when you hear the term CPU you probably think of a microprocessor from Intel or
AMD that sits in your desktop or laptop computer but in the connected age there
are a lot of devices from smartphones
and tablets to fancy Android game consoles to even things like anti-lock
brakes and web connected door locks that
also need processors with many of them powered by specialized CPUs based on
technology from a company called ARM so
what exactly is an ARM CPU and why don't you have one in your PC as well well the
PC processor scene has long been dominated by chips using an instruction
set called x86 originally developed by
Intel and only fully licensed out to a
couple of other manufacturers including AMD ARM doesn't have the correct
licenses to design x86 processors and it's unlikely that Intel will be
allowing anyone else to do so in the near future given they even amended
their cross- licensing agreement with AMD to prevent it from transferring to a
third party if AMD gets acquired which is a bummer because x86 is super awesome
for some workloads with high-end core i7 chips able to handle complex
instructions that tell the processing course to do a lot of things at once an
ARM CPU by contrast is optimized for
simpler instructions that are closer to the metal than x86 so the processor
doesn't have to to do as much sorting and arranging to get to the actual meat
of the work think of it like trying to help your buddy move Apartments if he
dumps a huge pile of dirty dishes and disassembled Ikea furniture in front of
you and tells you all at once what to do with it that's a lot of fraking work to
remember what he said and then actually do it well that's what x86 can do but if
he's a reasonable person and has all his stuff laid out neatly for you once you
get there and tells you as you go where he wants everything stored you'll
probably have a much easier time of it
just like you'll expend less energy in the second scenario an ARM CPU also uses
much less energy than a typical x86 processor which is monumentally
important for preserving battery life in
mobile devices these Energy savings can be seen in an ARM CPU's drastically
reduced heat output as well about 15
times less than your average cor i7 which you could probably an egg on if
you weren't using a heat sink so while x86 is superior for heavy workloads not
to mention that it's continued use enables backwards compatibility with
games and apps that were written decades ago for devices that perform only
simpler tasks and whose app development was mostly done in the last half a dozen
years like smartphones ARM is perfect
okay line is cool but while you've mentioned ARM and cell phones together a
lot I thought most cell phones use apple a series or qualcom Snapdragon
processors ah well ARM doesn't actually
make their own chips at all instead other companies buy designs from arms
engineers and integrate them into their own products sometimes even modifying
them sometimes significantly for specific purposes as Apple has been
known to do giving them the flexibility to build the CPU around their devices
design rather than the other way around a Paradigm shifting change but what does
the future hold for arms technology Microsoft's Surface RT series tablets
demonstrated that it's unlikely to replace x86 in Windows PCS anytime soon
but as it continues to improve power sipping devices will get closer and
closer to the functionality of your desktop not to mention that app
compatibility will improve and we're even starting to see ARM appear in
servers so Google doesn't have to work quite so hard to cool off their server
Farms speaking of cool your website could be cool if only you were using
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why is that in my notes that is a slogan usually I like to just stick with like
you know riffing on the notes but whatever thanks for watching guys like
this video if you liked it dislike it if you thought it sucked uh also check out
the dildo racing video on Channel Super Fun hopefully that'll be up by the time
you guys are seeing this and you can go check that out Channel Super Fun's kind
of a lot of fun it's right in the name super fun comment on this video
suggestions for future fastest possible and I think that's pretty much it I'll
see you guys next time