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Head-to-Head

Xilinx Virtex-II Pro 1.5v 130nm copper 125,136 logic cells 10Mb RAM 556 18x18 multipliers Up to four PowerPC 405 cores. Altera Stratix 1.5v 130nm copper 114,140 logic elements 10Mb RAM 224 9x9 multipliers No hard processor cores (Excalibur, based on Apex 20k). Head-to-Head.

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  1. Xilinx Virtex-II Pro 1.5v 130nm copper 125,136 logic cells 10Mb RAM 556 18x18 multipliers Up to four PowerPC 405 cores Altera Stratix 1.5v 130nm copper 114,140 logic elements 10Mb RAM 224 9x9 multipliers No hard processor cores (Excalibur, based on Apex 20k) Head-to-Head

  2. Xilinx Virtex-II Pro

  3. Altera Stratix

  4. Xilinx Virtex CLB

  5. Virtex Slice

  6. Half Slice

  7. Altera Stratix

  8. Logic Array Blocks (LABs)

  9. Logic Element

  10. Embedded RAM • Xilinx – Block SelectRAM • 18Kb dual-port RAM arranged in columns • Altera – TriMatrix Dual-Port RAM • M512 – 512 x 1 • M4K – 4096 x 1 • M-RAM – 64K x 8

  11. Xilinx: Embedded Multipliers

  12. Altera: Embedded DSP Blocks • Two DSP Block columns per device • Number varies by height of column • Can implement: • Eight 9x9 multipliers • Four 18x18 multipliers • One 36x36 multiplier • Contains adder/subtracter/accumulator • Registered inputs can become shift register

  13. Altera Multiplier Sub-block

  14. Virtex: Active Interconnect

  15. Virtex Hierarchical Interconnect

  16. Altera: MultiTrack Interconnect • Direct link between LABs and adjacent blocks • Row interconnects • 4, 8, and 24 blocks left or right • Column interconnects • 4, 8, and 16 blocks up or down

  17. Stratix: R4 Interconnect

  18. Xilinx MicroBlaze

  19. Altera Nios

  20. Virtex PowerPC Core

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