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(K7) AMD's 7th generation x86 processor, released in June 1999.

Athlon uses a Slot A motherboard and is not compatible with Slot 1 motherboards.

This article is provided by FOLDOC - Free Online Dictionary of Computing (


A family of Pentium-compatible CPU chips from AMD. The first 32-bit models were introduced as Pentium III-class CPUs in 1999 with a 200 MHz system bus and CPU speeds up to 650 MHz. Over subsequent years, AMD added numerous models of 32-bit Athlons for desktop, server and mobile use, long since exceeding the initial clock speeds (see Athlon XP).

Slot A and Socket A
The first Athlons plugged into "Slot A," which was similar to the elongated slot used by Pentium II's and III's. Later model Athlons switched to Socket A.

Athlon 64 (64-Bit CPUs)
In 2003 and following the Opteron, which was the first of AMD's 64-bit, x86-based CPUs, AMD introduced the Athlon 64 processor for desktops and the Mobile Athlon 64 for laptops. All of AMD's 64-bit processors run 32-bit applications without any modifications (see AMD64).

In 2005, AMD introduced the Athlon 64 X2, its first dual-core CPU. The Athlon 64 X2 has two Athlon 64 cores in a single chip package. See Opteron, K6 and Hammer.
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References in periodicals archive ?
Selected GPU devices properties compared to CPU GPU/CPU Clock CU LM size GM size HD5770 850 MHz 10 32 KiB 512 MiB HD5830 825 MHz 14 32 KiB 800 MiB HD6870 900 MHz 14 32 KiB 800 MiB Athlon 64 3000 MHz 2 32 KiB 2048 MiB
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Optimized for the AMD64 processor family: the AMD Athlon 64, AMD Athlon 64 FX, and AMD Opteron processors, the NVIDIA nForce3 MCPs provides high performance, advanced scalability, and unmatched system stability, addressing the most demanding needs of technical users who are using the next-generation Microsoft 64-bit beta operating system and AMD64 platforms to create next-generation games, developer tools, and applications.
Shipments of the Athlon 64 line doubled quarter on quarter, said AMD.
"AMD is pleased that Network Associates has optimized McAfee VirusScan Enterprise to include full native support for AMD Athlon 64 processors," said Tim Wright, director of desktop marketing for AMD's Computation Products Group.
Designed to leverage the power of the AMD Athlon 64 FX and Athlon 64 processors, NVIDIA nForce3 MCPs provides PC enthusiasts, workstation professionals, and mobile users with core system technology that delivers maximum performance, reliability, and compatibility for 64-bit and 32-bit computing environments enabled by the AMD64 platform.
The Athlon 64 is notable for offering backwards compatibility with current 32-bit Intel and AMD PC chips, unlike Intel's slow-selling Itanium.
Microsoft has unveiled a version of Windows which will support AMD's new Athlon 64 processor -and is also developing an operating system for an eventual 64-bit desktop chip expected from rival manufacturer Intel.