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| Criterion |  Product Strategy RICE Scoring |  Architecture Architecture Decision Record |  Architecture C4 Model |  Product Strategy ICE Scoring |
|---|---|---|---|---|
Purposedifferent | When many initiatives compete for the same resources, it brings reach, impact, confidence, and effort into one shared ranking. It makes prioritization economically connectable. | 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. | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 60-90 min | 15-45 min | 1-4 h | 30-60 min |
Participantsdifferent | 2-10 | 1-3 | 1-5 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | RICE Scores, Ranked List, Assumption Log | ADR File, Decision Log, Rationale | Context Diagram, Container Diagram, Component Diagram | ICE Table, Top Idea List |
Tagsno overlap | PrioritizationScoringRoadmapTradeoffs | ArchitectureRationaleDocumentationGovernance | ArchitectureCommunicationVisualization | PrioritizationScoringGrowthDecision |