Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Miele - Triflex HX2 | Roborock - H7 Cordless |
|---|---|---|
| Battery | 60 min | 90 min |
| Suction (AW) | 180 | 160 |
| Weight | 3.9 kg | 1.4 kg |
Between the Triflex HX2 and H7 Cordless, the Triflex HX2 comes out ahead in suction (aw), while the H7 Cordless wins on battery / weight. Overall, the Triflex HX2 scores 75.1 and the H7 Cordless scores 79.5 on our Mars Score.
Which should you buy?
The H7 Cordless edges ahead on the Mars Score (75.1 vs 79.5), but the 4.4-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Triflex HX2 if you care most about suction (aw). The biggest gaps in its favor are suction (aw). The single most decisive one: Suction (AW) — 12.50% more. 180 vs 160.
Pick the H7 Cordless if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are battery, weight. The single most decisive one: Battery — 50.00% more. 90 min vs 60 min.
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 or Roborock - H7 Cordless?
Roborock - H7 Cordless 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 - Triflex HX2 if…
Miele - Triflex HX2 has the measurable edge on suction aw.
Choose Roborock - H7 Cordless if…
Roborock - H7 Cordless has the measurable edge on battery min, 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 wins
- ▲Suction (AW) — 12.50% more. 180 vs 160.
Why Roborock - H7 Cordless wins
- ▲Battery — 50.00% more. 90 min vs 60 min.
- ▲Weight — 2.50 kg less. 1.4 vs 3.9.
Spec comparison
Performance
| Spec | Miele - Triflex HX2 | Roborock - H7 Cordless |
|---|---|---|
| Suction (AW) | 180lead | 160 |
| Dustbin | 0.5 L | 0.5 L |
| Filter | HEPA | HEPA |
Design
| Spec | Miele - Triflex HX2 | Roborock - H7 Cordless |
|---|---|---|
| Type | Cordless stick | Cordless stick |
| Cordless | true | true |
| Weight | 3.9 kg | 1.4 kglead |
| Battery | 60 min | 90 minlead |