MemTest86+ vs Geekbench
Side-by-side comparison of features, pricing, ratings, and alternatives.
MemTest86+ is a standalone memory testing software designed to thoroughly diagnose and stress-test computer RAM for hardware faults and stability issues. Operating independently of any operating system, it boots directly from removable media to execute rigorous algorithmic patterns against physical memory addresses. Widely trusted by PC builders, system administrators, and hardware technicians, it helps isolate faulty RAM sticks, unstable overclocks, and subtle memory degradation before they cause data corruption or system crashes.
Geekbench is a comprehensive cross-platform benchmarking tool designed to measure system performance with a single click. It evaluates both single-core and multi-core capabilities across various workloads to provide a clear picture of how a device handles everyday tasks and demanding applications. Widely used by consumers, hardware reviewers, and IT professionals, Geekbench provides standardized scoring metrics to easily compare performance across different operating systems and hardware architectures. Its detailed reporting helps users diagnose performance bottlenecks and evaluate hardware upgrades.
- Completely free and open source
- Runs independently of the operating system
- Supports both UEFI and legacy BIOS
- Deep diagnostic algorithms detect subtle hardware faults
- Easy to use with a single-click testing process
- Comprehensive cross-platform support
- Detailed and shareable online result browser
- Includes specialized AI and GPU workloads
- Requires creating a bootable USB drive to run
- Lacks a graphical desktop interface during testing
- Cannot test RAM while the primary operating system is running
- Free version is limited to 32-bit testing on some platforms
- Does not provide granular component stress testing
- Advanced features require a paid professional license
The Verdict
AI-generated from listing dataGeekbench is the safer default for general performance benchmarking across platforms, while MemTest86+ is the specialist, free tool for deep RAM diagnostics.
Key differences
- •Geekbench benchmarks CPU, GPU, and AI workloads across Windows, macOS, Linux, iOS, and Android; MemTest86+ only tests RAM on x86 PCs.
- •Geekbench offers a freemium model with paid professional features; MemTest86+ is completely free and open‑source.
- •Geekbench provides an online result browser for sharing and comparison; MemTest86+ runs offline with no sharing portal.
- •Geekbench includes an API and command‑line automation for enterprise testing; MemTest86+ has no API.
- •Geekbench runs as a desktop app within the OS; MemTest86+ boots from USB/CD, independent of any OS.
Pricing & value
Geekbench freemium offers paid professional license for advanced features; MemTest86+ is free but limited to RAM testing only.
Ease of use / learning curve
Geekbench single‑click UI and online browser are easier than creating a bootable USB for MemTest86+.
Features & depth
MemTest86+ provides deep, algorithmic RAM diagnostics unavailable in Geekbench, which focuses on CPU/GPU/AI.
Integrations & ecosystem
Geekbench includes an API and command‑line tools for automation; MemTest86+ has no API.
Collaboration
Geekbench’s online result browser enables sharing and global comparison; MemTest86+ lacks any collaborative platform.
Scalability
Geekbench supports cross‑platform testing and batch automation for enterprise hardware validation; MemTest86+ runs only on bootable x86 systems.
Support
Geekbench offers email support and a knowledge base; MemTest86+ relies on community forums and GitHub issues.
Choose MemTest86+ if…
PC builders or technicians needing thorough, free RAM fault detection on x86 machines without an OS.
Choose Geekbench if…
Hardware reviewers or IT teams needing multi‑platform CPU/GPU/AI benchmarks with sharing and automation.
Common questions
Can I benchmark GPU performance with MemTest86+?
No, MemTest86+ only tests memory; GPU benchmarking is provided by Geekbench.
Do I need to purchase a license to use Geekbench for basic testing?
No, basic single‑core and multi‑core tests are available in the free version, but advanced features require a paid license.
Is it possible to run MemTest86+ while Windows is running?
No, MemTest86+ must be booted from a USB or CD and runs outside the operating system.