Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Eufy - H30 Mate | Miele - Complete C3 Cat & Dog |
|---|---|---|
| Dustbin | 0.2 L | 4.5 L |
| Suction (AW) | 120 | 240 |
| Weight | 1.83 kg | 9.3 kg |
| Cordless | true | false |
| Battery | 20 min | 0 min |
Between the H30 Mate and Complete C3 Cat & Dog, the H30 Mate comes out ahead in weight / cordless, while the Complete C3 Cat & Dog wins on dustbin / suction (aw). Overall, the H30 Mate scores 73 and the Complete C3 Cat & Dog scores 67.7 on our Mars Score.
Which should you buy?
The H30 Mate edges ahead on the Mars Score (73 vs 67.7), but the 5.3-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the H30 Mate 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 — 7.47 kg less. 1.83 vs 9.3.
Pick the Complete C3 Cat & Dog if you care most about dustbin / suction (aw). Its strongest claims are dustbin, suction (aw). The single most decisive one: Dustbin — 2150.00% more. 4.5 L vs 0.2 L.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
Bottom line: the H30 Mate 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: Eufy - H30 Mate or Miele - Complete C3 Cat & Dog?
Eufy - H30 Mate leads the current Mars Score by 5.3 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 Eufy - H30 Mate if…
Eufy - H30 Mate has the measurable edge on weight kg, is cordless, battery min.
Choose Miele - Complete C3 Cat & Dog if…
Miele - Complete C3 Cat & Dog 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 Eufy - H30 Mate wins
- ▲Weight — 7.47 kg less. 1.83 vs 9.3.
- ▲Cordless: true (vs false).
- ▲Battery: 20 min vs 0 min.
Why Miele - Complete C3 Cat & Dog wins
- ▲Dustbin — 2150.00% more. 4.5 L vs 0.2 L.
- ▲Suction (AW) — 100.00% more. 240 vs 120.
Spec comparison
Performance
| Spec | Eufy - H30 Mate | Miele - Complete C3 Cat & Dog |
|---|---|---|
| Suction (AW) | 120 | 240lead |
| Dustbin | 0.2 L | 4.5 Llead |
| Filter | HEPA | HEPA H13 |
Design
| Spec | Eufy - H30 Mate | Miele - Complete C3 Cat & Dog |
|---|---|---|
| Type | Handheldlead | canister |
| Cordless | truelead | false |
| Weight | 1.83 kglead | 9.3 kg |
| Battery | 20 minlead | 0 min |