Monday, 27 August 2018 21:23

ARM announces first-ever Client CPU public roadmap to beat x86


Stating it is "accelerating mobile and laptop performance", Arm has unveiled its "first-ever public CPU forward-looking roadmap and performance numbers".

Could an ARM-powered MacBook of some kind be far away, with Arm announcing the latest news from its already desktop-class range of powerful processors?

ARM's Nandan Nayampally, vice-president and general manager of its Client Line of Business, has nothing to say about that, but has said everything you'll read below.

Nayampally noted that "over the last five years, advances in Arm technology have brought desktop-class PC performance into our smartphones, fundamentally changing how we use technology in our daily lives".

"This is a direct result of Arm’s annual cadence of introducing new world-class CPU designs, which have delivered double-digit gains every year in instructions-per-clock (IPC) performance since 2013.

"Arm is now applying this same design leadership, along with optimising for the latest advances in process technology from our foundry partners, to enable the PC industry to overcome their reliance on Moore’s law – which has definitely slowed – and deliver a high-performance, always-on, always-connected laptop experience.

"It’s an experience that will be a necessity as 5G enables an entirely new world of connected possibilities."

Nayampally continued: "The latest example of this is our recently launched Cortex-A76 CPU. The Cortex-A76 is delivering an unprecedented 35% gain in performance compared to the previous generation, without compromising Arm’s efficiency leadership.

"This is an industry milestone for multiple reasons. Firstly, it’s the foundational CPU IP for the first 7nm SoCs expected to be in production later this year.

"More importantly, Cortex-A76 represents the continuation of the trajectory that will increase performance at a staggering pace, enabling consumers to do more with their smartphones and level the performance playing field against mass-market laptop CPUs from the competition."

Arm client roadmap performance comparison chart:


Looking ahead: Breakthrough performance for the always-on, always-connected user

Nayampally added: "Today is another milestone for Arm as we're publicly disclosing both forward-looking compute performance data and a CPU roadmap for Arm’s Client Line of Business from now through 2020. It’s the first time we’ve ever shared a roadmap of any kind publicly, and it won’t be the last (hint: come to Arm TechCon.)"

Arm client Compute CPU roadmap:

Some important details Arm wants you to know about its client CPU roadmap:

Here, Nayampally said: "The follow-up to Cortex-A76 will be codenamed ‘Deimos’ and delivered to our partners in 2018. Optimised for the latest 7nm nodes, ‘Deimos’ is based on Arm DynamIQ technology and is expected to deliver a 15+ percent increase in compute performance.

"In 2019, the CPU codenamed ‘Hercules’ will be available to Arm partners. ‘Hercules’, also based on DynamIQ technology, will be optimised for both the latest 5nm and 7nm nodes. ‘Hercules’ continues the trajectory of increased compute performance, while also improving power and area efficiency by 10% (in addition to the efficiency gains achievable from the 5nm process node)."

Why it matters

"Our roadmap of client CPUs has been designed to take advantage of the disruptive innovation 5G will bring to all client devices. This combined with innovations from our silicon and foundry partners will enable Arm SoCs to break through the dominance of x86 and gain substantial market share in Windows laptops and Chromebooks over the next five years.

"Additionally, the Arm Artisan Physical IP platform and Arm POP IP will also help Arm partners get every bit of performance-per-watt they can out of their SoCs on whatever process node they choose.

"Artisan is a key part of building industry-leading process nodes for our foundry partners from 130nm down to 5nm, while POP IP has helped our partners realise market-leading performance, power, and area (PPA) over many generations of Arm cores.

"Arm POP IP is already helping to enable laptop-class performance in 7nm SoCs based on Cortex-A76 by giving our partners the opportunity to push the clock-speed past 3.0GHz and up to 3.3GHz within power envelopes around half that of today’s mass-market x86 processors."

A robust and rapidly-expanding laptop ecosystem

Nayampally continued: "Leading PC OEMs already recognise that efficiency is a key differentiator for the always-on, always-connected, laptop experience which is characterised by very slim, light form factors, full day battery, and excellent responsiveness.

"Windows 10 systems powered by Arm-based Qualcomm Snapdragon SoCs are already available from ASUS, Lenovo, HP, and Samsung have also announced they will join the mix as well. Along with Microsoft, these partners have given users a new choice for connectivity and an always-on experience that was not possible a year ago.

"But Arm didn’t build the mobile ecosystem by just relying on its efficiency leadership. We accelerated the performance gain through our annual design cadence, while improving efficiency and silicon footprint. This has enabled our ecosystem of silicon, software, and OEM partners to bring smartphones to market every year with new innovations and features.

"Our latest roadmap highlights that we're bringing these same annual PPA improvements to the PC industry which now has both the opportunity and headroom to accelerate innovation like never before."

Alex Katouzian, senior vice-president and general manager, mobile, Qualcomm Technologies, said: “The CPU roadmap Arm has laid out coupled with Qualcomm’s heterogenous approach to computing across our various IP block and integrated connectivity, will allow for new advancements in the always-on, always-connected PC experience offered by the Qualcomm Snapdragon Mobile Compute Platform.

“Our mission continues to bring the best of the mobile world to the PC, with great battery life, sleek innovative form factors, and Windows 10 for on-the-go productivity.”

Nayampally added: "2018 was an important first step in expanding the Arm PC ecosystem and showing the world that we're no longer bound to the idea that process technology will only incrementally improve every two years and that a laptop will need charging every few hours.

"The pace of innovation that transformed smartphones into the compute platform of choice is now powering and transforming the larger screen devices.

"The question now for the broader PC industry is: Are you ready to liberate yourselves from the slowing pace of Moore’s law and deliver the mobile productivity experience consumers and businesses will need as we enter the 5G era?"

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Alex Zaharov-Reutt

Alex Zaharov-Reutt is iTWire's Technology Editor is one of Australia’s best-known technology journalists and consumer tech experts, Alex has appeared in his capacity as technology expert on all of Australia’s free-to-air and pay TV networks on all the major news and current affairs programs, on commercial and public radio, and technology, lifestyle and reality TV shows. Visit Alex at Twitter here.

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