Philips Sonicare DiamondClean VS Oral-B iO Series 9

Published October 13, 2025 • 10 min read • 2 views

Head-to-Head Comparison

Philips Sonicare DiamondClean
Philips Sonicare DiamondClean
$250
Price at launch or current MSRP
Overall Winner
Oral-B iO Series 9
Oral-B iO Series 9
$300
Price at launch or current MSRP

The Philips Sonicare DiamondClean and the Oral-B iO Series 9 are both high-end electric toothbrushes that offer advanced features for a premium dental care experience. While the Philips Sonicare DiamondClean is renowned for its thorough cleaning technology, the Oral-B iO Series 9 introduces innovative sonic and pressure-sensing capabilities to optimize brushing effectiveness.

Quick Specs Comparison

Specification Philips Sonicare DiamondClean Oral-B iO Series 9
Cleaning Modes 5 modes (Sonic Care, White+, Gum Care, Deep Clean, Sensitive) 6 modes (Daily Clean, Sensitivity, Fresh Breath, Gum Health, Intense Clean, Sensitive)
Brush Head Connectivity Connects via Bluetooth for tracking Connects via Bluetooth and proprietary app for real-time feedback
Pressure Sensing No pressure sensing Built-in sensor to prevent over-brushing
Battery Life Up to two weeks on a single charge Up to three weeks on a single charge
Water Resistance IPX7 water-resistant IP67 dust and water resistant
Price $250 $300

Overall Scores

Philips Sonicare DiamondClean

8.7
WINNER
Cleaning Effectiveness 9.2/10
Ease of Use 9.4/10
Longevity 8.6/10
Design Aesthetics 8.5/10
Value for Money 8.3/10

Oral-B iO Series 9

8.5
RUNNER-UP
Cleaning Effectiveness 9/10
Ease of Use 9.1/10
Longevity 9.3/10
Design Aesthetics 8.2/10
Value for Money 7.7/10

Detailed Analysis

Cleaning Effectiveness

Winner: Philips Sonicare DiamondClean

The Philips Sonicare DiamondClean excels with its five advanced brushing modes and proven sonic technology, delivering superior plaque removal compared to the Oral-B iO Series 9.

User Experience & Design

Winner: Philips Sonicare DiamondClean

The Philips Sonicare DiamondClean offers a sleek, intuitive design and easy-to-use interface with Bluetooth connectivity for brush head tracking, outperforming the Oral-B iO Series 9 in user-friendliness.

Battery Life & Longevity

Winner: Oral-B iO Series 9

The Oral-B iO Series 9 stands out with its longer battery life and robust build, providing up to three weeks of use per charge compared to two for the Philips Sonicare DiamondClean.

Pressure Sensing & Feedback

Winner: Oral-B iO Series 9

The Oral-B iO Series 9 includes pressure sensing technology that provides real-time feedback to prevent over-brushing, a feature not available in the Philips Sonicare DiamondClean.

Final Verdict

The Philips Sonicare DiamondClean emerges as the top choice for its superior cleaning modes and user-friendly design, although it falls slightly short in battery longevity compared to the Oral-B iO Series 9.

Choose Philips Sonicare DiamondClean if:

  • Superior cleaning effectiveness
  • User-friendly interface with Bluetooth connectivity
  • Affordable price point

Choose Oral-B iO Series 9 if:

  • Longer battery life and robust build quality
  • Advanced pressure sensing technology for optimal brushing habits
  • Proprietary app integration for personalized dental care tracking

Where to Buy

Philips Sonicare DiamondClean

$250

Price at launch or current MSRP

Oral-B iO Series 9

$300

Price at launch or current MSRP

Prices may vary by retailer and configuration