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Deal.ai › Compare

Oral-B iO Series 5 Electric Toothbrush vs Philips Sonicare DiamondClean 9000

The Oral-B iO Series 5 is the better pick for most people deciding between these two. It has a round oscillating head with a magnetic drive, a smart pressure sensor that visibly warns you, and an interactive display that coaches you in real time. The Sonicare DiamondClean 9000 counters with three intensity levels, a USB-C charging travel case and a longer two-year warranty, and its sonic action suits people who find round heads harsh. Owners rate the iO higher on average, while the Sonicare's larger review base is more mixed.

  • Choose the Oral-B iO Series 5 if you want the most guided clean, with a display and pressure feedback that tell you when you brush too hard.
  • Choose the Philips Sonicare DiamondClean 9000 if you prefer a sonic brush with adjustable intensity and a travel case that charges over USB.

Prices

  • Oral-B iO Series 5 Electric Toothbrush: $134.99 at DoorDash (last seen Nov 10)
  • Philips Sonicare DiamondClean 9000: $177.74 at Tiny Lux (last seen Nov 10)
  • Difference: the Oral-B iO Series 5 Electric Toothbrush is $42.75 cheaper than the Philips Sonicare DiamondClean 9000 at the latest prices (Nov 10)
Oral-B
Oral-B iO Series 5 Rechargeable Electric Toothbrush

Oral-B iO Series 5 Electric Toothbrush

Oral-B iO Series 5 Rechargeable Electric Toothbrush

4.4(515 ratings)
$134.99at DoorDashChecked Nov 10
See all prices and details
Visit DoorDash
Pros
  • Interactive display gives live feedback on mode and pressure
  • Smart pressure sensor helps prevent over-brushing
  • Five modes cover daily clean, sensitive and whitening needs
  • Magnetic drive feels smooth and quiet for a round-head brush
  • App tracks brushing position with AI
Cons
  • Travel pouch does not charge the brush
  • Only one brush head included
  • No separate intensity levels
  • Replacement iO heads cost more than basic heads
Philips Sonicare
Philips Sonicare DiamondClean 9000 Electric Toothbrush

Philips Sonicare DiamondClean 9000

Philips Sonicare DiamondClean 9000 Electric Toothbrush

4.1(1,179 ratings)
$177.74at Tiny LuxChecked Nov 10
See all prices and details
Visit Tiny Lux

Store links may earn us a commission. Price via Klarna.

Pros
  • Three intensity levels let you soften the clean
  • Travel case charges over USB, handy on trips
  • Four modes including gum massage and whitening
  • Two-year warranty
  • Works on 100-240 V for international travel
Cons
  • No display on the handle
  • Vibrating pressure alert is less obvious than a visual warning
  • Rated battery runtime is short at 0.90 h
  • Lower average owner rating than the iO Series 5

What separates them

Oral-B iO Series 5 Electric ToothbrushPhilips Sonicare DiamondClean 9000
Cleaning actionRound oscillating-rotating head with magnetic driveSonic side-to-side motion with 31,000 strokes and 62,000 pulsations per minute
Modes and intensity5 brushing modes, no separate intensity setting4 modes plus 3 intensity levels
Pressure feedbackSmart pressure sensor with visible warning on the displayVibrating handle alert when you press too hard
On-brush displayInteractive display shows mode, pressure and brushing timeNo display; status shown through handle lights and the app
Travel caseMagnetic travel pouch, no charging insideHard travel case that charges the brush over USB
Battery and chargingLithium-ion battery, magnetic chargerRated 0.90 h runtime, charging station, 100-240 V
App coachingAI position tracking through the appSonicare app with coaching and progress reports
WarrantyStandard Oral-B warranty2-year warranty stated by Philips

Price history

$179.96$52.69
Nov 5Nov 12
  • Oral-B iO Series 5 Electric Toothbrush: lowest $55.00 on Nov 12 at vipoutlet.com.
  • Philips Sonicare DiamondClean 9000: lowest $52.69 on Nov 9 at eBay; $177.74 on Nov 11.

Prices at every store

Oral-B iO Series 5 Electric Toothbrush

  • DoorDashNew

    Availability unknownSold by Walgreens US

    $134.99Checked Nov 10
    Visit DoorDash

Also available at

  • Sam's ClubCheck price at Sam's Club
  • TargetCheck price at Target
  • vipoutlet.comCheck price at vipoutlet.com
Prices and history →

Philips Sonicare DiamondClean 9000

  • eBayNew

    In stock

    $52.69Free shippingChecked Nov 9
    Visit eBay
  • Tiny LuxNew

    In stock

    $177.74Checked Nov 10
    Visit Tiny Lux
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $179.96Free shippingChecked Nov 10
    Visit Amazon
  • LambdaTekNew

    Availability unknownShips from abroad · duties may apply

    $189.14Checked Nov 9
    Visit LambdaTek

Store links may earn us a commission. Some prices via Klarna.

