Intel Atom N280

Released February, 2009

Product Shot 1The Intel Atom N280 is a 45nm processor for embedded motherboards, most often found in netbooks. Released in early February of 2009, this was one of the first, second-generation Atom processors. As as step-up from the similar N270, the single core Atom N280 features a faster 1.667GHz clock speed, 512KB of L2 cache and a FSB speed of 667MHz.

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This energy efficient processor is rated at 2.5 watts TDP, meaning very little electricity is required for this chip to function. Most netbooks with this processor will use around 15 watts of total power, an amount considerably less than a full-sized notebook computer. Supported processor features include MMX, SSE, SSE2, SSE3, SSSE3, SpeedStep power management, XD bit virus protection and Hyper-Threading technology. As a 32-bit processor, a wide variety of operating systems are compatible including Windows 7.


  • Core: Diamondville
  • Process: 45nm
  • Socket: PBGA437
  • Clock: 1.667GHz
  • L1 Cache: 32 kB
  • L2 Cache: 512KB
  • FSB: 667MHz
  • Multimedia: MMX, SSE, SSE2, SSE3, SSSE3
  • Hyper-threading technology
  • Enhanced Intel SpeedStep Technology (EIST)
  • Virus protection: XD Bit

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