Philips HX9912/77 DiamondClean Smart Sonic Electric Toothbrush

The Philips DiamondClean Smart electric toothbrush uses smart sensor guidance to coach you into better brushing habits. A pressure sensor alerts you when you press too hard, protecting your gums and enamel. Multiple brushing modes let you tailor your clean, while the long-lasting battery keeps up with your routine.

  • 8 variants
  • Pressure sensor
Price range $304 – $775
Price spread ~155% Across new variants

Available variants (8)

Choose a variant, then open its detail page for seller-specific information.

DiamondClean Smart Sonic Electric Toothbrush — Electric Toothbrush, Philips

HX9912/77

Joom
Price $304.10
Updated Mar 29, 2026
Available to order
Type
Sonic Electric Toothbrush
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DiamondClean Smart Sonic Electric Toothbrush — Electric Toothbrush, Philips

HX9954/52

Joom
Price $395.61
Updated Feb 15, 2026
Available to order
Model
DiamondClean Smart HX9954/52
Product Type
Sonic Electric Toothbrush
View variant
Smart Electric Toothbrush — Electric Toothbrush, Philips

White

Joom
Price $368.36
Updated Mar 10, 2026
Available to order
Model
DiamondClean Smart
Type
Electric Toothbrush
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DiamondClean Smart Electric Toothbrush — Electric Toothbrush, Philips
Price $424.22
Updated Mar 26, 2026
Available to order
Model
Sonicare DiamondClean Smart
Product Type
Electric Toothbrush
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Electric Toothbrush — Electric Toothbrush, Philips

Standard

Joom
Price $321.32
Updated Feb 15, 2026
Available to order
Model
DiamondClean Smart
Type
Electric Toothbrush
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Variant comparison

Compare prices, availability, and key variant differences in one table.

Feature White, 14 days battery, 5 modes, 3 intensities, Travel Case HX9912/77 White with Touchscreen, Bluetooth, 4 Modes, 2 Brush Heads, IPX7 HX9954/52 White Burgundy Red, Sonic AI Travel Case Standard
Price $319.82 $304.10 $555.73 $395.61 $368.36 $774.82 $424.22 $321.32
Updated Feb 7, 2026 Mar 29, 2026 Feb 15, 2026 Feb 15, 2026 Mar 10, 2026 Apr 16, 2026 Mar 26, 2026 Feb 15, 2026
Availability Available to order Available to order Available to order Available to order Available to order Available to order Available to order Available to order
Model HX9996 DiamondClean Smart HX9954/52 DiamondClean Smart DiamondClean Smart AI Sonicare DiamondClean Smart DiamondClean Smart
Product Type Electric Toothbrush Electric Toothbrush Sonic Electric Toothbrush Electric Toothbrush
Type Sonic Electric Toothbrush Electric Toothbrush Sonic Electric Toothbrush Electric Toothbrush
Color Black Burgundy Red
Model Number HX9912/77 HX9997/66
Product Line DiamondClean Smart Sonicare

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Overview

Compare Philips HX9912/77 DiamondClean Smart Sonic Electric Toothbrush variants, pricing tiers and key differences.

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How variants differ

  • Model
  • Product Type
  • Type

Who each variant is for

  • Start with your budget: the visible price spread across variants is about 155%.

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