Home / Health & personal care / Electric toothbrushes / Compare
Oral-B Genius X vs Oral-B iO Series 5 vs Philips Sonicare ProtectiveClean 4100
Too close to call: the right one depends on your home.
The verdict in 10 seconds
The Oral-B Genius X suits you if
- You want a deep clean and real-time feedback on spots you miss
- You already own Oral-B brush heads or want cheaper refills
- You travel often and would use a case that charges your brush and phone
Skip it if
- You have sensitive gums and want a gentle brush
- You want a quiet brush or a sleek, modern look
- You share one handle with family and want each person's brushing tracked separately
The Oral-B iO Series 5 suits you if
- You have sensitive gums and want a softer, gentler feel
- You tend to brush too hard and want a warning light
- You want smart coaching without paying for the top-tier model
Skip it if
- You want cheap replacement heads
- You travel often and hate frequent or slow charging
- You have a small or crowded mouth and prefer a compact head
The Philips Sonicare ProtectiveClean 4100 suits you if
- You're new to electric toothbrushes and want something simple to start with
- You have sensitive gums and want a brush that eases you in gently
- You want strong cleaning and the essential features without paying for extras
Skip it if
- You travel often and want a case and a compact charger
- You want cheap replacement heads over the long run
- Long-term durability matters more to you than upfront price
So, which one?
These are closely matched, so pick by what your home needs. The Oral-B Genius X suits you if you want a deep clean and real-time feedback on spots you miss. The Oral-B iO Series 5 suits you if you have sensitive gums and want a softer, gentler feel. The Philips Sonicare ProtectiveClean 4100 suits you if you're new to electric toothbrushes and want something simple to start with.
We researched 13 expert reviews, analyzed 63,054 owner ratings and comments across 12 sources for the three, and cross-checked them into one verdict, so you don't have to.
Show me the receipts
The scoreboardProduct Review score 74 vs 81 vs 81 · reliability 65 vs 75 vs 60
| Oral-B Genius X | Oral-B iO Series 5 | Philips Sonicare ProtectiveClean 4100 | |
|---|---|---|---|
| Product Review score | 74 | 81 | 81 |
| Experts | 78 | 87 | 89 |
| Owners | 73 | 77 | 84 |
| Reliability | 65 | 75 | 60 |
| Report problems | 14% | 10% | 16% |
| Evidence | 6 reviews · 83 comments | 3 reviews · 489 comments | 4 reviews · 143 comments |
| Typical price | $200–$250 | $96–$120 | $40–$50 |
● marks the better number on each row.
Experts vs ownersExperts 78 vs 87 vs 89 · Owners 73 vs 77 vs 84
Oral-B Genius X
Oral-B iO Series 5
Philips Sonicare ProtectiveClean 4100
How we reached each verdictThe numbers behind each model's score
Oral-B Genius X
This verdict rests on 6 expert sources, 5 of them hands-on, plus 83 owner comments, and we rate our overall confidence as low. Thorough cleaning is the strongest theme: 4 of 5 hands-on reviewers praise it, and 17% of owners mention good cleaning. 4 reviewers call its position tracking very accurate. The downsides come up repeatedly too. 3 of 5 hands-on testers found it aggressive on gums and 3 called it loud. 12% of owners complain about the app, and 14% mention a failure, including 6% whose brush broke or died. Retail scores are strong, at 4.5 stars across 2,239 Google votes, but the long-term reliability evidence is thin.
Oral-B iO Series 5
Across 3 hands-on expert reviews (2 with published scores) and 489 owner comments, cleaning performance is the clear strength: all 3 reviewers praise it, as do 49% of owners, and 14% of owners specifically call it gentle. The recurring drawbacks are cost and battery: all 3 reviewers note the high price or expensive iO-only heads (about $12 each versus roughly $5 for standard Oral-B heads), and all 3 flag slow charging (about 12 to 16 hours) or modest battery life of about two weeks or a little more, echoed by 6% of owners. Reliability looks reasonable, with failures mentioned in 10% of comments and 3% of owners saying their brush broke or died. Retail ratings are strong at 4.4 stars on Amazon (417 votes) and 77% five-star across about 5,600 ratings, but the expert pool is small, so confidence is medium.
Philips Sonicare ProtectiveClean 4100
Of the 4 expert sources, 3 tested it hands-on and all 3 praised its cleaning. The fourth, Consumer Reports, showed no visible conclusions. Owners agree: 48% of 143 comments praise cleaning and 18% praise value, and it holds 4.6 stars across about 55,500 Amazon ratings. Reliability is the weak spot, scoring 60: 16% of comments mention failures, 10% say the brush broke or died, and 4% report charger problems. Battery evidence is mixed, ranging from about 2 weeks on high intensity to 49.5 days measured by one tester, and expert coverage is thin with only 2 published scores, so confidence is medium.
Where each one falls shortThe most common complaints
Oral-B Genius X
- Loud motor
- Rough on gums, even in gentler modes
- Finicky app syncing and a slow charge of about 12 hours
Oral-B iO Series 5
- Very slow charging, about 12 to 16 hours
- Battery life of about two weeks, shorter than many rivals
- Pricey iO-only replacement heads
Philips Sonicare ProtectiveClean 4100
- Some units break, die, or have charger problems
- Slow charging (up to 24 hours) and no travel case
- Replacement heads are expensive, and there's no light showing the current intensity
Questions people actually ask
Which is better, the Oral-B Genius X or the Oral-B iO Series 5 or the Philips Sonicare ProtectiveClean 4100?
Neither, clearly. They're closely matched, so choose by your floors, pets and budget.
Based on: Product Review score 74 vs 81 vs 81.Which is more reliable?
The Oral-B iO Series 5. It's the least likely of the three to give you trouble.
Based on: Reliability 65 vs 75 vs 60; problems mentioned by 14% vs 10% vs 16% of owners.Which is easier to live with day to day?
The Philips Sonicare ProtectiveClean 4100. It's the one people are happiest with once it's home.
Based on: Owners score 73 vs 77 vs 84, from ratings and comments.Which is cheaper?
The Philips Sonicare ProtectiveClean 4100 usually costs less.
Based on: Typical prices: Oral-B Genius X $200–$250; Oral-B iO Series 5 $96–$120; Philips Sonicare ProtectiveClean 4100 $40–$50.As an Amazon Associate we earn from qualifying purchases. It never changes a score.