[Libav-user] Faster X265 encoding, buying new hardware, advice please?

Dave ffmpeg at dgmm.net
Fri Oct 27 04:54:50 EEST 2017

On Wednesday 25 October 2017 23:50:08 Carl Eugen Hoyos wrote:
> 2017-10-25 22:09 GMT+02:00 Dave <ffmpeg at dgmm.net>:
> > Thanks Carl.  There seems to be very sparse information around in
> > terms of comparison benchmarks and system recommendations but
> > what you say more or less keeps it simple.  I doubt I'll be forking out
> > for the latest bleeding edge CPU so it pretty much boils down to as
> > many cores and MHz as I can afford, carefully matched to a decent
> > motherboard and RAM with plenty of onboard data transfer bandwidth.
> I fear a little research will tell you that only the "bleeding edge" cpus
> have a measurably better memory transfer bandwidth, motherboard
> should have no impact. The cpu cache may make memory bandwidth
> irrelevant.
> > Should I  be wary of AMD though or do the more modern CPUs support
> > the same extensions as Intel, or at least are supported by the encoder
> > such that I'm not going to end up with a pig in a poke if I choose AMD?
> You won't get AVX512 for AMD.


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