CoreFreq vs HCI MemTest

CoreFreq is free Linux CPU-monitoring software with BIOS-like controls for 64-bit processors. It reads frequencies, ratios, performance counters, instructions per cycle, C-states, temperature, and documented core-voltage readings. The interface shows processor features, brand and architecture strings, plus a topology map including caches. Its driver exposes controls for Turbo Boost, power management, thermal limits, prefetchers, and hardware-controlled performance states. A daemon and command-line client provide monitoring views and JSON-encoded system information. Listed architectures include Intel and AMD families, Arm A64, RISC-V RV64, and PowerPC64 LE. Requirements include Linux kernel 3.3 or newer and GNU C Library. Installation can use source builds or packages for several distributions. The project is GPL-2.0 licensed and uses shared memory between its kernel module and user-space component. Some virtual machines may hide required registers. Driver signing is required when kernel signature verification is enabled. The interface renders best in ASCII or VT100 terminals.

HCI MemTest checks whether a computer can store and retrieve data from memory reliably. Its maker recommends running it after buying a computer, installing RAM, or changing the system configuration, including overclocking. The free MemTest download is Version 7.0 for Windows 9x, XP, 7, 8, 10, and 11; the product listing also names Linux. MemTest Pro adds controls for the number of threads and RAM assigned to each, plus summaries of results and total throughput. Pro also supports command-line automation, saves error logs to disk, and can test memory in the background while the computer is in use. Deluxe includes Pro and adds a 64-bit bootable CD or USB version that accesses all RAM without loading an operating system. That boot option requires CSM or legacy BIOS support. The maker recommends 100% coverage for most errors and around 400% for intermittent failures. The FAQ cautions that software cannot reliably identify a failing physical chip; testing modules one at a time may help isolate a faulty board. The free download can be unzipped into a folder and removed by deleting its contents. Free use is available; MemTest Pro costs $5, paid once, and Deluxe costs $14, paid once.