- AI, S4/HANA
- SAP Business AI
- 3 min reading time
Marie Daipo
SAP S/4HANA is more than just a technical upgrade—it is a fundamental system transformation. In this article, you’ll learn what lies behind the 4th generation of the SAP Business Suite, how SAP HANA in-memory technology enables real-time analytics, and why the transition from SAP ECC to S/4HANA represents a structural shift. Discover the key processes, benefits, and the role of the SAP Business Data Cloud for the future of your SAP landscape.
Table of contents
- 1. Introduction – What is S/4 all about?
- 2. More Than Just an Upgrade: S/4HANA as a New System Architecture
- 3. From SAP ECC to S/4HANA: Finally coming of age!
- 4. User Interface and Analytics: More Modern, More Integrated, Faster
- 5. New terms: Business partners instead of accounts receivable/accounts payable
- 6. The key difference: SAP HANA as the foundation
- 7. The Most Important Business Processes in SAP S/4HANA
- 8. Key Benefits of SAP S/4HANA
- 9. Conclusion
1. Introduction – What is S/4 all about?
SAP S/4HANA is the next-generation ERP suite that uses SAP HANA as an in-memory database for real-time processing and analysis.
S/4 stands for the 4th generation of the SAP Business Suite and replaces the systems SAP R/3 and SAP ERP (ECC) .
The "S" is often used as "suite" or Simple : Essentially, it refers to a simplified data model and simplified processes.
HANA stands for High-Performance Analytic Appliance and refers to SAP’s in-memory database platform—which processes data can be processed processed and analyzed.
2. More Than Just an Upgrade: S/4HANA as a New System Architecture
SAP S/4HANA is not just a technical update. It is a new product with a simplified data model, integrated real-time analytics , and advanced capabilities such as machine learning, artificial intelligence and IoT integration.
3. From SAP ECC to S/4HANA: Finally coming of age!
SAP S/4HANA is the successor to SAP ERP (ECC).
A key element is the interplay between:
- In-memory technologybased on SAP HANA
- simplified data model (e.g., Universal Journal, Material Ledger, Business Partner)
This is changing the way departments operate. The traditional ECC structures are not only adopted, but fundamentally reorganized. This reduces coordination efforts, minimizes redundancies, and ensures data consistency.
4. User Interface and Analytics: More Modern, More Integrated, Faster
While SAP ECC is often associated with the classic SAP GUI , SAP S/4HANA relies on SAP Fiori (a modern, role-based user interface) while also supporting the familiar SAP GUI approach for specific user groups.
There is also a key difference when it comes to analytics:
Instead of organizing analytics and reporting through external tools such as SAP BW, S/4HANA Embedded Analytics insights directly within the system — based on live transaction data.
5. New terms: Business partners instead of accounts receivable/accounts payable
S/4HANA introduces new concepts and logic. For example, accounts receivable and accounts payable are grouped under the umbrella term Business Partner . The maintenance of master data and its structure are also changing significantly.
It is precisely this transformation that is often underestimated in projects: The move from ECC to S/4HANA is a structural change — not a traditional upgrade.
6. The key difference: SAP HANA as the foundation
SAP HANA is an in-memory database platform designed for processing and analyzing large volumes of data in real time . It delivers high speed and performance—enabling complex queries to be executed efficiently and results to be delivered quickly.
SAP HANA can be deployed on-premise or in the cloud . This makes S/4HANA flexible enough to be used in a variety of IT and operating models.
Leveraging HANA capabilities, S/4HANA, together with embedded analytics, enables real-time analysis directly on transaction data. This helps business units translate insights directly into decisions and actions—without having to switch between platforms and tools
7. The Most Important Business Processes in SAP S/4HANA
In SAP S/4HANA, end-to-end processes are continuous value chains — not as isolated individual steps. The most important processes include:
- Lead-to-Cash / Order-to-Cash
Covers the entire process from lead to revenue recognition: order, invoicing, payment processing, and closing.
- Source-to-Pay / Procure-to-Pay
Procurement, from supplier selection through contract and billing processes to the delivery of products and services.
- Design-to-Operate
The entire product lifecycle—from conception and planning through manufacturing and delivery to operation and maintenance—in a seamless process.
- Record-to-Report
Capture, processing, and presentation of financial and accounting data, including balance sheets, income statements, budget reports, and other financial views.
- Recruit-to-Retire / Hire-to-Retire
HR processes ranging from recruiting through career progression to retirement.
- Plan-to-Fulfill
Planning and optimization of the digital supply chain—from preparing for production and delivery to the efficient execution of all steps.
For a detailed overview, see our article: SAP S/4HANA End-to-End Processes at a Glance.
8. Key Benefits of SAP S/4HANA
- Real-time insights: Embedded Analytics provides analyses based directly on current operational transaction data—enabling quick decisions during the process.
- Improved performance: The in-memory database significantly speeds up transactions and analyses.
- Modern user experience: Intuitive, role-based user interface with SAP Fiori.
- Simplified IT landscape: Reduced data volume and a simplified data model minimize complexity and sources of error.
- Operational flexibility: On-premises, private cloud, public cloud, or hybrid—depending on your strategy.
- Future-proof: Designed for expansion in the areas of AI, machine learning, and IoT.
9. Conclusion
The BDC is evolving into a higher-level data platform that consolidates and optimizes information from various systems and makes it available for advanced analytics and AI use cases.
SAP S/4HANA remains the central system for handling operational business processes. The combination of SAP HANA in-memory technology, a simplified data model and integrated real-time analytics ensures greater transparency and better process control.
At the same time, as the importance of SAP Business Data Cloud (BDC) the role of SAP S/4HANA as the “digital heart” is increasingly shifting:
Figure 1: Business Data Cloud Architecture
In short: S/4HANA remains the core operational system—the Business Data Cloud is increasingly becoming the data-driven hub for analytics and intelligent decision-making.
“Are you considering S/4HANA or already planning the transition? Our s-peers experts provide precise, well-informed, and straightforward support for your SAP Analytics transformation. Contact us for a no-obligation initial consultation.”
Want to learn more about AI Units & Co. and find out how to successfully launch your AI project?
Then book an appointment with our SAP AI expert Robert Kehrli here.
