Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Miele - Triflex HX2 Pro | Roborock - H7 Cordless |
|---|---|---|
| Battery | 120 min | 90 min |
| Suction (AW) | 200 | 160 |
| Weight | 3.9 kg | 1.4 kg |
Between the Triflex HX2 Pro and H7 Cordless, the Triflex HX2 Pro comes out ahead in battery / suction (aw), while the H7 Cordless wins on weight. Overall, the Triflex HX2 Pro scores 77.7 and the H7 Cordless scores 79.5 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (77.7 vs 79.5). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the Triflex HX2 Pro if you care most about battery / suction (aw). The biggest gaps in its favor are battery, suction (aw). The single most decisive one: Battery — 33.33% more. 120 min vs 90 min.
Pick the H7 Cordless if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight. The single most decisive one: Weight — 2.50 kg less. 1.4 vs 3.9.
Both ship with comparable dustbin, cordless, so those specs do not separate the two — focus on the differences below.
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 - Triflex HX2 Pro or Roborock - H7 Cordless?
Roborock - H7 Cordless leads the current Mars Score by 1.8 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 - Triflex HX2 Pro if…
Miele - Triflex HX2 Pro has the measurable edge on battery min, suction aw.
Choose Roborock - H7 Cordless if…
Roborock - H7 Cordless has the measurable edge on weight kg.
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 - Triflex HX2 Pro wins
- ▲Battery — 33.33% more. 120 min vs 90 min.
- ▲Suction (AW) — 25.00% more. 200 vs 160.
Why Roborock - H7 Cordless wins
- ▲Weight — 2.50 kg less. 1.4 vs 3.9.
Spec comparison
Performance
| Spec | Miele - Triflex HX2 Pro | Roborock - H7 Cordless |
|---|---|---|
| Suction (AW) | 200lead | 160 |
| Dustbin | 0.5 L | 0.5 L |
| Filter | HEPA | HEPA |
Design
| Spec | Miele - Triflex HX2 Pro | Roborock - H7 Cordless |
|---|---|---|
| Type | Cordless stick | Cordless stick |
| Cordless | true | true |
| Weight | 3.9 kg | 1.4 kglead |
| Battery | 120 minlead | 90 min |