AMD Athlon, Руководство пользователя

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A Guide to Building a PC with an AMD Athlon™ Processor
22914B/0—September 1999
Features and Benefits
Table 1 shows AMD Athlon processor features and benefits.
Table 1. AMD Athlon™ Processor Features and Benefits
Features Benefits
n
PC Industry’s First 200-MHz Bus
•
200 MHz versus 100 MHz in Pentium III
•
Delivers twice the peak bandwidth of today’s
100-MHz bus.
•
Enables users to better take advantage of
high-bandwidth Internet connectivity like
IEEE 1394, cable modem, etc.
n
Most Advanced x86 Architecture
•
Nine-Issue, superscalar microarchitecture
•
Initial debut includes 650, 600, 550, and
500 MHz
•
Highest frequency and best performance
•
Investment in the future
n
Superscalar Floating-Point Unit
•
Issues three superscalar, pipelined
floating-point or multimedia instructions
simultaneously
•
Fastest x87 floating-point unit today
•
Outstanding processing speed for math-
intensive software programs like CAD and
scientific applications
•
The 650-MHz AMD Athlon processor has over
45% faster floating-point performance versus
the Pentium III 600.
n
High-Performance Cache
•
Industry’s largest L1 cache (128 Kbytes)
Four times the Pentium III
•
High-speed 64-bit backside L2 cache
(512 Kbytes)
•
Processor-level cache (L1) is faster than
system cache (L2), enhances overall system
performance.
n
Enhanced 3DNow! Instruction Set
Capabilities
•
Five new 3DNow! instructions (not in
Pentium III
•
Nineteen new multimedia instructions that
augment the MMX™ instruction set.
•
Relieves the floating-point-intensive
bottlenecks in 3D graphics processing
•
Improved processing of audio, video, and
Internet content for a compelling visual
computing experience.