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| Criterion |  Product Strategy ICE Scoring |  Architecture C4 Model |  Product Strategy RICE Scoring |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
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. | 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 many initiatives compete for the same resources, it brings reach, impact, confidence, and effort into one shared ranking. It makes prioritization economically connectable. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 30-60 min | 1-4 h | 60-90 min | 60-120 min |
Participantsdifferent | 2-8 | 1-5 | 2-10 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | ICE Table, Top Idea List | Context Diagram, Container Diagram, Component Diagram | RICE Scores, Ranked List, Assumption Log | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | PrioritizationScoringGrowthDecision | ArchitectureCommunicationVisualization | PrioritizationScoringRoadmapTradeoffs | ArchitectureCommunicationStakeholdersCanvas |