As of this writing, Intel processors in consumer-grade desktops and laptops will have either a single-core, dual-core, Core 2 Duos or Quad-cores.
The Celeron is a single-core processor made to perform basic functions like word processing, Internet surfing or check/sending e-mail.
It's a single core system, and bungie has already stated that they are using both cores to handle the new AI as well as the completely new graphics.
Like the PCSX2, much of this has to do with the graphics and framerate, because the PS2 sports a multicore architecture that is difficult to mimic on a single-core PC CPU.
Older computers with single core technology - systems that can only officially run one program at a time - have particular difficulty running the full version of Ares.
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