Verdict: The DiamondClean Smart 9700 with a new gum‑health mode and a more sensitive pressure sensor, delivering slightly better cleaning performance (Consumer Reports). Both brush heads last the same amount of time and share a 14‑day battery life (Consumer Reports). However, the 9700 costs about $50 more, so budget‑conscious users may prefer the 9500 (Consumer Reports).
Winner: Philips Sonicare DiamondClean Smart 9700
Philips Sonicare DiamondClean Smart 9500: 7.5/10
Philips Sonicare DiamondClean Smart 9700: 8.2/10
| Philips Sonicare DiamondClean Smart 9500 | Philips Sonicare DiamondClean Smart 9700 | |
|---|---|---|
| Cleaning modes | 5 (per Philips) | 5 (per Philips) |
| Battery life | 14 days (per Consumer Reports) | 14 days (per Consumer Reports) |
| Pressure sensor | Yes (per RTINGS) | Enhanced sensitivity (per Consumer Reports) |
| App connectivity | Bluetooth (per CNET) | — |
| Gum health mode | — | Added (per RTINGS) |
Our pick: Philips Sonicare DiamondClean Smart 9700.
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