All 5 stores and price history →

Specs compared

SpecOral-B iO Series 5 Electric ToothbrushPhilips Sonicare DiamondClean 9000
Pressure sensorSmart Pressure Sensorvibrating pressure sensor
ColorBlackBlue
Brushing modes5 Smart Brushing Modes—
ConnectivityBluetooth® Connectivity—
Timer2-minute timer—
Battery typelithium-ion—
Included brush head1 Oral-B iO Ultimate Clean Replacement Brush He…—
Included charger1-Magnetic Charger—
Included travel case1 Magnetic Travel Pouch—
DisplayInteractive Display—
Timer intervalsfour 30-second intervals—
TypeElectric—
Show all 32 specsShow fewer specs
SpecOral-B iO Series 5 Electric ToothbrushPhilips Sonicare DiamondClean 9000
RechargeableYes—
Cleaning modes—4 modes and 3 intensities
App connectivity—Sonicare app for coaching and progress reports
Travel case—USB charging travel case
Warranty—2 year warranty
Bluetooth—Bluetooth
Battery life—0.90 h
Charging variant—Charging station
Mains voltage—100 - 240 V
Height

What reviewers say

Oral-B iO Series 5 Electric Toothbrush

  • 4.4 / 5515 ratings

Owners rate the iO Series 5 highly, praising the clean feel, the quiet magnetic motor and the pressure sensor that stops them scrubbing. Complaints center on the single included head and the cost of iO replacements.

What people mention
  • CleaningPraisedOwners say teeth feel cleaner and gums look healthier within the first week.
  • Pressure sensorPraisedReviewers like the light-and-vibration warning that stops them pressing too hard.
  • NoisePraisedThe magnetic motor is described as quieter and less buzzy than older Oral-B models.
  • Brush headsCriticisedBuyers note only one head is included and iO replacements cost more than standard heads.

Philips Sonicare DiamondClean 9000

  • 4.1 / 51,179 ratings

Owners generally rate the DiamondClean 9000 highly for its cleaning power and pressure feedback. Common complaints center on battery runtime and the price of replacement heads.

What people mention
  • Cleaning powerPraisedOwners say teeth feel noticeably cleaner than with basic brushes.
  • Pressure sensorPraisedUsers report the vibration warning helps them stop brushing too hard.
  • Battery lifeCriticisedReviewers say it needs charging about every two weeks, shorter than some rivals.
  • AppMixed
Reviews
  • Best Electric Toothbrushes of 2026, Expert Tested

Questions and answers

Which is better for sensitive gums?
The Sonicare DiamondClean 9000, because its three intensity levels let you dial the power down. The iO Series 5 relies on its pressure sensor and a sensitive mode instead.
Which cleans better?
Both are clinically proven against a manual brush, and independent tests generally put oscillating-rotating and sonic heads close together. Pick the motion you find comfortable, since you will brush more consistently with it.
Which lasts longer?
The Sonicare carries a stated two-year warranty, which is the clearer longevity promise here. The iO Series 5 has no published runtime figure, so judge it by owner reports and Oral-B's standard warranty terms.
Is the iO Series 5 worth stepping up to from a basic brush?
Yes if you want guidance. The display and pressure sensor change how you brush, which basic brushes do not offer.
Do both have app coaching?
Yes. The iO Series 5 uses AI to detect brushing position, and the Sonicare app gives coaching and progress reports. Neither app is required to use the brush.
Which is better for travel?
The Sonicare, because its case charges over USB and the charger handles 100-240 V. The iO Series 5 ships with a pouch that only protects the brush.

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More comparisons

  • Oral-B iO Series 5 Rechargeable Electric Toothbrush vs Oral-B iO10
  • Oral-B iO10 vs Philips Sonicare DiamondClean 9000 Electric Toothbrush

Buying guides that pick them

  • Best electric toothbrushes
—
23 cm
Weight—300 g
Cleaning programmes—Daily clean, Deep clean, Gum massage, Whitening
Movement Type—Oscillating, Rotating, Pulsating
Weight (oz)—23.3
Oscillating Movements/min (pcs)—31000
Rechargeable Battery—Yes
Power Source—Rechargeable Battery
Brush Modes (pcs)—4
Pulsations/min (pcs)—62000
Brush Speeds (pcs)—3
Some find the coaching useful; others find pairing and syncing unreliable.