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AMD 29000 25GC GV

32-bit embedded RISC microprocessor

AMD Sempron 64 microprocessor

AMD Sempron processor family is a budget line of AMD desktop microprocessors. The family is based on two architectures:

• K7 architecture. All K7 Sempron processors are compatible with socket 462 (socket A). For description of these processors please see AMD K7 Sempron page.
• K8 architecture. Majority of Sempron processors use socket 754. Some recently released Sempron processors use socket 939. Many recently produced Sempron processors support 64-bit mode - these processors are usually called Sempron 64.

This page describes only microprocessors based on K8 architecture. K8 Sempron CPUs are based on the same core as Athlon 64 processors, with some of processor features limited:

• Earlier Sempron microprocessors didn't support 64-bit mode.
• The processors have smaller size of L2 cache - 128 Kb or 256 KB.
• The processors have single channel memory controller and slower HyperTransport link.

Like their K7 Sempron counterparts, K8 Sempron CPUs use rated speed which is relative to performance of Intel Celeron processors.

Computer and CPU-related collections

ChipScapes. Chip die pictures and chip pictures as a form of art. Gallery of artworks.
CPU Photo Library. Collection of microprocessor and co-processor pictures. All pictures on the site are donated by chip collectors.
Computer Closet Home page. Big collection of old computers and home video games.
Molecular Expressions Chip Shots. CPU die pictures of many different processor families starting from 4004 up to Athlon.
Old Computers. Very impressive collection of old computers. Forum. Links.
Online Museum of old CPU Coolers (In German). Collection of old CPU coolers for 80486 and Pentium class processors. Links.
The Old Calculator Web Museum. Big collection of vintage calculators with many pictures and detailed descriptions. Calculator advertisement pictures. Articles. Links.

Pages dedicated to collections of chips/microprocessors

Personal Processor Collection. Collection of mostly x86 microprocessors. Each family is represented by one processor.
Vintage Intel Microchips. "The Collector's Guide to Vintage Intel Microchips" written by George Phillips. The guide includes information, chip markings, pictures and collector values for 4004 - 8088 Intel microprocessors, old memory and support/peripheral chips. The guide is contains more than 1300 pages and more than 750 pictures.