Uni. Board: Xilinx or Altera Eric Kooistra Oude Hoogeveensedijk 4 7990 AA Dwingeloo www. astron. nl Feb 2009 © ASTRON 1
Contents 1. 2. 3. 4. General comparison Device ranges Device comparison Conclusion Feb 2009 © ASTRON 2
General comparison Criteria Altera Xilinx Comment Development tools Quartus ISE / EDK Synthesis, softcores Debug tools Signal. Tap Chip. Scope Embedded logic analyser MATLAB/ Simulink DSP builder System Generator Generic alternatives: - Synplify DSP - MATLAB HDL coder Softcore μP Nios Microblaze Alternative: - Leon (from Gaisler) Hardcore μP - Power. PC Device ranges Stratix IV Arria II GX Virtex 6 Spartan 6 High end range (40 nm) Low cost range (40 nm) Others experience Bordeaux, Arcetri, Manchester LOFAR, Casper, ASKAP, Nancay, Manchester LOFAR Stratix II Virtex 4 Keep experience on both Feb 2009 © ASTRON 3
Device ranges 1. Altera - Stratix IV, 40 nm, tx/rx up to 8. 5 Gbps 2. Xilinx - Virtex 6, 40 nm, tx/rx 3. 2, 6. 5 Gbps - Virtex 5, 65 nm, tx/rx 3. 75, 6. 5 Gbps Only consider the newest available FPGAs. Only consider the variants with transceivers. Feb 2009 © ASTRON 4
Device comparison Criteria Stratix IV Virtex 6 Virtex 5 Device SGX 230 SX 315 T SX 240 T SX 95 T Availability Now ? Now Price 1000 $ ? 9000 $ 1700 $ Process 40 nm 65 nm Clock MHz 540 600 550 Multiplier speed Nof transceivers 16 (or 24) 24 24 16 Virtex: all on one side Stratix: on two sides Nof logic 91200 ALM 49500 slices 37440 slices 14720 slices 1 ALM ≈ 0. 6 – 0. 9 slices Nof multipliers 1288 1344 1056 640 Virtex: 25 x 18 Stratix: 18 x 18 (= 9 x 9 ? ) Block RAM 14. 3 Mb 25. 3 Mb 18. 5 Mb 8. 8 Mb Nof IO 560 720 960 640 Package pins 1152 1759 1738 1136 ETH MAC Soft core 4 4 4 Feb 2009 © ASTRON Comment Virtex 6 samples Q 2 2009 5
Conclusion 1. Both Xilinx or Altera are suitable from FPGA technology and tool point of view. 2. 40 nm for lowest power consumption: - Stratix IV EP 4 SGX 230 is available now - Virtex 6 is expected in Q 2 2009 3. 65 nm: Xilinx Virtex 5 are available, but prices for larger FPGA are still high. Feb 2009 © ASTRON 6
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