The Athlons x86 Architecture - PowerPoint PPT Presentation

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The Athlons x86 Architecture

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  1. The Athlons x86 Architecture • First AMD to have x*6 instruction set • Its 2048-entry branch prediction table is 4 times the size of Pentium III • FPU problem • 3D now technology

  2. The New Slot Design • First AMD to have a new slot design • Slot-A is similar to Slot-1 • Easier for motherboard manufacturers • Easier for asssemlers

  3. The .25 micron transistor and the switch to .18 copper. • Current .25 micron • Made switch to .18 copper before Intel

  4. 128KB of L1 Cache • When introduced twice as much as competitors. • Programmable backside L2 cache can run at any ratio.

  5. The Athlon's Busses • GTL + option vs. Digital's EV6 bus protocol • 1.6Gb/s of bandwidth vs. Intel 800mb/s • Multi processor adveantage AMD Intel

  6. Negative Aspects of AMD Athlons • Marketing • Heat • Cache Storage

  7. Marketing and Heat • Lack of Promotion • BIOSTAR, FIC, AMD • Heat slowly degrades performance • cooling fans and heat sink

  8. Cache Storage • Cache Speed: • Latency • Bandwidth • Clockspeed

  9. On-Die • Easier to make L2 faster • Closer Connections • Cheaper

  10. AMD has a brighter Future • Better performance than Pentium IV • Cheaper than Pentium IV • Will have more memory bandwidth than Pentium IV. • It uses the most popular system configuration among hardware enthusiasts.