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Head-to-head · Disk Benchmark Software

DiskSpd vs Modern FS Benchmark

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score DiskSpd #5 in Disk Benchmark Software 7.8/10 Free plan Free plan✓ 5 of 5 features Visit DiskSpd
Modern FS Benchmark #6 in Disk Benchmark Software 7.7/10 Free plan Free plan✓ 5 of 5 features Visit site

DiskSpd leads on 0 checks, Modern FS Benchmark on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreDiskSpd · 7.8/10
  • Free planboth

DiskSpd scores higher on our rubric for disk benchmark software: 7.8 against 7.7 out of 10; our editors rank them #5 and #6.

DiskSpd is the better fit for free Windows low-level benchmarking. Modern FS Benchmark is the better fit for advanced Linux filesystem evaluation.

  • DiskSpd fits best

    Free Windows low-level benchmarking

  • Modern FS Benchmark fits best

    Advanced Linux filesystem evaluation

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Side by side

Feature DiskSpd 7.8/10 Visit ↗ Modern FS Benchmark 7.7/10 Visit ↗
At a glance
Editor score 7.8 7.7
Ranking #5 in Disk Benchmark Software #6 in Disk Benchmark Software
Best for Free Windows low-level benchmarking Advanced Linux filesystem evaluation
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop Self-hosted
Platforms Windows Linux
Support Docs Community, Docs
Built for Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features DiskSpd 5/5 · Modern FS Benchmark 5/5
Random I/O tests ✓ ✓
Sequential tests ✓ ✓
IOPS measurement ✓ ✓
Latency measurement ✓ ✓
Command-line interface ✓ ✓
Specs
Supported platforms Windows Linux
Our review
Pros
  • Configures random and sequential workloads in detail
  • Measures IOPS, latency percentiles, and interval statistics
  • Tests files, partitions, and physical devices
  • Tests redundancy, snapshots, compression, rebuilds, and recovery
  • Measures random and sequential I/O, IOPS, latency, and tail behavior
  • Runs in GitHub Actions or on real hardware with JSON and dashboards
Cons
  • Windows is the primary supported platform
  • Command-line operation requires technical familiarity
  • Results are focused on benchmarking rather than visual reporting
  • Linux-only platform support
  • Requires filesystem and hardware benchmarking expertise
  • Focused on filesystem evaluation rather than general disk testing
Our verdict

DiskSpd is Microsoft’s command-line storage load generator and performance testing tool for Windows. It is intended for technical users who need configurable benchmarks for regular files, partitions, or physical devices. Workloads can be…

Read the review →

Modern FS Benchmark is an open-source Linux benchmark suite for comparing copy-on-write and classic filesystem stacks. It is designed for engineers evaluating btrfs, ZFS, bcachefs, ext4, and XFS across single-device, redundant, encrypted,…

Read the review →
  1. DiskSpdDisk Benchmark Software 7.8Free plan
  2. Modern FS BenchmarkDisk Benchmark Software 7.7Free plan

Strengths and trade-offs

  • DiskSpd — where it wins

    • Configures random and sequential workloads in detail
    • Measures IOPS, latency percentiles, and interval statistics
    • Tests files, partitions, and physical devices

    Where it doesn't

    • Windows is the primary supported platform
    • Command-line operation requires technical familiarity
    • Results are focused on benchmarking rather than visual reporting

  • Modern FS Benchmark — where it wins

    • Tests redundancy, snapshots, compression, rebuilds, and recovery
    • Measures random and sequential I/O, IOPS, latency, and tail behavior
    • Runs in GitHub Actions or on real hardware with JSON and dashboards

    Where it doesn't

    • Linux-only platform support
    • Requires filesystem and hardware benchmarking expertise
    • Focused on filesystem evaluation rather than general disk testing
  • DiskSpd7.8/10 · Free plan

    A free, open-source Windows tool for configurable low-level disk benchmarks.

    Visit DiskSpdFull verdict →
  • Modern FS Benchmark7.7/10 · Free plan

    A deep Linux filesystem benchmark suite for repeatable performance and recovery comparisons.

    Visit siteFull verdict →

More comparisons

All disk benchmark software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update