ARM introduces 64-bit processors for phones, tablets and servers

ARM rolls out Cortex-A57 and A53 processors, which could appear in servers and smartphones in 2014 or later

By , IDG News Service |  

ARM on Tuesday introduced its first 64-bit Cortex-A50 series processor designs as the company tries to preserve its dominance in smartphones and tablets while catching up with Intel in servers.

The new ARM processors, Cortex-A57 and Cortex-A53, deliver higher performance at either the same or lower power levels compared to ARM processors today, said Ian Forsyth, product manager at ARM. The improved performance is key with mobile devices handling applications such as video and servers processing an increasing number of Web transactions.

More importantly, the processors deliver 64-bit support, which enables a new range of hardware capabilities including more memory. The new processors also boast virtualization support, error correction, security capabilities and better floating point performance, Forsyth said. The processor designs will offer a range of new features and capabilities to mobile devices and servers while balancing performance with power consumption.

For example, the hardware-level security features can be used to authorize mobile transactions without additional tools. Also, current systems with the new ARM processors are being configured to support up to 64GB of memory, Forsyth said. ARM processors with 32-bit support have a ceiling of 4GB of memory.

ARM licenses architecture and processor designs to chip companies, which then make the chips that go into tablets, smartphones and servers. The first Cortex A50-series chips could be available in late 2013, after which companies can start making products. Servers may be the first products to reach the market, and some chip partners are aggressively looking at high-end smartphones and tablets.

"Smartphone is a little bit further off," Forsyth said.

Calxeda and Advanced Micro Devices have already announced they would license the 64-bit processor design from ARM and will sell ARM-based server processors in 2014. Samsung, Broadcom, HiSilicon and STMicroelectronics have also licensed Cortex-A50 designs from ARM. Samsung has licensed both the Cortex-A57 and A53 cores, Forsyth said.

The Cortex-A57 is a "big core" and is targeted at servers, high-performance tablets and "superphones," Forsyth said. The processor can deliver up to three times more performance compared to existing ARM processors at the same power consumption. Depending on the chip's clock speed and number of cores, the processor could also consume less energy than existing ARM processors.

The Cortex-A57 can be configured with up to 16 cores right now and will scale to even more cores for servers in the future, Forsyth said.

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