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AMD Athlon XP 2000+ (1.67GHz)

Written By:
Date Posted: April 5, 2002

AMD has been moving up the performance charts very quickly over the past couple years. With the Intel Northwood released at the beginning of the year, AMD answered with the XP 2000+. They've released the 2100+ since then, but the 2000+ is still a very speedy chip.

The XP 2000+ still rides the Palomino bus. What this means is achitecturally, the CPU is unchanged from the XP 1800+ we've looked at earlier. As most enthusiasts know, XPs are fast, and they run cooler than the previous generation Athlons, but we're getting to the point that heat is becoming an issue again. Dissipating in the range of 70W of heat, you'll still need a quality heatsink and fan combination to cool the processor.

We're only going to cover a few points today, and provide plenty of numbers to see how it stacks up against it's older brother, the 1800+. Anything else not covered in this review, will likely have been addressed here.


Manufactured: Fab 30 in Dresden, Germany
Process Technology: 0.18 micron copper process technology
Cache Size: L1 - 128KB
L2 - 256KB
Voltage: 1.75v
Die Size: 128mm2
Number of Transistors: 37.5 million
Infrastructure: Socket A

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!" instructionsthe 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 Intels SSE technology
Compatible with Windows® XP, Windows 98, Windows 95, and Windows NT® 4.x operating systems

266MHz AMD Athlon" XP processor system bus

Source synchronous clocking (clock forwarding) technology
Support for 8-bit ECC for data bus integrity
Peak data rate of 2.1GB/s
Multiprocessing support
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

Next Page - Architecture


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