Most x86 processors support the CPUID instruction which returns data describing the make and model of the CPU. Later processors also support extended features such as cache details, processor features, design speed and processor name. CPUSpy interrogates your processor and displays this data (if supported) in a easy to read tabbed format. L1, L2 and L3 cache data is fully broken down as are the processor flags. In addition, CPUSpy can also measure your current CPU speed in MHz, Windows Up-Time, IP address, Window Version and memory status. CPUSpy even can run a test on your cache memory to provide an easy comparison between various processors or system configurations.

CPUSpy also has an internal database of many common CPUs, supporting all new AMD(tm) and Intel(tm) processors. This can be used to compare betwwn processors features such as bus speed, maximum frequency, cache sizes, release dates, codename, and transistor count. Interesting facts are also included for most major types.

Processor data can be saved in a report file providing an easy way to extract data from a PC and analyse it later. CPUSpy is a one-file-program, takes up less than 100KB installed and is written in high-efficiency assembly language.

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