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IBM Informix vs VMware Tanzu Data Solutions comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Mar 4, 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
28th
Average Rating
8.2
Reviews Sentiment
7.5
Number of Reviews
17
Ranking in other categories
Embedded Database (9th)
VMware Tanzu Data Solutions
Ranking in Relational Databases Tools
14th
Average Rating
8.2
Reviews Sentiment
6.7
Number of Reviews
89
Ranking in other categories
Database Development and Management (6th), Data Warehouse (4th), Message Queue (MQ) Software (5th)
 

Mindshare comparison

As of November 2026, in the Relational Databases Tools category, the mindshare of IBM Informix is 1.9%, up from 1.8% compared to the previous year. The mindshare of VMware Tanzu Data Solutions is 1.4%, up from 0.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Relational Databases Tools Mindshare Distribution
ProductMindshare (%)
VMware Tanzu Data Solutions1.4%
IBM Informix1.9%
Other96.7%
Relational Databases Tools
 

Featured Reviews

Nasir Niamat - PeerSpot reviewer
DB Consultant at i2c
Has offered a cost-effective option despite frequent technical issues and limited market demand
We find some bugs in IBM Informix. Maybe we are using it more aggressively than others. Every month or every second month, we find some bugs in it, which is not ideal. It should be rare, not this frequent. The good thing is they cover those bugs in the next release within weeks or days on demand. IBM Informix should become hybrid and should include AI features similar to other DBMS systems such as Snowflake, Redshift, and DataBricks. This would help its value rise with the market.
Karthik Shivaram - PeerSpot reviewer
Technical Director at STI INFOTECH PVT LTD
Improved multi-cloud data management has simplified operations and supports seamless Kubernetes
From my perspective, the biggest challenge with VMware right now is the pricing. To be very honest, in many cases I find myself recommending alternative solutions instead of VMware. Even if those alternatives come with a bit more complexity, customers are often more willing to accept that than the current VMware pricing model. In the past, VMware used a socket-based licensing model, which was easier for customers to understand and budget for. Now the shift to a core-based licensing model has significantly increased costs for many environments, especially for organizations running modern high-core CPUs. One positive aspect of the new model is that VMware has bundled several components together. For example, earlier when deploying vSphere, customers also had to purchase vCenter separately for management. Now multiple components are packaged into a single SKU, which simplifies some aspects of procurement and deployment. While this consolidation has its benefits, the overall licensing and commercial costs remain very high. Pricing is not the only issue. I believe Broadcom also needs to reconsider its strategy in light of the current market conditions. The approach they are taking may be strategic from a business perspective, but from what I see in the field, it is leading to lost opportunities. Many customers who previously relied on VMware are now actively exploring alternative virtualization platforms. I’m not sure where this direction will ultimately lead, but based on my experience, it is already affecting adoption. Since you’ve been trying to reach me for some time—and we also had a discussion a couple of years ago—I hope this feedback helps Broadcom understand the current sentiment in the market and potentially make adjustments. Another important concern is the way features are bundled. In many cases, customers only need basic virtualization and high availability capabilities. However, the current packaging often includes additional features that they may not need. A good analogy is that if a customer only needs an entry-level car, we shouldn’t be forced to sell them a Rolls-Royce. VMware could benefit from adopting a more modular or à la carte licensing model, where customers can choose only the components they truly require. For example, if a customer only needs core virtualization functionality, they should be able to purchase just that. This would allow partners and solution providers to better align solutions with customer requirements and position VMware more competitively in the market. Another challenge I want to highlight is the pricing model based on U.S. dollars and the way multi-year licensing is handled. In many enterprise and government projects, customers prefer to commit to three-year or five-year licenses and pay the full amount upfront. However, in approximately 20% of the deals I work on, we lose opportunities because VMware only provides dollar-based pricing for the first year. When it comes to the following years, the contract requires renewals annually rather than allowing a fixed multi-year upfront payment. This approach is particularly problematic for government and public sector customers. Many of them are ready and willing to pay for three or five years in advance, but the current VMware model does not support that structure effectively. Because pricing is tied to the U.S. dollar and subject to yearly adjustments, VMware does not lock in pricing for the full term. From a customer’s perspective, this introduces uncertainty and makes procurement more complicated. Ideally, if a price is quoted—for example, $100 per year—it should remain consistent across a multi-year agreement. Customers would be comfortable committing to a five-year term if the price were fixed and predictable. Unfortunately, that flexibility is currently not available across VMware products, whether it is vSphere, VMware Tanzu solutions, or other offerings. For large enterprise environments, one-year commitments are usually not practical. Many enterprise customers prefer longer-term agreements for budgeting and procurement reasons. Even when they are willing to accept the higher cost associated with the core-based licensing model, the lack of a clear multi-year upfront option often becomes a deal-breaker.

