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Head-to-head · PC Stress Testing Tools

MemTest86 vs Linpack Xtreme

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score MemTest86 #6 in PC Stress Testing Tools 8.2/10 Free plan Free plan✓ 0 of 5 features Visit MemTest86
Linpack Xtreme #8 in PC Stress Testing Tools 7.9/10 Free plan Free plan✓ 1 of 5 features Visit Linpack Xtreme

MemTest86 leads on 0 checks, Linpack Xtreme on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMemTest86 · 8.2/10
  • Free planboth
  • Most featuresLinpack Xtreme · 1 of 5

MemTest86 scores higher on our rubric for pc stress testing tools: 8.2 against 7.9 out of 10; our editors rank them #6 and #8.

MemTest86 is the better fit for bootable RAM diagnostics and detailed fault reporting. Linpack Xtreme is the better fit for free CPU testing on Windows or Linux.

  • MemTest86 fits best

    Bootable RAM diagnostics and detailed fault reporting

  • Linpack Xtreme fits best

    Free CPU testing on Windows or Linux

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. How we rank.

Side by side

Feature MemTest86 8.2/10 Visit ↗ Linpack Xtreme 7.9/10 Visit ↗
At a glance
Editor score 8.2 7.9
Ranking #6 in PC Stress Testing Tools #8 in PC Stress Testing Tools
Best for Bootable RAM diagnostics and detailed fault reporting Free CPU testing on Windows or Linux
Pricing model Free plan + paid Free
Starting price $76/yr Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop Desktop
Platforms Windows, macOS, Linux Windows, Linux
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business
Features MemTest86 0/5 · Linpack Xtreme 1/5
CPU stress testing Not checked yet ✓ (best)
GPU stress testing Not checked yet Not checked yet
Memory stress testing Not checked yet Not checked yet
Combined system workload Not checked yet Not checked yet
Error detection Not checked yet Not checked yet
Specs
Platform support Not checked yet Not checked yet
Our review
Pros
  • Tests RAM from bootable USB or PXE media without an operating system
  • 14 algorithms include Row Hammer detection, with ECC checks on supported hardware
  • Pro adds customizable HTML reports, automation, and fault localization
  • Runs CPU performance benchmarks and stability tests
  • Offers selectable modes and configurable test settings
  • Includes portable builds, bootable ISOs, and HWMonitor
Cons
  • Focuses on memory rather than whole-PC stress testing
  • Pro Download starts at $116 USD as a one-time purchase
  • Updates, downloads, and support beyond 12 months require an extension
  • Focuses on CPU testing; GPU testing is not established
  • Uses a console interface and keyboard-based configuration
  • Does not establish wider component coverage or explicit error reporting
Our verdict

MemTest86 is standalone software for diagnosing RAM faults by booting from USB or network media, rather than running inside Windows, macOS, or Linux. It is aimed at system builders, PC repair stores, overclockers, manufacturers, and others…

Read the review →

Linpack Xtreme is a console-based utility for benchmarking CPU performance and checking system stability. It is aimed at people who want to run a CPU test on a Windows or Linux system, including solo users and small setups. Users choose a…

Read the review →
  1. MemTest86PC Stress Testing Tools 8.2Free plan
  2. Linpack XtremePC Stress Testing Tools 7.9Free plan

Strengths and trade-offs

  • MemTest86 — where it wins

    • Tests RAM from bootable USB or PXE media without an operating system
    • 14 algorithms include Row Hammer detection, with ECC checks on supported hardware
    • Pro adds customizable HTML reports, automation, and fault localization

    Where it doesn't

    • Focuses on memory rather than whole-PC stress testing
    • Pro Download starts at $116 USD as a one-time purchase
    • Updates, downloads, and support beyond 12 months require an extension

  • Linpack Xtreme — where it wins

    • Runs CPU performance benchmarks and stability tests
    • Offers selectable modes and configurable test settings
    • Includes portable builds, bootable ISOs, and HWMonitor

    Where it doesn't

    • Focuses on CPU testing; GPU testing is not established
    • Uses a console interface and keyboard-based configuration
    • Does not establish wider component coverage or explicit error reporting

More comparisons

All PC stress testing tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update