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IBM Rational System Architect vs SAP Enterprise Architecture Designer comparison

 

Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

IBM Rational System Architect
Ranking in Enterprise Architecture Management
18th
Average Rating
7.4
Number of Reviews
5
Ranking in other categories
No ranking in other categories
SAP Enterprise Architecture...
Ranking in Enterprise Architecture Management
22nd
Average Rating
8.0
Number of Reviews
1
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of February 2026, in the Enterprise Architecture Management category, the mindshare of IBM Rational System Architect is 2.1%, up from 1.8% compared to the previous year. The mindshare of SAP Enterprise Architecture Designer is 1.5%, up from 0.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Enterprise Architecture Management Market Share Distribution
ProductMarket Share (%)
IBM Rational System Architect2.1%
SAP Enterprise Architecture Designer1.5%
Other96.4%
Enterprise Architecture Management
 

Featured Reviews

GM
IT/Business Architect at a financial services firm with 51-200 employees
Lots of valuable features, especially the metamodel customization
In terms of what could be improved, we did not take the whole package with all the modules, and I think that the integration with other platforms like Office could be better. The reverse engineering of the database is already there, but in the next release I would like to see some pilot supplied with the solution in order to address any database.
Artur Chyziewicz - PeerSpot reviewer
Co-Owner at Edusolution s.c.
Great training available with traceability a key feature
I use this solution to model enterprise software architecture. We are customers of SAP and an educational organization in Poland.  Traceability is a fantastic feature.  They should upgrade the algorithm. The solution currently has an old algorithm and there are now free tools on the market that…

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"We have seen ROI with this solution over the years that we have used it."
"The user interface is good. It's both clear and comprehensible. It's easy to work with."
"There are a lot of features I find valuable, but I think that the metamodel customization is one of the best features that the solution offers."
"The solution is pretty stable."
"Traceability is a fantastic feature."
 

Cons

"The reverse engineering of the database is already there, but in the next release I would like to see some pilot supplied with the solution in order to address any database."
"There needs to be more information at the outset about how to use the solution and how to deploy it. The deployment process needs improvement."
"This solution can be more user-friendly and easier to use, with better dashboards."
"The solution needs to better integrate with other products, like Microsoft."
"The algorithm is outdated and should be upgraded."
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Top Industries

By visitors reading reviews
Financial Services Firm
12%
Manufacturing Company
12%
Government
11%
Comms Service Provider
7%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
No data available
 

Also Known As

Rational System Architect
SAP EA Designer
 

Overview

 

Sample Customers

Wuxi Lake Cloud, Nationwide, ETI, IDS Scheer
Information Not Available
Find out what your peers are saying about SAP LeanIX, Quest Software, MEGA International and others in Enterprise Architecture Management. Updated: February 2026.
881,757 professionals have used our research since 2012.