Head-to-head · Disk Benchmark Software
Modern FS Benchmark vs AS SSD Benchmark
Modern FS Benchmark leads on 0 checks, AS SSD 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 scoreModern FS Benchmark · 7.7/10
- Free planboth
- Most featuresModern FS Benchmark · 5 of 5
Modern FS Benchmark scores higher on our rubric for disk benchmark software: 7.7 against 7.5 out of 10; our editors rank them #6 and #8.
Modern FS Benchmark is the better fit for advanced Linux filesystem evaluation. AS SSD Benchmark is the better fit for windows SSD comparison testing.
- Modern FS Benchmark fits best
Advanced Linux filesystem evaluation
- AS SSD Benchmark fits best
Windows SSD comparison testing
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Side by side
| Feature | Modern FS Benchmark 7.7/10 Visit ↗ | AS SSD Benchmark 7.5/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 7.7 | 7.5 |
| Ranking | #6 in Disk Benchmark Software | #8 in Disk Benchmark Software |
| Best for | Advanced Linux filesystem evaluation | Windows SSD comparison testing |
| Pricing model | Free | Free |
| Starting price | Free plan | Free plan |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Self-hosted | Desktop |
| Platforms | Linux | Windows |
| Built for | Solo, Small business, Mid-market, Enterprise | Solo, Small business |
| Features Modern FS Benchmark 5/5 · AS SSD Benchmark 4/5 | ||
| Random I/O tests | ✓ | ✓ |
| Sequential tests | ✓ | ✓ |
| IOPS measurement | ✓ | ✓ |
| Latency measurement | ✓ | ✓ |
| Command-line interface | ✓ (best) | Not checked yet |
| Specs | ||
| Supported platforms | Linux | Windows |
| Our review | ||
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| Our verdict | 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 → |
AS SSD Benchmark is a free Windows utility for measuring solid-state drive performance. It suits buyers, builders, and technical users who need comparable results across SSDs, including NVMe models. Its test set covers sequential read and… Read the review → |
Strengths and trade-offs
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
AS SSD Benchmark — where it wins
- Tests sequential, random 4K, and 4K-64-thread performance
- Combines access time, compression, copy, scoring, and IOPS results
- Supports NVMe SSD testing and practical ISO, program, and game file copies
Where it doesn't
- Windows-only platform support
- No verified CLI support
- Published download page lists a 2017 release
- Modern FS Benchmark7.7/10 · Free plan
A deep Linux filesystem benchmark suite for repeatable performance and recovery comparisons.
Visit siteFull verdict → - AS SSD Benchmark7.5/10 · Free plan
A focused, free Windows utility for comparing SSD speed, latency, scoring, and IOPS.
Try AS SSD BenchmarkFull verdict →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update

