

Side by side

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Comparison of HX6921/43, HX8391/02
37 specifications
Features5 differ
PurposeAdultAdult
Toothbrush typeSonic toothbrushSonic toothbrush
Adjustable speedYesYes
Toothbrush frequency (oscillations)Differs31000 movements per minute62000 movements per minute
Integrated timerYesYes
Number of teeth brushing modes55
Teeth brushing modesDiffersDaily care, Gum care, Massage, WhiteningDaily care, Gum care, Sensitive, Whitening, Polishing
Product colourDiffersGreen, WhitePink, White
Display includedDiffersYesNo
Display typeKnown for oneUnknown — not stated by the sourceLED
Backlight displayKnown for oneUnknown — not stated by the sourceYes
Handle(s) featuresErgonomicErgonomic
Indication lightYesYes
LED indicatorsYesYes
Recharge indicatorYesYes
Handles quantityKnown for oneUnknown — not stated by the source1
IrrigatorDiffersNoYes
ReplacementKnown for oneUnknown — not stated by the sourceYes
Timer duration modesKnown for one2 minUnknown — not stated by the source
Handle colourKnown for oneGreen, WhiteUnknown — not stated by the source
BluetoothKnown for oneNoUnknown — not stated by the source
Power1 differ
Power sourceAC/BatteryAC/Battery
Battery typeBuilt-inBuilt-in
AC input frequencyKnown for oneUnknown — not stated by the sourceMulti-voltage charger
AC input voltageDiffers110-220 VMulti-oltage charger
Battery life (max)504 h504 h
Charging baseYesYes
RechargeableYesYes
Packaging content1 differ
Number of handles included1 pc(s)1 pc(s)
Number of brush heads included1 pc(s)1 pc(s)
Flosser includedDiffersNoYes
Travel caseKnown for oneUnknown — not stated by the sourceYes
ChargerKnown for oneUnknown — not stated by the sourceYes
Number of chargersKnown for oneUnknown — not stated by the source1
Batteryidentical
Battery technologyLithium-Ion (Li-Ion)Lithium-Ion (Li-Ion)
Battery level indicatorKnown for oneUnknown — not stated by the sourceYes
Technical detailsidentical
Number of nozzlesKnown for oneUnknown — not stated by the source1

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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