https://www.intel.com/content/www/us/en/content-details/812036/intel-r-pentium-r-4-processor-651-supporting-hyper-threading-technology-and-intel-r-celeron-r-d-processor-352-pcn-107622-00-product-support-transitioning-from-intel-architecture-to-embedded-architecture.html
Intel(R) Pentium(R) 4 Processor 651 supporting Hyper-Threading Technology and Intel(R) Celeron(R) D...
Desktop Processors, Embedded Processors, Product Support, Product transitioning from Intel Architecture to Embedded Intel Architecture.
hyper threading technology