Between the Triflex HX2 and H7 Cordless, the Triflex HX2 comes out ahead in suction (aw), while the H7 Cordless wins on battery and weight. Overall, the Triflex HX2 scores 71.9 and the H7 Cordless scores 67 on our Mars Score.
Which should you buy?
The Triflex HX2 edges ahead on the Mars Score (71.9 vs 67), but the 4.9-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).
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.
Both ship with comparable dustbin, cordless, so those specs don't 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 tells you both are well-rounded; the differences are about trade-offs, not quality.
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 |
Frequently asked
Spec-level deep dives
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