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Bonnell µarch

General Info

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Bonnell was a microarchitecture for Intel's 45 nm ultra-low power microprocessors first introduced in 2008 for their then-new Atom family. Bonnell, which was named after the highest point in Austin - Mount Bonnell, was Intel's first x86-compatible microarchitecture designed to target the ultra-low power market.

Architecture

Bonnell's primary goals were:

1. Reduce power consumption,
2. while staying fully x86-compatible,
3. at acceptable performance

Cores

First generation of Bonnel-based microprocessors introduced 2 cores: Silverthorne for ultra-mobile PCs and mobile Internet devices (MIDs) and Diamondville for ultra cheap notebooks and desktops.

Silverthorne

Main article: Silverthorne

Silverthorne was the codename for a series of ultra-mobile PCs introduced in 2008.

Key features:

• 32-bit
• 1 Core / 2 Threads
• FSB 400 MHz - 533 MHz
• Cache
  • 32 KB L1i$ / 23 KB L1d$
  • 512 KB L2$
  • No L3$

Diamondville

Main article: Diamondville

Diamondville was the codename for the series of ultra cheap notebooks and desktops introduced in 2008. Diamondville is very much a derivative of Silverthorne with faster FSB.

Key features:

• 32-bit
• 1 Core / 2 Threads
• FSB 533 MHz - 667 MHz
• Cache
  • 32 KB L1i$ / 23 KB L1d$ (per core)
  • 512 KB L2$ (per core)
  • No L3$