Shark - Detect Pro Cordless IW1511 vs Shark - Stratos Cordless IZ862H

The Detect Pro Cordless IW1511 edges ahead on the Mars Score (69.5 vs 64.6), but the 4.9-point gap is small enough that the right pick comes down to which spec advantages matter to you.

Pick the Detect Pro Cordless IW1511 if you care most about suction (aw). The biggest gaps in its favor are suction (aw).

Pick the Stratos Cordless IZ862H if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight.

Both ship with comparable battery, 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.