Geekbench vs LMbench

Geekbench is a cross-platform benchmark for measuring system performance across processors, devices, and operating systems. Its CPU benchmark covers single-core and multi-core performance in everyday application areas, while GPU Compute tests workloads including machine learning, image processing, and video editing. GPU tests support OpenCL, Metal, Vulkan, and CUDA. The free edition includes CPU Benchmark, GPU Compute Benchmark, and Online Results Management. Users can upload results to the Geekbench Browser and share them; accounts let them track results across devices. Benchmark charts aggregate results from real-user environments. Geekbench runs on Android, iOS, macOS, Windows, and Linux. Geekbench 7 Pro costs $99, paid once per user and adds command-line automation, standalone operation from portable storage or a network drive, and local result saving. Pro is licensed for commercial use. Support includes a community, email support, and a knowledge base. It is made by Primate Labs Inc., founded in 2004.

LMbench is a free, self-hosted benchmark suite for measuring system performance, with a focus on data movement and its cost. Its workload areas include memory, disks, file systems, networks, pipes, virtual memory, processor operations, cache, and TLB behavior. Latency measurements report time and CPU cycles per operation; bandwidth results include megabytes per second and CPU cycles per megabyte. Other benchmarks cover null process execution time, context switching, network transfers, socket operations, and large-transfer throughput. The command line can run benchmarks, and `make see` compares results with system results included in the repository. Documentation names UNIX/POSIX, Linux, FreeBSD, NetBSD, Solaris, SunOS, AIX, HP-UX, IRIX, OSF/1, and partial Windows NT support. Linux and Windows are listed as platforms. LMbench is GPL-2.0 licensed and costs nothing. Its documentation warns that other system activity, especially CPU cache and cycle effects, can affect measurements, and recommends multiple runs with output comparison.