cpubench.exe

What is cpubench.exe?

cpubench.exe is the executable that runs CPU benchmarking routines for the CPUBench tool. When started, it coordinates a sequence of tests to measure processor speed, cache access, and instruction throughput across cores. It reports results to the user interface and logs performance metrics for comparison.

CPUBench uses a modular, multi-threaded design that executes discrete CPU tests in separate worker contexts to prevent test interference. It aggregates timing data, thermals, and throughput metrics to produce a final score without altering core system behavior beyond test workloads.

Types of CPUBench Processes

• Controller Process: Orchestrates the benchmarking session and coordinates test modules
• Worker Process: Runs individual benchmark tests across CPU cores in parallel
• Telemetry/Logging: Collects timing data, metrics, and error logs during tests
• UI/CLI Interface: Provides user interface for starting benchmarks and viewing results

Is cpubench.exe Safe?

Yes, cpubench.exe is safe when obtained from a reputable vendor and located in the official program files directory.

Is cpubench.exe a Virus or Malware?

The real cpubench.exe is NOT a virus. However, malware occasionally disguises itself with similar names. Verify the source and digital signature.

How to Tell if cpubench.exe is Legitimate or Malware

1. File Location: Must be in C:\Program Files\CPUBench\cpubench.exe or C:\Program Files (x86)\CPUBench\cpubench.exe. Any cpubench.exe elsewhere is suspicious.
2. Digital Signature: Right-click the file in File Explorer > Properties > Digital Signatures. It should show a valid signature from "TechBench LLC" or a recognized vendor.
3. Resource Usage: Normal benchmarking uses bursts of CPU activity; look for sustained high usage outside a test window as suspicious.
4. Behavior: CPUBench should run only during a benchmark. Continuous background activity when idle can indicate malware.

Why Is cpubench.exe Running on My PC?

cpubench.exe runs when you start a CPU benchmark, when software integrates CPUBench testing, or when a system monitoring tool triggers automated performance checks.

Reasons it's running:

• Active Benchmark Run: You started a CPUBench test; the orchestrator launches worker tests across cores.
• Background Telemetry: The tool collects timing and thermal data during tests and may log results for later review.
• Startup Calibration: Some software calibrates baseline CPU performance on launch and uses cpubench.exe to establish a reference.
• Software Automation: CI pipelines or performance suites invoke CPUBench for automated benchmarking during builds.
• Driver/Utility Integration: Certain utilities load CPUBench to validate CPU performance after driver updates or BIOS changes.

Can I Disable or Remove cpubench.exe?

Yes, you can disable cpubench.exe. It is safe to close or stop benchmarking, and you can uninstall it if you no longer need CPU benchmarking functionality.

How to Stop cpubench.exe

• End Individual Benchmarks: In the CPUBench UI, stop or pause the current benchmark session to halt tests.
• Close Application: Exit the CPUBench UI or command-line session.
• End All Processes: Open Windows Task Manager (Ctrl+Shift+Esc), locate cpubench.exe, and End Task.
• Prevent Startup: Task Manager -> Startup tab -> Disable CPUBench from launching at logon.
• Stop Background Monitoring: In CPUBench settings, disable "Continue benchmarking in background" or similar telemetry options.

How to Uninstall CPUBench

• ✔ Windows Settings -> Apps -> Apps & Features -> CPUBench -> Uninstall
• ✔ Control Panel -> Programs -> Uninstall a program -> CPUBench -> Uninstall
• ✔ Restart your PC after removal

Common Problems: High CPU or Inaccurate Benchmark Results

If cpubench.exe is producing erratic scores or high CPU usage, check common causes and apply targeted fixes.

Common Causes & Solutions

• Too Many Background Tasks: Close unrelated applications and minimize the number of concurrent tasks during benchmarks.
• Thermal Throttling: Ensure cooling is adequate, clean fans, reapply thermal paste if needed, and run benchmarks with proper ventilation.
• Incorrect CPU Affinity: Reset affinity to default or let CPUBench auto-allocate cores for testing.
• Outdated CPUBench Version: Update to the latest CPUBench build to ensure accurate and reproducible results.
• Baseline Calibration Errors: Run a fresh baseline before benchmarking and ensure consistent test settings across runs.
• Antivirus Interference: Temporarily disable real-time scanning during a benchmark if safe, or add CPUBench as an exception.

Related Processes