How big is the ARM Server Market?

Much has been written and said about the possible ARM invasion of the datacenter.  The hype has been building lately as the first 64-bit implementations are being demonstrated at AMD and AppliedMicro, while Cavium should become more public sometime this summer when they get their very interesting chip ready for early sampling. Meanwhile, big players like Broadcom have development teams working on SOCs,  with  products likely in late 2015. Intel has responded to the potential threat with aggressively priced Atom SKUs to meet the need for “wimpy cores”…all while insisting that nobody really wants them.   Let’s look at how large this market may become. Intel commands over 95% of the units volume that makes up the ~ $10 billion server processor market. the battle lines are reshaping as ARM-based processors reach server-class performance.  You can expect 64-bit ARM servers to ship in the second half of 2014 and gradually ramp to significant volumes by 2016. Early adopters likely will be web, storage, and media servers primarily installed in internet-scale datacenters, as well as private cloud infrastructure. The enterprise ecosystem is not an immediate target, but this could change dramatically if Microsoft decides to bring out an ARM port for Windows Server. Like any disruptive technology, the ARM server chip opportunity is hard to predict. We know the market could be quite large, although probably not large enough to sustain the 16 SOC partners that ARM Holdings counts as server SOC licensees. Various third-parties, primarily sell-side analyst firms,  have forecast robust growth in the micro-server SOC market through 2017, ranging from a low of $1B to over $3B in SOC sales (double that for server sales).    How much of that could ARM take? That depends on how badly people want an alternative to emerge and the extent to which Intel is willing to go to prevent ARM from gaining traction.

ARM server SOCs potentially could be a $1B to $2B SAM by 2017

  • By 2017, the ARM SOC market could exceed $1 billion, accounting for over $2 billion in server sales. (ARM Holdings has predicted they will garner 10% of the market by 2017, which is about $1.3B.)
  • Overall ARM volume is already huge: more than 8 billion ARM CPUs shipped in mobile and embedded applications. ARM’s massive volume is supported by a mature Linux community and a rich development toolchain.
  • Industry OEMs, ODMs, and the largest datacenters are anxious to have an alternative to Intel in the face of reduced competition from AMD’s apparent abandonment of x86 server silicon.
  • With 64-bit ARM servers likely shipping later this year, the timing is right to begin testing the potential savings for near term and future ARM deployments in the data center.
  • Not every application needs the performance of an Intel Xeon processor.  Even Intel has recognized this fact and has rolled out the Avoton family of low power ATOM chips.
  • The internet datacenter ecosystem can move at will. These firms own their own software stack, the development toolset is in place, and no real barriers remain if ARM has “good enough” performance at an attractive price. Of course, applications must be tuned and validated which are not trivial tasks. However the economies of scale in these mega-scale datacenters can provide an attractive return on this investment.
  • The enterprise datacenter ecosystem is less tractable. There will be no shrink-wrapped software for at least five years. More importantly there are no enterprise operating systems available (Microsoft Windows and RedHat Enterprise Linux in particular) until late 2015 at the earliest. Note as well that there are few “greenfield” applications in the enterprise, and rip-and-replace is tough to sell.

Comments

  1. You make great points about the challenge in developing the server market for ARM SoCs, and being in the front lines I agree with your general reasoning; it is end-users that will generate the essential pull in this market. There is an obvious omission in your last statement about software, though, which is that Ubuntu 14.04 LTS supports both 32-bit ARMv7 and 64-bit ARMv8, and is commercially supported and already out there in the field.

    I guess what “enterprise operating systems” actually means is debatable; if it means “operating systems that can deliver production-grade, mission critical end-user facing service” then I think the fact that the number 6 website in the world runs on Ubuntu establishes that. As do Pinterest, Instagram, Kickstarter, Reddit, Famigo, SmugMug, and countless others.

    If it means “operating systems certified to run SAP” then I’m with you, nothing available today fulfills that requirement. But it may be that Elasticsearch is more relevant than ERP in this segment.

    • Karl Freund says:

      Good clarification, Kiko. I was using the term “Enterprise” in the traditional datacenter sense. When it comes to hyper scale and cloud, Enterprise software (RedHat, MS Windows, IBM, Oracle) is really only relevant in back office services and for hosted cloud app stacks in the public cloud. That last one worries me for ARM, but increasingly the public cloud is the factory floor for startups and Born-on-the-Web services, which typically start with Ubuntu! You guys have been the rock on which this whole movement is being built! Keep it going!

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