Intel releases new 'smartphone class' server chip

A 64-bit Atom chip designed for special types of workloads, while the world waits for 64-bit ARM

By , Computerworld |  Hardware, Intel, processors

It's clear that Frank Frankovsky, vice president of hardware design and supply chain at Facebook, didn't study marketing in school. At a press event Tuesday announcing Intel's new low-power Atom processor, he described the chip as "wimpy" in comparison to Xeon-class chips, which he called "brawny." But he meant it in a good way.

Intel released a 64-bit, 32nm dual-core Atom processor, the S1200. The 6W chip is designed for the emerging microserver market. Microservers are being designed to handle tasks that aren't necessarily compute-intensive, like serving up billions of photos, as Facebook does.

Frankovsky, who also used the term "smartphone class" to describe microserver chips, is all about applying the right CPU to the right workload.

Facebook uses a metric called Relative Compute Units (RCU) to help determine how much performance a particular workload needs. It's a ratio of how much useful work gets done per watt, per dollar.

For a hypothetical workload based on this equation, an Atom-based system might require two to three times the number of cores of a Xeon-based system, but the Atom cores might use one-third to a half less power, Frankovsky said.

"That's why we're excited about Intel and others promoting this move toward System-on-Chip (SoC)," said Frankovsky. The SoC model integrates the processor core, memory controller hub, virtualization technologies, error correcting code and other features.

The market for microservers -- or, as research firm IDC calls them, density-optimized servers -- is nascent. Intel's major competition will be from ARM-based systems, but a 64-bit ARM chip based on the ARM Cortex isn't due until 2014.

Shane Rau, an analyst at IDC, said he expects ARM chips to gain about 2% of the x86 server processor market in 2015, or about a half-million CPUs. He expects that figure to rise to 4% the following year.

Rau said he expects the ARM competition will be welcomed for bringing in price competition and more choice.

Charles King, an analyst at Pund-IT, said Intel's new processor was a significant step forward.

In a note sent to clients, King said the Atom 1200 "effectively puts Intel several steps ahead of where any ARM-based solution player is today."


Originally published on Computerworld |  Click here to read the original story.
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