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Head-to-head · Hardware Diagnostic Software

Blackwire Hardware Diagnostics vs MemTest86

  • Updated Oct 2026
  • Both researched from official sources
  • 7 checks side by side
Higher score Blackwire Hardware Diagnostics #2 in Hardware Diagnostic Software 9.2/10 Free plan Free plan✓ 6 of 6 features Visit Blackwire
MemTest86 #8 in Hardware Diagnostic Software 7.9/10 Free plan Free plan✓ 3 of 6 features Visit MemTest86

Blackwire Hardware Diagnostics leads on 0 checks, MemTest86 on 0, and 7 are even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreBlackwire Hardware Diagnostics · 9.2/10
  • Free planboth
  • Most featuresBlackwire Hardware Diagnostics · 6 of 6

Blackwire Hardware Diagnostics scores higher on our rubric for hardware diagnostic software: 9.2 against 7.9 out of 10; our editors rank them #2 and #8.

Blackwire Hardware Diagnostics is the better fit for broad diagnostics on a budget. MemTest86 is the better fit for advanced RAM testing and deployment.

  • Blackwire Hardware Diagnostics fits best

    Broad diagnostics on a budget

  • MemTest86 fits best

    Advanced RAM testing and deployment

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Side by side

Feature Blackwire Hardware Diagnostics 9.2/10 Visit ↗ MemTest86 7.9/10 Visit ↗
At a glance
Editor score 9.2 7.9
Ranking #2 in Hardware Diagnostic Software #8 in Hardware Diagnostic Software
Best for Broad diagnostics on a budget Advanced RAM testing and deployment
Pricing model Free plan + paid Free plan + paid
Starting price $9.99 one-time $76/yr
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted Desktop
Support Email Email, Phone, Community, Docs
Built for Solo, Small business, Mid-market Solo, Small business, Mid-market, Enterprise
Features Blackwire Hardware Diagnostics 6/6 · MemTest86 3/6
Stress testing ✓ (best) Not checked yet
Memory testing ✓ ✓
Disk health checks ✓ (best) Not checked yet
GPU testing ✓ (best) Not checked yet
Bootable diagnostic media ✓ ✓
Diagnostic reports ✓ ✓
Specs
Platform support Multi-platform Multi-platform
Our review
Pros
  • Free plan includes CPU, memory, storage, display, security, ECC, and stress tests
  • Bootable 64-bit UEFI ISO runs independently of the installed operating system
  • Business adds PDF, HTML, TXT, CSV, JSON, and diagnostic log exports
  • Boots from USB or network media without an operating system
  • Supports 14 RAM algorithms, Row Hammer detection, and ECC features
  • Adds HTML reports, automation, and PXE deployment in Pro editions
Cons
  • Requires compatible 64-bit UEFI firmware and supported hardware
  • Secure Boot must be disabled for current builds
  • Free and Home Support plans do not provide Business reporting features
  • Advanced capabilities require a paid Pro or Site edition
  • Testing runs as standalone bootable software, not inside an operating system
  • Updates, downloads, and support beyond 12 months require an extension
Our verdict

Blackwire Hardware Diagnostics is a bootable x64 UEFI application for checking supported PC hardware independently of Windows or another installed operating system. It is aimed at technicians, repair shops, IT professionals, MSPs,…

Read the review →

MemTest86 is standalone memory diagnostic software for testing computer RAM for faults. It boots from USB or network media and supports x86, x86-64, and ARM64 systems, making it suitable for system builders, PC repair stores, overclockers,…

Read the review →
  1. Blackwire Hardware DiagnosticsHardware Diagnostic Software 9.2Free plan
  2. MemTest86Hardware Diagnostic Software 7.9Free plan

Strengths and trade-offs

  • Blackwire Hardware Diagnostics — where it wins

    • Free plan includes CPU, memory, storage, display, security, ECC, and stress tests
    • Bootable 64-bit UEFI ISO runs independently of the installed operating system
    • Business adds PDF, HTML, TXT, CSV, JSON, and diagnostic log exports

    Where it doesn't

    • Requires compatible 64-bit UEFI firmware and supported hardware
    • Secure Boot must be disabled for current builds
    • Free and Home Support plans do not provide Business reporting features

  • MemTest86 — where it wins

    • Boots from USB or network media without an operating system
    • Supports 14 RAM algorithms, Row Hammer detection, and ECC features
    • Adds HTML reports, automation, and PXE deployment in Pro editions

    Where it doesn't

    • Advanced capabilities require a paid Pro or Site edition
    • Testing runs as standalone bootable software, not inside an operating system
    • Updates, downloads, and support beyond 12 months require an extension
  • Blackwire Hardware Diagnostics9.2/10 · Free plan

    Broad bootable hardware diagnostics with a free plan and optional reporting tiers.

    Visit BlackwireFull verdict →
  • MemTest867.9/10 · Free plan

    A capable RAM diagnostic suite, with advanced deployment features reserved for paid editions.

    Visit MemTest86Full verdict →

More comparisons

All hardware diagnostic software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update