Large CPU collector web site that features a searchable collection, from early vintage to more modern models, with photos, information, specifications, and forum. Includes many non Intel CPUs (ex Motorola and Cyrix).

Large CPU collection organized by manufacturer and class. This site features a variety of identification tools and forum.

German collection of early to late model cpus with photos and specifications. It also features an interactive forum.

A German website featuring a collection of obsolete CPUs. Information about package and socket types. The collection can be viewed by manufacturer or family. It also features a shared forum with cpu-museum.de.

A rather large collection of CPUs and other support chips. The site features a photo directory organized by manufacturer.

A Engineering Sample (ES) only CPU collector web site. This site features an collection of engineering samples and prototypes (mainly x86 architecture).