Dyson - V15 Detect Absolute vs Roborock - H7 Cordless
Between the V15 Detect Absolute and H7 Cordless, the V15 Detect Absolute comes out ahead in dustbin and suction (aw), while the H7 Cordless wins on battery and weight. Overall, the V15 Detect Absolute scores 86 and the H7 Cordless scores 67 on our Mars Score.
Which should you buy?
The V15 Detect Absolute is the clear pick on raw spec strength, leading by 19.0 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the V15 Detect Absolute if you care most about dustbin and suction (aw). The biggest gaps in its favor are dustbin, suction (aw).
Pick the H7 Cordless if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are battery, weight.
Both ship with comparable cordless, so those specs don't separate the two — focus on the differences below.
Bottom line: the V15 Detect Absolute is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Dyson - V15 Detect Absolute wins
- ▲Dustbin — 54.00% more. 0.77 L vs 0.5 L.
- ▲Suction (AW) — 50.00% more. 240 vs 160.
Why Roborock - H7 Cordless wins
- ▲Battery — 50.00% more. 90 min vs 60 min.
- ▲Weight — 1.70 kg less. 1.4 vs 3.1.
Spec comparison
Performance
| Spec | Dyson - V15 Detect Absolute | Roborock - H7 Cordless |
|---|---|---|
| Suction (AW) | 240lead | 160 |
| Dustbin | 0.77 Llead | 0.5 L |
| Filter | HEPA | HEPA |
Design
| Spec | Dyson - V15 Detect Absolute | Roborock - H7 Cordless |
|---|---|---|
| Type | Cordless stick | Cordless stick |
| Cordless | true | true |
| Weight | 3.1 kg | 1.4 kglead |
| Battery | 60 min | 90 minlead |
Spec-level deep dives
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