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IBM Informix vs Teradata comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jul 27, 2025

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 Informix
Ranking in Relational Databases Tools
17th
Average Rating
8.6
Reviews Sentiment
7.7
Number of Reviews
16
Ranking in other categories
Embedded Database (9th)
Teradata
Ranking in Relational Databases Tools
8th
Average Rating
8.2
Reviews Sentiment
7.0
Number of Reviews
76
Ranking in other categories
Customer Experience Management (6th), Backup and Recovery (20th), Data Integration (15th), Data Warehouse (3rd), BI (Business Intelligence) Tools (9th), Marketing Management (6th), Cloud Data Warehouse (4th)
 

Mindshare comparison

As of August 2025, in the Relational Databases Tools category, the mindshare of IBM Informix is 1.9%, up from 1.7% compared to the previous year. The mindshare of Teradata is 5.1%, up from 5.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Relational Databases Tools
 

Featured Reviews

Nazzareno Maria Rezzini - PeerSpot reviewer
Supports multiple business intelligence tools, but the technical support services need improvement
IBM Informix is a central database solution across various environments, supporting multiple applications and business intelligence tools The key areas for improvement revolve around understanding the current customer trends and demands, particularly in software and database requirements. The…
RajeshKumar25 - PeerSpot reviewer
Harnessing advanced parallelism for top performance while embracing cloud trends
Teradata is primarily used for data warehousing across all customers. My clients have built-in applications that use Teradata, and their use varies from customer to customer, depending on the industry and database size. The primary function is as an OLAP analytical ecosystem Scalability is…

Quotes from Members

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

Pros

"The most valuable feature is concurrency and locking because my customers usually use databases in OLTP mode. So, for a large number of competitive users. Other features that are well valued are quick large-scale data types. It is better than Oracle."
"The stability is incredible. I have customers with uptimes of several years."
"The solution's stability, performance, enhanced functionality, and replication are all great features."
"Replication is a valuable feature and easy to use."
"The initial setup is pretty easy."
"IBM Informix benefits users with high availability and good integration capabilities."
"It supports multiple applications and business intelligence tools."
"Every version is faster than the previous."
"The data processing, clustering, and distributed computing are impressive."
"It is a highly robust software solution."
"A conventional and easily defined way to build a data warehouse or a layer of data marts."
"I've never had any issues with scalability."
"Teradata features high productivity and reliability because it has several redundancy options, so the system is always up and running."
"The ease of deployment is useful so clients are up and running quickly in comparison to other products."
"IntelliFlex is easy to scale - one of its best features is that you can upscale it to the size you want."
"I like this solution's ease of design and the fact that its performance is quite good. It is stable as well."
 

Cons

"This product could be made easier to use for beginners."
"The solution really doesn't add new features very often."
"It would be helpful to have IBM salespeople know that Informix exists, and sell it. Currently, it is completely ignored by IBM."
"The pricing is a bit expensive."
"The solution lacks some functionality."
"In my opinion, the packages could be improved. The version I use doesn't allow for packages. I can do some general procedures, but no packages like in Oracle. So, develop separate modules in SQL language. This would be most beneficial for me."
"This solution is in need of more current tools."
"I would like to see backups from secondary servers."
"The increasing volumes of data demand more and more performance."
"They should add more connectors to different platforms."
"Data synchronization to the DR site."
"Teradata should focus on functionality for building predictive models because, in that regard, it can definitely improve."
"It needs a teaching web site with more training on third-party tools used for BI."
"GUI of administrative tools is really outdated."
"The solution could improve by having a cloud version or a cloud component. We have to use other solutions, such as Amazon AWS, Microsoft Azure, or Snowflake for the cloud."
"I would like more security and speed."
 

Pricing and Cost Advice

"I am not aware of the licensing costs or terms."
"The free edition can be enough to handle moderate-size implementations, but you may want a pay for edition to benefit from more functionality, such as replication."
"For me, it's always too expensive."
"The product has reasonable pricing. We purchase its yearly license."
"In this day and age, we want to get things done quickly. So, we go to the AWS Marketplace."
"Make sure you have the in-house skills to design and support the solution, as relying on external sources is extremely costly and tends to lock you into specific platforms, tools, and paradigms."
"We are looking for a more flexible cost model for the next version that we use, whether it be cloud or on-premise."
"Users have to pay a yearly licensing fee for Teradata IntelliFlex, which is very expensive."
"Teradata is expensive but gives value for money, especially if you don't want to move your data to the cloud."
"Teradata's licensing is on the expensive side."
"Teradata used to be expensive, but they have been lowering their prices."
"The tool costs about 30,000 euros a month, while Azure Synapse SQL only costs 10,000."
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Comparison Review

it_user232068 - PeerSpot reviewer
Aug 5, 2015
Netezza vs. Teradata
Original published at https://www.linkedin.com/pulse/should-i-choose-net Two leading Massively Parallel Processing (MPP) architectures for Data Warehousing (DW) are IBM PureData System for Analytics (formerly Netezza) and Teradata. I thought talking about the similarities and differences…
 

Top Industries

By visitors reading reviews
Computer Software Company
10%
Financial Services Firm
10%
Retailer
8%
Manufacturing Company
7%
Financial Services Firm
26%
Computer Software Company
10%
Manufacturing Company
7%
Healthcare Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What do you like most about IBM Informix?
It supports multiple applications and business intelligence tools.
What is your experience regarding pricing and costs for IBM Informix?
The product has reasonable pricing. We purchase its yearly license.
What needs improvement with IBM Informix?
The key areas for improvement revolve around understanding the current customer trends and demands, particularly in software and database requirements. The product's performance could be better com...
Comparing Teradata and Oracle Database, which product do you think is better and why?
I have spoken to my colleagues about this comparison and in our collective opinion, the reason why some people may declare Teradata better than Oracle is the pricing. Both solutions are quite simi...
Which companies use Teradata and who is it most suitable for?
Before my organization implemented this solution, we researched which big brands were using Teradata, so we knew if it would be compatible with our field. According to the product's site, the comp...
Is Teradata a difficult solution to work with?
Teradata is not a difficult product to work with, especially since they offer you technical support at all levels if you just ask. There are some features that may cause difficulties - for example,...
 

Comparisons

 

Also Known As

Informix
IntelliFlex, Aster Data Map Reduce, , QueryGrid, Customer Interaction Manager, Digital Marketing Center, Data Mover, Data Stream Architecture
 

Overview

 

Sample Customers

Shaspa, Hildebrand, Kaifa, Ranhill Powertron, Federaci‹ Farmacutica (FedeFarma), Camden Council, The German Aerospace Center (DLR), Myers, Votorantim Group, Doosan Infracore, GreenIvory
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Find out what your peers are saying about IBM Informix vs. Teradata and other solutions. Updated: July 2025.
865,295 professionals have used our research since 2012.