Between the H7 Cordless and Stratos Upright, the H7 Cordless comes out ahead in weight and cordless, while the Stratos Upright wins on dustbin and suction (aw). Overall, the H7 Cordless scores 67 and the Stratos Upright scores 76.7 on our Mars Score.
Which should you buy?
The Stratos Upright is the clear pick on raw spec strength, leading by 9.7 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the H7 Cordless 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.
Pick the Stratos Upright if you care most about dustbin and suction (aw). Its strongest claims are dustbin, suction (aw).
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
Bottom line: the Stratos Upright is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Roborock - H7 Cordless wins
- ▲Weight — 6.10 kg less. 1.4 vs 7.5.
- ▲Cordless: true (vs false).
- ▲Battery: 90 min vs 0 min.
Why Shark - Stratos Upright wins
- ▲Dustbin — 98.00% more. 0.99 L vs 0.5 L.
- ▲Suction (AW) — 25.00% more. 200 vs 160.
Spec comparison
Performance
| Spec | Roborock - H7 Cordless | Shark - Stratos Upright |
|---|---|---|
| Suction (AW) | 160 | 200lead |
| Dustbin | 0.5 L | 0.99 Llead |
| Filter | HEPA | HEPA |
Design
| Spec | Roborock - H7 Cordless | Shark - Stratos Upright |
|---|---|---|
| Type | Cordless stick | Corded uprightlead |
| Cordless | truelead | false |
| Weight | 1.4 kglead | 7.5 kg |
| Battery | 90 minlead | 0 min |
Frequently asked
Spec-level deep dives
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