Hardware & Technology Comparisons

Processor Manufacturers

One of the first decisions involved in building your high-performance system usually involves selecting the type of processor to use, the bedrock of any HPC solution. Aspen Systems uses processors from two major CPU manufacturers, Intel and AMD (Advanced Micro Devices). If you have not already decided which brand you'd like to go with, you might be confused about the comparative benefits and features of processors from each manufacturer. This comparison page gives a general overview of two leading commodity processor manufacturers -- to compare specific processor models, please view the separate comparison page covering that topic.


AMD (Advanced Micro Devices) Intel
High-Performance Processors (used by Aspen Systems) Opteron Xeon (Xeon DP, Xeon DP EM64T (Nocona), Xeon MP);


AMD (Advanced Micro Devices)

Features found on AMD processor models:

  • Simultaneous 32- and 64- bit computing when using AMD x86-64
  • HyperTransport technology - high-speed, low latency, point-to-point link; increases communication speed
  • Direct Connect Architecture - on-die memory controller; each processor has an independent path to local memory

Intel

Features found on Intel processor models:

  • Simultaneous 32- and 64- bit computing when using Intel Extended Memory 64 Technology (EM64T)
  • Intel NetBurst architecture - higher throughput within the processor and out to memory and I/O
  • 90nm process
  • Shared bus memory architecture