CrystalDiskMark vs DiskSpd

CrystalDiskMark9.0Visit DDiskSpd7.8Visit

Higher score CrystalDiskMark #1 in Disk Benchmark Software 9.0/10 Free plan Free plan✓ 0 of 5 features Get CrystalDiskMark

vs

D DiskSpd #5 in Disk Benchmark Software 7.8/10 Free plan Free plan✓ 5 of 5 features Visit DiskSpd

• CrystalDiskMark fits best

  Easy Windows SSD and disk testing

• DiskSpd fits best

  Free Windows low-level benchmarking

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Side by side

Feature	CrystalDiskMark 9.0/10 Visit ↗	DDiskSpd 7.8/10 Visit ↗
At a glance
Editor score	9.0	7.8
Ranking	#1 in Disk Benchmark Software	#5 in Disk Benchmark Software
Best for	Easy Windows SSD and disk testing	Free Windows low-level benchmarking
Pricing model	Free	Free
Starting price	Free plan	Free plan
Free plan	✓	✓
Free trial	—	—
Deployment	Desktop	Desktop
Platforms	Windows	Windows
Built for	Solo, Small business	Mid-market, Enterprise
Features CrystalDiskMark 0/5 · DiskSpd 5/5
Random I/O tests	Not checked yet	✓ (best)
Sequential tests	Not checked yet	✓ (best)
IOPS measurement	Not checked yet	✓ (best)
Latency measurement	Not checked yet	✓ (best)
Command-line interface	Not checked yet	✓ (best)
Specs
Supported platforms	Not checked yet	Windows
Our review
Pros	Tests sequential, random, read, write, and mixed performance. Shows MB/s, GB/s, IOPS, and average latency results. Exports results as text or PNG, JPEG, and BMP images.	Configures random and sequential workloads in detail Measures IOPS, latency percentiles, and interval statistics Tests files, partitions, and physical devices
Cons	Windows-only software. The Microsoft Store edition costs $9.99 one-time. Its many settings may be more than casual users need.	Windows is the primary supported platform Command-line operation requires technical familiarity Results are focused on benchmarking rather than visual reporting
Our verdict	CrystalDiskMark is an open-source Windows storage benchmark for measuring sequential, random, read, write, and mixed disk performance. It suits users comparing SSDs, checking drive behavior, or documenting storage results. You choose the… Read the review →	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 →

Strengths and trade-offs

• CrystalDiskMark — where it wins

  • Tests sequential, random, read, write, and mixed performance.
  • Shows MB/s, GB/s, IOPS, and average latency results.
  • Exports results as text or PNG, JPEG, and BMP images.

  Where it doesn't

  • Windows-only software.
  • The Microsoft Store edition costs $9.99 one-time.
  • Its many settings may be more than casual users need.

• 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

• CrystalDiskMark9.0/10 · Free plan

  A configurable Windows disk benchmark with detailed speed, IOPS, and latency results.

  Get CrystalDiskMarkFull verdict →
• DDiskSpd7.8/10 · Free plan

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

  Visit DiskSpdFull verdict →