ARM's latest CPUs push Android phone makers toward 64-bit only devices
ARM just sent a not-so-subtle warning to Android phone makers still hanging on to 32-bit technology. The company hasits first lineup of CPU core designs that are exclusively 64-bit — unlike last year, there's no legacy tech for vendors to use. The Cortex-X4, Cortex-A720 and Cortex-A520 don't always represent major leaps in performance, but they're likely to set the pace for Android in the near future.
The Cortex-X4, like the X3, is a performance core aimed at flagship phones. Its updated architecture delivers a 15 percent claimed higher performance, but uses 40 percent less power than its predecessor. That translates to faster app launches and a more responsive interface, according to ARM. We also wouldn't be surprised if this led to improved battery life in games and other intensive tasks.
Meanwhile, the Cortex-A720 is a sequel to the A715"middle" core that handles most computing chores. While it is faster, the focus is on longevity. ARM claims the A720 is over 20 percent more power efficient than last year's design. Chipmakers can even use a smaller 'entry' version to cut costs or shrink their hardware.
We wouldn't discount the Cortex-A520 efficiency core. While it's ultimately meant for background processing and other low-demand duties, it's reportedly 22 percent more efficient than the A510 it's replacing while managing eight percent better performance. Your phone might last longer even if you aren't a heavy-duty user.Great deals on consumer electronics delivered straight to your inbox, curated by Engadget’s editorial team.
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