[Arm-netbook] Rpi vs cortexA8

Enrico ebutera at users.sourceforge.net
Sun Jun 3 11:42:47 BST 2012


On Sun, Jun 3, 2012 at 12:17 PM, Tsvetan Usunov, OLIMEX LTD
<usunov at olimex.com> wrote:
>> http://www.engadget.com/2012/06/01/raspberry-pi-impressions-the-35-linux-computer-and-tinker-toy/
>>
>> "And, in case there was any doubt in your mind about how painful just
>> web browsing could be on this thing, we ran SunSpider (which also
>> pinned the CPU) and got a score of 44,230. By comparison, our OG Droid
>> (which is clocked at just 550MHz, but has the advantage of being a
>> Cortex A8 chip) pulled a 11,188."
>
> so ARM11 @700Mhz is 4 times slower than Cortex-A8 @ 550Mhz?
>
> http://en.wikipedia.org/wiki/List_of_ARM_microprocessor_cores
>
> says 965 DMIPS @ 772 MHz for ARM1176 and 2.0 DMIPS/MHz for Cortex A8, so
> Cortex A8 @ 550 should give 1100 DMIPS or about 15% faster

Just speculating, but one of the things that could give a speed boost
in the cortex-a8 is the neon unit.

Enrico



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