CPU-Z vs SIW

CPU-Z8.9Visit SIW8.6Visit

Higher score CPU-Z #2 in System Information Software 8.9/10 Free plan Free plan✓ 3 of 4 features Visit CPU-Z

vs

SIW #4 in System Information Software 8.6/10 14-day trial Free trial✓ 4 of 4 features Visit SIW

• CPU-Z fits best

  Free cross-device CPU and component details

• SIW fits best

  Professional Windows system inventory

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Side by side

Feature	CPU-Z 8.9/10 Visit ↗	SIW 8.6/10 Visit ↗
At a glance
Editor score	8.9	8.6
Ranking	#2 in System Information Software	#4 in System Information Software
Best for	Free cross-device CPU and component details	Professional Windows system inventory
Pricing model	Free	Paid
Starting price	Free plan	—
Free plan	✓ (best)	—
Free trial	—	14 days
Deployment	Desktop, Mobile	Desktop
Platforms	Windows, Android	Windows
Support	Email, Docs	Email, Community, Docs
Built for	Solo, Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features CPU-Z 3/4 · SIW 4/4
Firmware details	✓	✓
Installed software	—	✓ (best)
Portable version	✓	✓
Command-line interface	✓	✓
Specs
Operating systems	Other	Windows
Report export	Html	Html
Our review
Pros	Detailed processor, motherboard, memory, SPD, and frequency reporting Free coverage across Windows and Android Portable ZIP edition, reports, validation, and command-line support	Detailed hardware, software, network, BIOS, and firmware inventory Portable Technician’s Version runs without installation Batch, command-line, and multi-format report generation
Cons	Does not report installed software Narrower scope than full inventory suites Android version includes advertisements unless removed by purchase	Windows-only platform limits cross-platform inventory work No free plan; access is offered through paid editions Updates and support vary by the selected edition
Our verdict	CPU-Z is a focused system information utility from CPUID for people who need detailed hardware and device specifications rather than broad asset inventory. On Windows, it covers the processor, motherboard, chipset, memory, SPD modules, and… Read the review →	SIW is a Windows system information and diagnostics utility for IT support teams, system administrators, security auditors, and professionals managing computer inventories. It analyzes hardware, software, operating-system settings,… Read the review →

Strengths and trade-offs

• CPU-Z — where it wins

  • Detailed processor, motherboard, memory, SPD, and frequency reporting
  • Free coverage across Windows and Android
  • Portable ZIP edition, reports, validation, and command-line support

  Where it doesn't

  • Does not report installed software
  • Narrower scope than full inventory suites
  • Android version includes advertisements unless removed by purchase

• SIW — where it wins

  • Detailed hardware, software, network, BIOS, and firmware inventory
  • Portable Technician’s Version runs without installation
  • Batch, command-line, and multi-format report generation

  Where it doesn't

  • Windows-only platform limits cross-platform inventory work
  • No free plan; access is offered through paid editions
  • Updates and support vary by the selected edition

• CPU-Z8.9/10 · Free plan

  A focused, free utility for detailed CPU, memory, motherboard, and Android device information.

  Visit CPU-ZFull verdict →
• SIW8.6/10 · 14-day trial

  A broad Windows inventory tool for IT support, audits, and system administration.

  Visit SIWFull verdict →