KDiskMark

A graphical disk benchmark for Linux that runs fio tests and shows easy-to-read results.

FreeOpen sourceLinux
Official websitegithub.com

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1 more ways to get KDiskMark

Package managers

  • Flathubflatpak install flathub io.github.jonmagon.kdiskmark

About KDiskMark

KDiskMark measures the read and write speed of hard drives and SSDs on Linux. It provides presets and a graphical interface on top of the Flexible I/O Tester (fio), then presents the output as a clear benchmark result similar in style to CrystalDiskMark on Windows.

Block size, queue depth and thread count can be set for each test. It is written in C++ with Qt and has no KDE dependencies, so it fits any desktop.

Strengths

  • Simple interface over the fio benchmark engine
  • Configurable block size, queues and threads
  • No KDE dependencies despite the name
  • Many interface languages

Limitations

  • Linux only
  • Relies on fio being installed

Details

Pricing
FreeFree and open source.
License
Open source, license not stated
Developer
JonMagon
Platforms
Linux
How it runs
Downloadable app
Account
Not required
Works offline
Yes
Best suited for
Linux users who want CrystalDiskMark-style SSD and HDD speed tests
Last verified
Added
Provenance
Facts checked against the developer's own pages and store listings, 1 sources on file.

Alternatives to KDiskMark

Compare all

Software that can replace KDiskMark for an important use case, and what changes if you switch.

  • fio

    A flexible command-line I/O tester for benchmarking and stress-testing storage devices.

    FreeOpen sourceLinuxCommand line

    fio is the command-line engine behind KDiskMark, offering far more configurable job files and detailed latency reports without a graphical interface.

  • CrystalDiskMark

    The standard Windows disk benchmark, measuring sequential and random read and write speeds in a few clicks.

    FreeOpen sourceWindows

    CrystalDiskMark is the Windows benchmark KDiskMark imitates, with peak and real-world modes, and does not run on Linux.

  • GNOME Disks

    A graphical disk utility for GNOME that partitions, formats, benchmarks and images drives on Linux.

    FreeOpen sourceLinux

    GNOME Disks includes a basic read and access-time benchmark within a broader Linux disk utility, with fewer test options.

  • DiskSpd

    Microsoft's command-line storage load generator for benchmarking disk performance on Windows.

    FreeOpen sourceWindowsCommand line

    DiskSpd is Microsoft's configurable command-line load generator for Windows, aimed at administrators rather than quick checks.

  • ATTO Disk Benchmark

    A free benchmark from ATTO Technology for measuring storage read and write performance.

    FreeProprietaryWindows

    ATTO Disk Benchmark is a free proprietary Windows tool for quick read and write speed tests.

  • AS SSD Benchmark

    Quick Windows benchmark tool for testing SSD read and write speeds.

    FreeProprietaryWindows

    AS SSD Benchmark is a free closed-source Windows benchmark focused on SSDs, needing no installation.

KDiskMark as an alternative

Listings that name KDiskMark as an alternative.

  • HD Tune

    Benchmarks storage drives and scans them for errors and S.M.A.R.T. warnings.

    FreemiumProprietaryWindows

    KDiskMark is a free Linux disk benchmark built on fio with configurable block size and queues, but it does not scan for errors or read S.M.A.R.T. data.

Similar software

Related functionality, not necessarily a direct replacement.

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