| Deployment | Self-hosted, private SaaS, or hybrid cloud | Google-managed SaaS only |
| Data Ownership | Full control in your cloud (BQ, Snowflake, Databricks) | Data stored and processed by Google |
| Real-Time Streaming | Sub-5s latency with warehouse sync | "Best effort" real-time; no SLA |
| Schema Governance | Git-backed, version-controlled schemas | Fixed schemas, no validation |
| Data Quality | Validated at source; entity support | Batched events; limited timestamp precision |
| Identity Resolution | First-party server-set cookies + identity graph | Session-based; 7-day client cookie limit in Safari |
| AI/ML Support | AI-ready modeling; real-time activation | Predictive metrics locked in UI |
| Consent & Privacy | Consent plugin + pseudonymization | Consent Mode covers Google identifiers only |
| Visualization & Reporting | BYO BI tool (Looker, Power BI, etc) | Built-in GA reports and dashboard |
| Integration Flexibility | Composable across any cloud/data tool | Locked to Google ecosystem (BQ, Ads, Firebase) |