| AMD Athlon™ XP Processor Product
Brief |
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- The Ultimate Digital Media Experience in an x86 Platform
- Tailored for Microsoft® Windows® XP
- Featuring QuantiSpeed™ Architecture for Rapid Execution of
Applications
- Tomorrow’s Technology Today
- The Power of a Reliable Partner
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AMD Athlon™ XP
Processor Overview
The AMD Athlon™ XP processor with QuantiSpeed™ architecture powers the
next generation in computing platforms, delivering extra performance for
cutting-edge applications and an extraordinary computing experience. The
AMD Athlon XP processor is the latest member of the AMD Athlon family of
processors designed to meet the computation-intensive requirements of
cutting-edge software applications running on high-performance desktop
systems.
AMD delivers tremendous performance by increasing the amount of work done
per clock cycle and improving the operating frequency at the same time.
The end result is a processor design that produces a high volume of work
done per cycle and high operating frequencies—an optimum combination for
compelling application performance.
The Ultimate Digital Media Experience in an x86 Platform
The AMD Athlon XP processor offers fast results when working with digital
media like audio, video, and image files. The AMD Athlon XP processor
provides for outstanding near real-time voice, video, and CAD/CAM as a
result of features like larger cache memory, 3DNow!™ Professional
technology, and the innovative QuantiSpeed™ architecture which includes
the industry’s most powerful fully-pipelined x86 floating point engine.
The AMD Athlon XP processor brings digital entertainment like games and
DVDs to life with rich, smooth graphics and true to life sound. The
processor enables a more life-like audio experience with special surround
sound enhancing features. The AMD Athlon XP processor takes advantage of
connected digital devices and their content by delivering realistic
photos, smooth videos, and rich sound. The combination of the Windows® XP
operating system’s features and the exceptional capabilities of the AMD
Athlon XP processor provide a phenomenal Internet experience with smoother
streaming audio and video.
Tailored for Microsoft® Windows® XP
The AMD Athlon XP processor offers compelling performance for running
Microsoft Windows XP, as well as outstanding performance on previous
versions of Windows. The raw power and robust features of the AMD Athlon
XP processor enable users to make the most of multitasking and user
switching capabilities offered in Windows XP. Microsoft optimized the
DirectX 8.0 interface for Windows XP specifically for the AMD Athlon XP
processor. The AMD Athlon XP processor’s innovative QuantiSpeed
architecture helps propel Windows XP application performance to a new
level. To unleash the rich features found in Windows XP, AMD and Microsoft
worked together to optimize applications like Media Encoder 8.0 for
AMD’s 3DNow! Professional technology.
AMD Athlon processors were used in the design and development of the
Windows XP operating system, which helps to ensure that systems based on
AMD processors offer excellent OS compatibility. AMD and Microsoft’s
strong working relationship dates back over a decade to the first version
of Windows. Over the years, AMD processors have powered some of the most
reliable PC systems for Windows applications, increasing productivity and
enjoyment for end-users.
Featuring QuantiSpeed™ Architecture for Rapid Execution
of Applications
QuantiSpeed architecture, the latest technological enhancement to the
award-winning AMD Athlon processor core, provides for extra performance in
the cutting-edge features users need most. At the heart of QuantiSpeed
architecture is a nine-issue, superscalar, fully-pipelined core. This
provides more pathways to feed application instructions into the execution
engines of the core, simply allowing the processor to complete more work
in a given clock cycle. Additional features of QuantiSpeed architecture
include a superscalar, fully-pipelined floating point engine, hardware
data prefetch, and exclusive, speculative Translation Look-aside Buffers (TLBs).
Combined, these features help boost overall productivity and allow a
system to boot and load applications quickly. In the end, users will enjoy
an effortless computing experience.
Software applications and Internet plug-ins run lightning-fast because
they are optimized to take advantage of innovative QuantiSpeed
architecture and 3DNow! Professional technology, found exclusively in the
AMD Athlon XP processor. AMD has generated benchmark data for the
performance results of the AMD Athlon XP processors that Andersen, a
global leader in professional services, has independently audited. Visit
the AMD Web site at www.amd.com
to view the data and audit results.
Tomorrow’s Technology Today
The AMD Athlon XP processor's advanced architectural features help ensure
outstanding levels of performance. These features include:
- QuantiSpeed™ Architecture
- 384K Total High-Performance, Full-Speed Cache
- Advanced 266MHz Front-Side Bus with ECC (Error Correcting Code)
Support
- 3DNow!™ Professional Technology (72 instructions, full SSE
compatibility)
- Support for Double Data Rate (DDR) Memory
- Established Socket A Infrastructure
The Power of a Reliable Partner
Founded in 1969, AMD has shipped more than 175 million PC processors
worldwide. AMD processors undergo extensive testing to confirm
compatibility with Microsoft Windows XP, Windows 98, Windows Me, Windows
NT®, Windows 2000, as well as Linux and other PC operating systems.
