Miele - Complete C3 Cat & Dog vs Roborock - Flexi Pro Wet/Dry
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Miele - Complete C3 Cat & Dog | Roborock - Flexi Pro Wet/Dry |
|---|---|---|
| Dustbin | 4.5 L | 0.85 L |
| Suction (AW) | 240 | 170 |
| Weight | 9.3 kg | 4.5 kg |
| Cordless | false | true |
| Battery | 0 min | 40 min |
Between the Complete C3 Cat & Dog and Flexi Pro Wet/Dry, the Complete C3 Cat & Dog comes out ahead in dustbin / suction (aw), while the Flexi Pro Wet/Dry wins on weight / cordless. Overall, the Complete C3 Cat & Dog scores 67.7 and the Flexi Pro Wet/Dry scores 72.1 on our Mars Score.
Which should you buy?
The Flexi Pro Wet/Dry edges ahead on the Mars Score (67.7 vs 72.1), but the 4.4-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Complete C3 Cat & Dog if you care most about dustbin / suction (aw). The biggest gaps in its favor are dustbin, suction (aw). The single most decisive one: Dustbin — 429.41% more. 4.5 L vs 0.85 L.
Pick the Flexi Pro Wet/Dry if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight, cordless, battery. The single most decisive one: Weight — 4.80 kg less. 4.5 vs 9.3.
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: Miele - Complete C3 Cat & Dog or Roborock - Flexi Pro Wet/Dry?
Roborock - Flexi Pro Wet/Dry leads the current Mars Score by 4.4 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 Miele - Complete C3 Cat & Dog if…
Miele - Complete C3 Cat & Dog has the measurable edge on dustbin l, suction aw.
Choose Roborock - Flexi Pro Wet/Dry if…
Roborock - Flexi Pro Wet/Dry has the measurable edge on weight kg, is cordless, battery min.
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 Miele - Complete C3 Cat & Dog wins
- ▲Dustbin — 429.41% more. 4.5 L vs 0.85 L.
- ▲Suction (AW) — 41.18% more. 240 vs 170.
Why Roborock - Flexi Pro Wet/Dry wins
- ▲Weight — 4.80 kg less. 4.5 vs 9.3.
- ▲Cordless: true (vs false).
- ▲Battery: 40 min vs 0 min.
Spec comparison
Performance
| Spec | Miele - Complete C3 Cat & Dog | Roborock - Flexi Pro Wet/Dry |
|---|---|---|
| Suction (AW) | 240lead | 170 |
| Dustbin | 4.5 Llead | 0.85 L |
| Filter | HEPA H13 | HEPA |
Design
| Spec | Miele - Complete C3 Cat & Dog | Roborock - Flexi Pro Wet/Dry |
|---|---|---|
| Type | canister | Wet/dry cordlesslead |
| Cordless | false | truelead |
| Weight | 9.3 kg | 4.5 kglead |
| Battery | 0 min | 40 minlead |