Oral-B iO Series 7 Electric Toothbrush Black Onyx vs Oral-B iO Series 9 Electric Toothbrush
Decision sheet: the facts that decide it
Oral-B iO Series 7 Electric Toothbrush Black Onyx: 3 of 6 decision facts sourced. Missing: Power, Capacity, Dimensions.
Oral-B iO Series 9 Electric Toothbrush: 3 of 6 decision facts sourced. Missing: Power, Capacity, Dimensions.
| Oral-B iO Series 7 Electric Toothbrush Black Onyx | Oral-B iO Series 9 Electric Toothbrush | |
|---|---|---|
| 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 Electric Toothbrush Black Onyx: Power, Capacity, Dimensions. Oral-B iO Series 9 Electric Toothbrush: Power, Capacity, Dimensions. No manufacturer, official or retailer source we read publishes these yet; we don't estimate them.
Pick Oral-B iO Series 7 Electric Toothbrush Black Onyx if
- Lighter — 1.1 lb vs 1.85 lb (bestbuy.com, bestbuy.com)
- Lower starting price — $219.99 vs $329.99 (bestbuy.com, bestbuy.com)
Skip both if
- Neither publishes power, capacity or dimensions yet.
Verdict: On the figures both makers publish, the iO Series 7 Electric Toothbrush Black Onyx 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.
Provisional pick: Oral-B iO Series 9 Electric Toothbrush — not enough sourced decision facts for Oral-B iO Series 7 Electric Toothbrush Black Onyx and Oral-B iO Series 9 Electric Toothbrush. We don't rank on specs we can't verify.
Spec-by-spec comparison
| Oral-B iO Series 7 Electric Toothbrush Black Onyx | Oral-B iO Series 9 Electric Toothbrush | |
|---|---|---|
| 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 |
Oral-B iO Series 7 Electric Toothbrush Black Onyx
What works
- Costs $110 less than the Series 9
- Lighter weight body at 1.1 pounds
- Includes pressure sensor indicator light
What doesn't
- Comes with 2 brush heads compared to 4
Oral-B iO Series 9 Electric Toothbrush
What works
- Includes 7 brushing modes
- Features pressure sensor indicator light
What doesn't
- Priced higher at $329.99
- Heavier unit weight of 1.85 pounds
Bottom line
Provisional pick: Oral-B iO Series 9 Electric Toothbrush — not enough sourced decision facts for Oral-B iO Series 7 Electric Toothbrush Black Onyx and Oral-B iO Series 9 Electric Toothbrush.
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