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Dyson V12 Detect Slim vs Dyson V8
The Dyson V12 Detect Slim comes out ahead for most homes.
The verdict in 10 seconds
The Dyson V12 Detect Slim suits you if
- You live in a smaller home or apartment with mostly hard floors
- You want something light enough to carry up stairs and into the car
- You have pets that shed on the couch and other upholstery
Skip it if
- Your home is mostly thick or deep-pile carpet
- You'd rather not empty the bin during every cleaning session
- Long-term durability is your top priority
The Dyson V8 suits you if
- You live in an apartment or a smaller home
- You have pets or carpets and rugs to keep hair-free
- You want something light for quick cleanups, stairs and the car
Skip it if
- You have a large home to clean in one go
- You mostly have hard floors with bigger crumbs and spills
- You want auto-adjusting suction, a screen or a swappable battery
So, which one?
The Dyson V12 Detect Slim is the stronger all-rounder of the two. The Dyson V8 is still the better fit if you live in an apartment or a smaller home.
We researched 14 expert reviews, analyzed 154,687 owner ratings and comments across 13 sources for the two, and cross-checked them into one verdict, so you don't have to.
Show me the receipts
The scoreboardProduct Review score 78 vs 66 · reliability 58 vs 42
| Dyson V12 Detect Slim | Dyson V8 | |
|---|---|---|
| Product Review score | 78 | 66 |
| Experts | 81 | 69 |
| Owners | 84 | 75 |
| Reliability | 58 | 42 |
| Report problems | 17% | 23% |
| Evidence | 8 reviews · 507 comments | 6 reviews · 524 comments |
| Typical price | $500–$650 | $350–$520 |
● marks the better number on each row.
Experts vs ownersExperts 81 vs 69 · Owners 84 vs 75
Dyson V12 Detect Slim
Dyson V8
How we reached each verdictThe numbers behind each model's score
Dyson V12 Detect Slim
Seven of 8 expert sources tested the V12 Detect Slim hands-on, and they broadly agree it is a light, maneuverable vacuum that excels on hard floors, with an expert score of 81. Owners are positive too (owner score 84 from 507 comments): 45% praise the light weight and 36% the suction, while 16% complain about the small bin. Reliability is the weak spot, scoring 58, with 17% of owner comments mentioning failures and 5% describing a unit that broke or died. Retail ratings are strong overall (87 from 33,118 votes, with 21,772 five-star ratings), but smaller retailer listings average only 3.79 stars across 126 ratings, and battery opinions are split almost evenly (12% negative vs 11% positive).
Dyson V8
All 6 expert reviewers used the V8 hands-on, and owner evidence is deep: 524 comments, 485 of them first-hand. Owners mostly like it. 40% praise its suction and 25% mention how light it is, but battery opinions split: 23% are positive and 17% are negative. 5 of 6 experts flag short runtime, especially in the roughly seven-minute max mode. 4 of 6 say it pushes larger debris on hard floors. The weak spot is reliability, which scores 42. 23% of owner comments mention failures and 6% say the unit broke or died. Consumer Reports' results are paywalled, so the expert view effectively rests on 5 detailed reviews.
Where each one falls shortThe most common complaints
Dyson V12 Detect Slim
- Very small bin needs frequent emptying
- Weaker on carpets, especially deep pile
- Boost mode drains the battery in under ten minutes
Dyson V8
- Short battery life, especially on max power, and slow charging
- Pushes larger debris around on hard floors
- Reliability concerns and a small dust bin
Questions people actually ask
Which is better, the Dyson V12 Detect Slim or the Dyson V8?
The Dyson V12 Detect Slim, for most homes. The Dyson V8 is the better fit if you live in an apartment or a smaller home.
Based on: Product Review score 78 vs 66.Which is more reliable?
The Dyson V12 Detect Slim. It's the least likely of the two to give you trouble.
Based on: Reliability 58 vs 42; problems mentioned by 17% vs 23% of owners.Which is easier to live with day to day?
The Dyson V12 Detect Slim. It's the one people are happiest with once it's home.
Based on: Owners score 84 vs 75, from ratings and comments.Which is cheaper?
The Dyson V8 usually costs less.
Based on: Typical prices: Dyson V12 Detect Slim $500–$650; Dyson V8 $350–$520.As an Amazon Associate we earn from qualifying purchases. It never changes a score.