Quotes from Members

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

Pros

"The solution is quite stable and reliable; we use it mainly due to its general stable nature."
"The stability is incredible. I have customers with uptimes of several years."
"The initial setup is very simple."
"It supports in-house-built applications in .NET and VB6"
"Replication is a valuable feature and easy to use."
"It supports multiple applications and business intelligence tools."
"My advice is to take it; you will never regret it."
"Overall, this is a great product. It works really well, is very stable, and is very scalable."
"The solution improved our site reliability."
"We have been using GemFire for a Telco project, which we need process network data in real time and meanwhile access some reference data, and GemFire has done a great job, as we have managed to process over 200,000 messages per second."
"The technical support is exquisite."
"The solution's best feature is its exceptional speed, delivering efficient utilization of resources."
"RabbitMQ is a very easy to use and reliable message broker."
"RabbitMQ provides access to SDKs for development and the ability to raise and log tickets if we encounter issues. We can integrate RabbitMQ using various languages like Java or Python using the provided SDKs."
"It stands out because it's opensource and cost effective, and it does everything pretty well."
"Strong integration with Greenplum Servers."
 

Cons

"The solution should offer replication. It would be helpful if the solution would allow us to access third-party tools."
"Informix is very sturdy, but the problem for us is the marketing action around Informix."
"For me, it's always too expensive. The problem is that Informix sometimes competes with free products, so yes, it's very expensive, but when we're talking about licensed products like SQL Server or anything, the midsize pricing could be significantly improved."
"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."
"There should be more intelligence surrounding discovering data to be able to automatically create indexes."
"It would be helpful to have IBM salespeople know that Informix exists, and sell it. Currently, it is completely ignored by IBM."
"The support team could include local engineers to establish efficient communication. It will help us speed up the escalation process."
"I would like to see backups from secondary servers."
"We would like to see Greenplum maintain a closer relationship with and parity to features implemented in PostgreSQL."
"The pricing is very high. To be honest, instead of VMware products, I am pushing other products."
"It will be very useful if we could communicate with other database types from Greenplum (using a database link)."
"The support feature could benefit from some improvement in terms of accessibility and responsiveness."
"The initial setup is somewhat complex and the out-of-the-box configuration requires optimization."
"I’d like this dashboard to use web sockets, so it would actually be in real time. It would slightly increase debugging, etc."
"The installation is difficult and should be made easier."
"RabbitMQ needs 2 additional features: It is lacking a good dashboard on the web interface; maybe they can develop a dashboard for monitoring."
 

Pricing and Cost Advice

"For me, it's always too expensive."
"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."
"The product has reasonable pricing. We purchase its yearly license."
"It’s an open-source solution."
"The product is available for free use since it is an open-source technology."
"The pricing is okay."
"It is an open-source platform. Although, we have to pay for additional features."
"The pricing for RabbitMQ is reasonable. It is worth the cost."
"It is the best product with best fit for price/performance customer objectives."
"Tanzu Greenplum's pricing is really competitive and gives excellent value for money."
"It is an open-source product."
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Top Industries

By visitors reading reviews
Comms Service Provider
12%
Construction Company
10%
Outsourcing Company
9%
Financial Services Firm
8%
Outsourcing Company
16%
Financial Services Firm
12%
Construction Company
11%
Manufacturing Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise2
Large Enterprise8
By reviewers
Company SizeCount
Small Business32
Midsize Enterprise11
Large Enterprise52
 

Questions from the Community

What is your experience regarding pricing and costs for IBM Informix?
There is a cost reason to move from IBM Informix. It is relatively cheaper than Oracle. The second reason is that moving the whole application to a new database would require significant cost. The ...
What needs improvement with IBM Informix?
We find some bugs in IBM Informix. Maybe we are using it more aggressively than others. Every month or every second month, we find some bugs in it, which is not ideal. It should be rare, not this f...
What is your primary use case for IBM Informix?
We are using IBM Informix for OLTP systems. We are using IBM Informix although it is a technology that is not very popular compared to others. We are using it because our application was initially ...
How does IBM MQ compare with VMware RabbitMQ?
IBM MQ has a great reputation behind it, and this solution is very robust with great stability. It is easy to use, simple to configure and integrates well with our enterprise ecosystem and protocol...
What is your experience regarding pricing and costs for VMware Tanzu GemFire?
My experience with pricing, setup cost, and licensing for VMware Tanzu Data Solutions is that it is a bit expensive.
What needs improvement with VMware Tanzu GemFire?
In terms of weak points in VMware Tanzu Data Solutions, pricing is always the root cause of people not wanting to renew licenses or do any upgrades.
 

Also Known As

Informix
Greenplum, Pivotal Greenplum, VMware RabbitMQ, VMware Tanzu GemFire, VMware Postgres
 

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
General Electric, Conversant, China CITIC Bank, Aridhia, Purdue University
Find out what your peers are saying about IBM Informix vs. VMware Tanzu Data Solutions and other solutions. Updated: November 2026.
920,769 professionals have used our research since 2012.