Philips Sonicare DiamondClean Smart 9500 vs Philips Sonicare 4100
Head-to-head comparison based on trust scores, features, pricing, and real user feedback.
Our pick: Philips Sonicare DiamondClean Smart 9500 (Trust Score 8.8 vs 8.5)
8.8
Excellent
Best Sonic Technology
Pros
- +Brush head recognition auto-adjusts intensity automatically
- +62,000 sonic movements per minute for deep cleaning
- +Premium glass travel case charges via USB-C
Cons
- −Sonicare app is less intuitive than Oral-B's
- −Higher-priced replacement heads
Don't buy if
- ⚠ Aggressive sonic action can worsen receding gums — use Sensitive mode if you have gum recession
8.5
Excellent
Best Budget Sonic
Pros
- +Built-in pressure sensor at under $50
- +Quadpacer ensures equal time on all four jaw quadrants
- +2-week battery life on a single charge
Cons
- −Single cleaning mode only
- −No Bluetooth or coaching features
Don't buy if
- ⚠ Very few — this is one of the most widely recommended entry-level electric toothbrushes