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IBM LinuxONE vs IBM Z vs Unisys ClearPath Dorado comparison

Review summaries and opinions

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

Mindshare comparison

As of May 2026, in the Mainframes category, the mindshare of IBM LinuxONE is 8.9%, up from 7.6% compared to the previous year. The mindshare of IBM Z is 32.3%, down from 39.2% compared to the previous year. The mindshare of Unisys ClearPath Dorado is 19.8%, up from 16.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Mainframes Mindshare Distribution
ProductMindshare (%)
IBM Z32.3%
Unisys ClearPath Dorado19.8%
IBM LinuxONE8.9%
Other39.00000000000001%
Mainframes
 

Featured Reviews

Use IBM LinuxONE?
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DS
Manager CICS Support at Blue Cross Blue Shield of Illinois
Provides processing of mission critical applications.
Batch DB Online systems. Provides processing of mission critical applications. Ability to handle heavy mixed workloads. More graphical, user-friendly, interface for systems changes. However, IBM is attempting to do this via OSMF.
Use Unisys ClearPath Dorado?
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Top Industries

By visitors reading reviews
No data available
Financial Services Firm
12%
Government
12%
Media Company
8%
Retailer
7%
No data available
 

Company Size

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

Also Known As

LinuxONE Emperor II, LinuxONE Rockhopper, LinuxONE
No data available
ClearPath Forward Dorado 8400 Series, ClearPath Forward Dorado 6400 Series, ClearPath Forward Dorado 4400 Series
 

Overview

 

Sample Customers

Learn Forward
Fujitsu
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