Try our new research platform with insights from 80,000+ expert users

CentOS vs Oracle Solaris comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Aug 3, 2025

Review summaries and opinions

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

ROI

Sentiment score
4.0
CentOS is valued for efficiency, reducing downtime and costs, saving time, and enhancing business operations without detailed financial tracking.
Sentiment score
5.8
Oracle Solaris enhances ROI with integration, ease of use, troubleshooting efficiencies, despite concerns about costs and limited feature benefits.
We have saved approximately 50% of our revenue by using CentOS.
It saved a lot of time through troubleshooting, which gives us substantial room for improvement in terms of fixing things.
In terms of ROI, there have been performance improvements because Oracle Solaris is lighter.
 

Customer Service

Sentiment score
5.2
CentOS depends on community support, with users utilizing forums and resources, while Red Hat offers paid technical service.
Sentiment score
5.2
Oracle Solaris support is reliable with 24/7 service, though some users find self-resolution faster than official assistance.
I've seen many people across the globe interacting, and when users encounter issues, the community provides solutions.
I would rate the customer support for CentOS a 10 on a scale of 1 to 10.
When we encounter issues or need troubleshooting assistance, we almost always find answers from the community or from other people's experience shared over the internet.
The technical support by Oracle is good.
 

Scalability Issues

Sentiment score
6.9
CentOS efficiently scales for diverse users, adaptable for extensive growth in industries like scientific computing and microservices.
Sentiment score
6.9
Oracle Solaris offers robust scalability and adaptability, excelling in both vertical and horizontal scaling for large enterprises.
CentOS is scalable and user-friendly without requiring complex configurations.
It allows users to scale resources vertically for upgrading hardware and horizontally by adding more servers, making it suitable for modern web hosting and containerized applications.
CentOS's scalability for my organization has handled growth and changing needs smoothly.
Currently, we are using it more for horizontal scalability to run a large number of workloads on the same physical system using the built-in virtualization technologies such as LDOMs and zones.
 

Stability Issues

Sentiment score
7.3
CentOS is reliable and stable, with recent versions improving past issues, earning favor for its simplicity and consistent performance.
Sentiment score
8.4
Oracle Solaris is renowned for its high stability, reliable security, and minimal crash occurrences compared to other operating systems.
CentOS is stable, reliable, flexible, and very useful.
CentOS's simplicity and stability make it easy to use.
I believe CentOS is stable, but we are gradually moving away from it.
 

Room For Improvement

CentOS requires enhanced user-friendliness, stability, support, and updates to address compatibility, security, and usability concerns.
Oracle Solaris users seek better compatibility, modernization, open-source support, and enhanced documentation, with improved interfaces akin to Linux.
The documentation and support could be improved, along with compatibility with newer hardware as hardware continually evolves over time.
Kernel parameters, sysctl config details, tuned profiles, process prioritization, optimized disk, and input scheduler choice are all points for performance optimization.
It could be brought back, but that seems unnecessary now that Rocky Linux exists.
They either have to do cross-platform migrations, which are costly solutions, or they have to change many things.
Oracle Solaris needs to improve its compatibility with office tools like Excel.
 

Setup Cost

CentOS offers a cost-effective, open-source solution, praised for affordability and low total cost of ownership compared to Windows.
Enterprise buyers find Oracle Solaris competitive yet costly, valuing integration and security but noting complex licensing and setup expenses.
There was no cost in terms of deploying it or getting the license for it.
The enterprise subscription cost is at a certain level, but CentOS saves customers from paying additional money, optimizing costs for enterprises and startups involved in application development.
CentOS is a free product with free updates.
I find the pricing of Oracle Solaris to be affordable compared to competitors like Windows.
 

Valuable Features

CentOS is a stable, secure, and cost-effective open-source OS offering compatibility, performance, and robust community support for organizations.
Oracle Solaris excels in virtualization, security, and performance with features like Zones and ZFS, offering reliable cloud readiness.
The best feature CentOS offers is that it's free.
CentOS has positively impacted my organization since it is open source, reducing costs significantly.
Even when a product does not function optimally, the base OS CentOS works smoothly; we can see the status of the services with the command-line interface, making it very efficient.
The operating system is lightweight, which makes it easier to use on an average computer compared to systems like Windows.
Additionally, regarding security, you do not have to implement any antivirus software.
 

