[Arm-dev] Gigabyte MP30-AR0

Sat Mar 5 13:40:59 UTC 2016
Richard W.M. Jones <rjones at redhat.com>

On Sat, Mar 05, 2016 at 01:30:13PM +0000, Gordan Bobic wrote:
> On 05/03/16 13:11, Richard W.M. Jones wrote:
> >On Sat, Mar 05, 2016 at 12:39:02PM +0000, Gordan Bobic wrote:
> >>Just out of interest, what is better about the AMD Seattle CPU
> >>compared to the X-Gene on the Gigabyte board?
> >
> >A57 cores.  Memory bandwidth is slightly faster too.
> 
> I cannot claim to have investigated the differences between A57 and
> X-Gene in great detail but from the quick overview table here:
> https://en.wikipedia.org/wiki/Comparison_of_ARMv8-A_cores
> it looks like if anything the X-Gene is likely to be faster given it
> has a L3 on-chip cache which A57 doesn't seem to.

L3 cache is a function of the SoC, not the cores.  The Seattle also
has 8 MB L3 cache.

I need to stop talking now because I'm unable to discuss the relative
or even absolute performance of particular SoCs as a condition of NDAs.

Rich.

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