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| Criterion |  Product Strategy ICE Scoring |  Architecture Architecture Decision Record |  Decision Making DACI |
|---|---|---|---|
Purposedifferent | When ideas need sorting quickly, it condenses impact, confidence, and effort into one compact score. It connects customer value, product logic, and decision priorities. The result is captured as an ICE table and top-ideas list. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. |
Complexitysame | Low | Low | Low |
Timedifferent | 30-60 min | 15-45 min | 30-60 min |
Participantsdifferent | 2-8 | 1-3 | 2-10 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | ICE Table, Top Idea List | ADR File, Decision Log, Rationale | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | PrioritizationScoringGrowthDecision | ArchitectureRationaleDocumentationGovernance | DecisionRolesGovernanceAlignment |
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