Categories and Ranking

CentOS
Ranking in Operating Systems (OS) for Business
8th
Average Rating
8.4
Reviews Sentiment
6.3
Number of Reviews
74
Ranking in other categories
No ranking in other categories
Oracle Solaris
Ranking in Operating Systems (OS) for Business
10th
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
52
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2025, in the Operating Systems (OS) for Business category, the mindshare of CentOS is 4.5%, down from 7.6% compared to the previous year. The mindshare of Oracle Solaris is 1.9%, down from 3.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Operating Systems (OS) for Business Market Share Distribution
ProductMarket Share (%)
CentOS4.5%
Oracle Solaris1.9%
Other93.6%
Operating Systems (OS) for Business
 

Featured Reviews

Mohammad Wasif - PeerSpot reviewer
Has supported reliable deployments and simplified issue resolution in complex environments
The most suitable feature of CentOS is its exceptional stability, security, and long-term support, which make it a popular choice for enterprise and server environments. CentOS is widely recognized for providing a stable and secure platform, especially suited for server and mission-critical workloads. Whenever we face critical work, it is easy for our team to handle. For long-term support, each CentOS release generally guarantees long-term updates, ensuring reliability for extended periods. For package management, we use YUM and DNF in the new version for flexible and efficient software management. It depends on our users' requirements for installing CentOS. Licensing for CentOS is above my management details, so I am not aware of this information. CentOS always provides good feedback, is easy to handle, and easy to troubleshoot. The experience with CentOS OS has been very good over the last two months. I rate CentOS nine out of ten.
Prabir Kumar Kundu - PeerSpot reviewer
Experience robust performance and security for large organizations
For big organizations who look for performance, better security, and better manageability, I usually recommend Oracle Solaris. It is not recommended for smaller organizations because you need a specialized person to manage this operating system. Linux can be managed by anybody. However, maintaining Oracle Solaris, creating clusters, and tuning at the OS level needs a specialized resource. Smaller organizations may not have those resources, or it will be too costly for them to maintain. Everybody is moving towards the cloud. I am not sure how they are going to do that because it is going to be a dead product already compared to its competitors. I would recommend Oracle Linux instead of Oracle Solaris now. On a scale of 1-10, I rate Oracle Solaris a 9.
report
Use our free recommendation engine to learn which Operating Systems (OS) for Business solutions are best for your needs.
872,655 professionals have used our research since 2012.
 

Comparison Review

it_user281973 - PeerSpot reviewer
Aug 24, 2017
It's improved our company's system environments that run Oracle databases.
Red Hat is mission critical to our environment Red Hat has improved the mission critical environments running Oracle databases, while CentOS has improved our web environment and MySQL. Oracle and SAP Environment and all HPC environments. 10 years No issues Very stable i don´t find any problem…
 

Top Industries

By visitors reading reviews
Computer Software Company
15%
Comms Service Provider
8%
Manufacturing Company
8%
Educational Organization
7%
Financial Services Firm
12%
Computer Software Company
11%
Government
10%
Manufacturing Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business30
Midsize Enterprise20
Large Enterprise26
By reviewers
Company SizeCount
Small Business21
Midsize Enterprise5
Large Enterprise31
 

Questions from the Community

Which would you choose - RHEL (Red Hat Enterprise Linux) or CentOS?
Red Hat Enterprise Linux is fantastic. It is an inexpensive solution that has excellent security, performance, and stability, and also lots of features. I specifically like that the solution has fe...
What do you like most about CentOS?
CentOS is very easy to use, and all the commands are user-friendly.
What is your experience regarding pricing and costs for CentOS?
CentOS is a free product with free updates. There are third-party companies available for support, but they charge varying amounts for their services.
How does Oracle Linux compare with Solaris?
When comparing Oracle Linux and Solaris, I believe that Linux is more secure and more flexible. It is also very suitable for enterprises that are already Oracle solution users. I found Linux to be ...
What do you like most about Oracle Solaris?
We use the solution as an internal operating system.
What is your experience regarding pricing and costs for Oracle Solaris?
I find the pricing of Oracle Solaris to be affordable compared to competitors like Windows.
 

Comparisons

 

Also Known As

CentOS 7 (x86_64) - with Updates HVM
Solaris 11, Solaris
 

Overview

 

Sample Customers

Information Not Available
Siemens, IVV
Find out what your peers are saying about CentOS vs. Oracle Solaris and other solutions. Updated: September 2025.
872,655 professionals have used our research since 2012.