Roborock - H7 Cordless vs Shark - Detect Pro Cordless IW1511
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Roborock - H7 Cordless | Shark - Detect Pro Cordless IW1511 |
|---|---|---|
| Battery | 90 min | 60 min |
| Dustbin | 0.5 L | 0.7 L |
| Suction (AW) | 160 | 170 |
| Weight | 1.4 kg | 3.7 kg |
Between the H7 Cordless and Detect Pro Cordless IW1511, the H7 Cordless comes out ahead in battery / weight, while the Detect Pro Cordless IW1511 wins on dustbin / suction (aw). Overall, the H7 Cordless scores 79.5 and the Detect Pro Cordless IW1511 scores 74.4 on our Mars Score.
Which should you buy?
The H7 Cordless edges ahead on the Mars Score (79.5 vs 74.4), but the 5.1-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the H7 Cordless if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are battery, weight. The single most decisive one: Battery — 50.00% more. 90 min vs 60 min.
Pick the Detect Pro Cordless IW1511 if you care most about dustbin / suction (aw). Its strongest claims are dustbin, suction (aw). The single most decisive one: Dustbin — 40.00% more. 0.7 L vs 0.5 L.
Both ship with comparable cordless, so those specs do not separate the two — focus on the differences below.
Bottom line: the H7 Cordless is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Roborock - H7 Cordless or Shark - Detect Pro Cordless IW1511?
Roborock - H7 Cordless leads the current Mars Score by 5.1 points.The more useful decision is the trade-off behind that result: compare suction (aw), battery, weight against the way you will actually use the product.
Choose Roborock - H7 Cordless if…
Roborock - H7 Cordless has the measurable edge on battery min, weight kg.
Choose Shark - Detect Pro Cordless IW1511 if…
Shark - Detect Pro Cordless IW1511 has the measurable edge on dustbin l, suction aw.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Roborock - H7 Cordless wins
- ▲Battery — 50.00% more. 90 min vs 60 min.
- ▲Weight — 2.30 kg less. 1.4 vs 3.7.
Why Shark - Detect Pro Cordless IW1511 wins
- ▲Dustbin — 40.00% more. 0.7 L vs 0.5 L.
- ▲Suction (AW) — 6.25% more. 170 vs 160.
Spec comparison
Performance
| Spec | Roborock - H7 Cordless | Shark - Detect Pro Cordless IW1511 |
|---|---|---|
| Suction (AW) | 160 | 170lead |
| Dustbin | 0.5 L | 0.7 Llead |
| Filter | HEPA | HEPA |
Design
| Spec | Roborock - H7 Cordless | Shark - Detect Pro Cordless IW1511 |
|---|---|---|
| Type | Cordless stick | Cordless stick |
| Cordless | true | true |
| Weight | 1.4 kglead | 3.7 kg |
| Battery | 90 minlead | 60 min |