AmorphousMemoryMark
AmorphousMemoryMark is a macOS memory benchmark utility that measures RAM read and write performance in GB/s with sequential and random tests.
What is AmorphousMemoryMark?
AmorphousMemoryMark is a native macOS utility for benchmarking memory performance. It helps Mac users measure RAM read and write throughput in gigabytes per second, making it useful for comparing memory configurations, checking upgrade results, and evaluating system performance under different test patterns. The app includes sequential and random tests, supports single-threaded and multi-threaded runs, and lets users adjust test size, interval, and data options for more controlled comparisons. Results are presented in a familiar benchmark-style layout and can be saved for reference or sharing. AmorphousMemoryMark is published by Katsura Shareware and is primarily used by enthusiasts, reviewers, and users who want a straightforward way to test memory bandwidth on macOS.
Key features
- Run sequential memory read and write benchmarks in GB/s
- Measure random 4 KiB read and write performance
- Test with single-threaded or multi-threaded workloads
- Adjust test sizes from small runs to large memory workloads
- Choose timing intervals for repeated measurements
- Save benchmark screenshots for sharing or recordkeeping
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Safety overview
Status: Safe
This is a legitimate benchmarking utility for macOS. Its normal use is to allocate memory and run performance tests, which can temporarily place a heavy load on system resources while a benchmark is running. That behavior is expected for this kind of tool. Use it when you want to measure memory performance, and close it when you are finished if you do not need it running.
Recommendation: Keep AmorphousMemoryMark if you use it to benchmark RAM performance, compare Mac hardware, or document memory test results. If you do not run memory benchmarks, you can remove it without affecting normal macOS operation.
Common paths
/Applications/AmorphousMemoryMark.app
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