AMD worked side-by-side with Microsoft to achieve compatibility between
AMD processors and the Windows XP operating system. The result provides a
more stable system with reliable application performance and less
downtime. The AMD Athlon XP processor is compatible with more than 60,000
software applications, including the latest 3DNow! Professional and MMX™
technology-enhanced software. AMD has worked with industry-leading
hardware and software companies to achieve comprehensive compatibility. In
addition, AMD also conducts its own rigorous processor validation to help
assure the integrity and ease of use for which AMD processors are
renowned.
©2001 Advanced Micro Devices, Inc. All rights reserved.
AMD, the AMD Arrow logo, AMD Athlon, and combinations thereof, and 3DNow!
and QuantiSpeed are trademarks of Advanced Micro Devices, Inc. Microsoft,
Windows and Windows NT are registered trademarks of Microsoft Corporation
in the United States and other jurisdictions. MMX is a trademark of Intel
Corporation in the United States and other jurisdictions. Other product
names used in this publication are for identification purposes only and
may be trademarks of their respective companies.
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Key Architectural Features of the AMD
Athlon™ XP Processor Include:
QuantiSpeed™ Architecture for enhanced performance
- Nine-issue superpipelined, superscalar x86 processor
microarchitecture designed for high performance
- Multiple parallel x86 instruction decoders
- Three out-of-order, superscalar, fully pipelined floating point
execution units, which execute x87 (floating point), MMX™ and
3DNow!™ instructions
- Three out-of-order, superscalar, pipelined integer units
- Three out-of-order, superscalar, pipelined address calculation
units
- 72-entry instruction control unit
- Advanced hardware data prefetch
- Exclusive and speculative Translation Look-aside Buffers
- Advanced dynamic branch prediction
3DNow!™ Professional technology for leading-edge 3D operation
- 21 original 3DNow!™ instructions—the first technology enabling
superscalar SIMD
- 19 additional instructions to enable improved integer math
calculations for speech or video encoding and improved data movement
for Internet plug-ins and other streaming applications
- 5 DSP instructions to improve soft modem, soft ADSL, Dolby Digital
surround sound, and MP3 applications
- 52 SSE instructions with SIMD integer and floating point additions
offer excellent compatibility with Intel’s SSE technology
- Compatible with Windows® XP, Windows 98, Windows 95, and Windows
NT® 4.x operating systems
266MHz AMD Athlon™ XP processor system bus enables excellent system
bandwidth for data movement-intensive applications
- Source synchronous clocking (clock forwarding) technology
- Support for 8-bit ECC for data bus integrity
- Peak data rate of 2.1GB/s
- Multiprocessing support: point-to-point topology, with number of
processors in SMP systems determined by chipset implementation
- Support for 24 outstanding transactions per processor
The AMD Athlon™ XP processor with performance-enhancing cache memory
features 64K instruction and 64K data cache for a total of 128K L1
cache. 256K of integrated, on-chip L2 cache for a total of 384K
full-speed, on-chip cache.
Socket A infrastructure designs are based on high-performance platforms
and are supported by a full line of optimized infrastructure solutions
(chipsets, motherboards, BIOS).
- Available in Pin Grid Array (PGA) for mounting in a socketed
infrastructure
- Electrical interface compatible with 266MHz AMD Athlon XP system
buses, based on Alpha EV6™ bus protocol
Die size: approximately 37.5 million transistors on 128mm2. Manufactured
using AMD's state-of-the-art 0.18-micron copper process technology at
AMD's Fab 30 wafer fabrication facility in Dresden, Germany.
AMD Athlon™ XP Processor
Competitive Comparison
|
Feature
|
AMD Athlon™ XP |
Pentium® 4 |
| QuantiSpeed™ Architecture |
Yes |
No |
|
Operations per clock cycle
|
9 |
6 |
|
Integer pipelines
|
3 |
4 |
|
Floating point pipelines
|
3 |
2 |
|
Full x86 decoders
|
3 |
1 |
|
L1 cache size
|
128KB |
12k µop (Trace Cache) + 8KB (Data
Cache) |
|
L2 cache size
|
256KB (on-chip) |
512 (on-chip) |
| Total on-chip full-speed cache |
384KB |
520 KB +12K µop |
| Total effective on-chip full-speed cache |
384KB (exclusive) |
512 KB
(inclusive) |
|
System bus speed
|
266MHz |
400MHz |
| 3D enhancement instructions |
3DNow!™ Professional |
SSE2 |
| Cache/prefetch controls |
Yes |
Yes
|
| Streaming controls |
Yes |
Yes
|
| DSP/comm extensions |
Yes |
Yes
|
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Customer
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