Oral-B iO Series 7: 3 of 6 decision facts sourced. Missing: Power, Capacity, Dimensions.
Oral-B iO Series 9: 3 of 6 decision facts sourced. Missing: Power, Capacity, Dimensions.
| Oral-B iO Series 7 | Oral-B iO Series 9 | |
|---|---|---|
| Price today | Price not yet checked | Price not yet checked |
| Weight | 1.1 pounds bestbuy.com | 1.85 pounds bestbuy.com |
| Warranty | 2 years bestbuy.com | 2 years bestbuy.com |
| Starting MSRP | $219.99 bestbuy.com | $329.99 bestbuy.com |
Not yet sourced — Oral-B iO Series 7: Power, Capacity, Dimensions. Oral-B iO Series 9: Power, Capacity, Dimensions. No manufacturer, official or retailer source we read publishes these yet; we don't estimate them.
Verdict: On the figures both makers publish, the iO Series 7 leads with lighter (1.1 lb vs 1.85 lb) and lower starting price ($219.99 vs $329.99). Neither publishes power, capacity or dimensions yet.
Oral-B iO Series 7 lists at $199.99 while Oral-B iO Series 9 lists at $299.99 — Oral-B iO Series 7 undercuts Oral-B iO Series 9 by $100 (50%).
Provisional pick: Oral-B iO Series 9 — not enough sourced decision facts for Oral-B iO Series 7 and Oral-B iO Series 9. We don't rank on specs we can't verify.
| Oral-B iO Series 7 | Oral-B iO Series 9 | |
|---|---|---|
| Weight | 1.1 pounds | 1.85 pounds |
| Warranty | 2 years | 2 years |
| Starting MSRP | $219.99 | $329.99 |
| Battery Chemistry | Lithium-ion | Lithium-ion |
| Compatible Replacement Brush Heads | iO Replacement head | iO Replacement head |
| Form Factor | Electric toothbrush | Electric toothbrush |
Provisional pick: Oral-B iO Series 9 — not enough sourced decision facts for Oral-B iO Series 7 and Oral-B iO Series 9.
The Oral-B iO Series 9 has a round oscillating head with micro-vibrations, 7 brushing modes, a pressure sensor, and a magnetic drive, while the Philips Sonicare DiamondClean 9000 uses sonic vibration up to 31,000 strokes per minute with 4 modes and a pressure sensor. At current prices the iO 9 costs around $280 versus $230 for the DiamondClean 9000; most reviews rate the Sonicare higher for gentleness and the Oral-B higher for plaque removal.
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