✅ 1.Architecture and Database
👉🏻SAP ECC
1. DATABASE: Supports multiple databases like Oracle, SQL,IBM DB2, etc.
2. DATA STORAGE: Traditional row-based storage
3. SPPED & PERFORMANCE: Slower due to risk-based data processing.
👉🏻SAP S/4 HANA
1. DATABASE: Runs only on SAP HANA in-memory database
2. DATA STORAGE: In-memory, column storage for fast processing
3. SPPED & PERFORMANCE: High-speed real-time analytics and transactions.
👉🏻conclusion: SAP S/4 HANA Leverage an in-memory database (HANA) making it faster and more efficient than SAP ECC, which supports a multiple database like SQL, ORACLE, etc but performance is slower than SAP S/4 HANA.
✅ 2.User Experience (UX)
👉🏻SAP ECC
1. USER INTERFACE: SAP GUI (Graphical User Interface) - Traditional Interface. It provides an interface for executing transactions, viewing reports, and managing data.
2. USER EXPERIENCE: Complex navigation
👉🏻SAP S/4 HANA
1. USER INTERFACE: SAP Fiori (Modern,web based and mobile-friendly)
2. USER EXPERIENCE: Simplified and intuitive with role-based dashboard.
👉🏻conclusion: SAP S/4 HANA uses SAP Fiori, providing a modern , user-friendly
and mobile-accessible interface compared to ECC's older SAP GUI.
✅3.Functional Differences
a) Finance (FI) & Controlling (CO)
👉🏻SAP ECC
1. GENERAL LEDGER(GL): Traditional GL with multiple tables
2. DATA REDUNDANCY: Multiples tables for transactions
👉🏻SAP S/4 HANA
1. GENERAL LEDGER(GL): Universal Journal (Single Table: ACDOCA)
2. DATA REDUNDANCY: Single_source of truth approach
b) Logistics (MM, SD, PP)
👉🏻SAP ECC
1. MATERIAL NUMBER LENGTH : 18 Characters
2. INVENTORY MANAGEMENT: Uses multiple tables
3. MRP :Batch Processing
👉🏻SAP S/4 HANA
1. MATERIAL NUMBER LENGTH: 40 Character
2. INVENTORY MANAGEMENT: Uses simplified tables MATDOC
3. MRP: Real time MRP execution
✅4.Deployments & Licensing
👉🏻SAP ECC
1. DEVELOPMENT OPTIONS: On-premises
2. SUPPORT AND END OF LIFE: Support ends in 2027
3. LICENSING: Traditional SAP ERP Licensing
👉🏻SAP S/4 HANA
1. DEVELOPMENT OPTIONS: On-premises
2. SUPPORT AND END OF LIFE: Long term support available
3. LICENSING: Subscription based on perpetual license
✅5. Integration & Innovation
👉🏻SAP ECC
1. INTEGRATION: Uses middleware like SAP PI/PO
👉🏻SAP S/4 HANA
1. INTEGRATION: Native integration with SAP BTP ,AI IoT and Machine Learning (ML)
