Roborock - Flexi Pro Wet/Dry vs Shark - Stratos Upright
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Roborock - Flexi Pro Wet/Dry | Shark - Stratos Upright |
|---|---|---|
| Suction (AW) | 170 | 200 |
| Dustbin | 0.85 L | 0.99 L |
| Weight | 4.5 kg | 7.5 kg |
| Cordless | true | false |
| Battery | 40 min | 0 min |
Between the Flexi Pro Wet/Dry and Stratos Upright, the Flexi Pro Wet/Dry comes out ahead in weight / cordless, while the Stratos Upright wins on suction (aw) / dustbin. Overall, the Flexi Pro Wet/Dry scores 72.1 and the Stratos Upright scores 67.5 on our Mars Score.
Which should you buy?
The Flexi Pro Wet/Dry edges ahead on the Mars Score (72.1 vs 67.5), but the 4.6-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Flexi Pro Wet/Dry if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are weight, cordless, battery. The single most decisive one: Weight — 3.00 kg less. 4.5 vs 7.5.
Pick the Stratos Upright if you care most about suction (aw) / dustbin. Its strongest claims are suction (aw), dustbin. The single most decisive one: Suction (AW) — 17.65% more. 200 vs 170.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Roborock - Flexi Pro Wet/Dry or Shark - Stratos Upright?
Roborock - Flexi Pro Wet/Dry leads the current Mars Score by 4.6 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 - Flexi Pro Wet/Dry if…
Roborock - Flexi Pro Wet/Dry has the measurable edge on weight kg, is cordless, battery min.
Choose Shark - Stratos Upright if…
Shark - Stratos Upright has the measurable edge on suction aw, dustbin l.
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 - Flexi Pro Wet/Dry wins
- ▲Weight — 3.00 kg less. 4.5 vs 7.5.
- ▲Cordless: true (vs false).
- ▲Battery: 40 min vs 0 min.
Why Shark - Stratos Upright wins
- ▲Suction (AW) — 17.65% more. 200 vs 170.
- ▲Dustbin — 16.47% more. 0.99 L vs 0.85 L.
Spec comparison
Performance
| Spec | Roborock - Flexi Pro Wet/Dry | Shark - Stratos Upright |
|---|---|---|
| Suction (AW) | 170 | 200lead |
| Dustbin | 0.85 L | 0.99 Llead |
| Filter | HEPA | HEPA |
Design
| Spec | Roborock - Flexi Pro Wet/Dry | Shark - Stratos Upright |
|---|---|---|
| Type | Wet/dry cordlesslead | Corded upright |
| Cordless | truelead | false |
| Weight | 4.5 kglead | 7.5 kg |
| Battery | 40 minlead | 0 min |