<s>
A	O
mobile	O
processor	O
is	O
a	O
microprocessor	B-Architecture
designed	O
for	O
mobile	O
devices	O
such	O
as	O
laptops	B-Device
,	O
and	O
cell	O
phones	O
.	O
</s>
<s>
A	O
CPU	B-Architecture
chip	I-Architecture
is	O
designed	O
for	O
portable	B-Device
computers	I-Device
to	O
run	O
fanless	O
,	O
under	O
10	O
to	O
15W	O
,	O
which	O
is	O
cool	O
enough	O
without	O
a	O
fan	O
.	O
</s>
<s>
It	O
is	O
typically	O
housed	O
in	O
a	O
smaller	O
chip	O
package	O
,	O
but	O
more	O
importantly	O
,	O
in	O
order	O
to	O
run	O
cooler	O
,	O
it	O
uses	O
lower	O
voltages	O
than	O
its	O
desktop	B-Device
counterpart	O
and	O
has	O
more	O
sleep	O
mode	O
capability	O
.	O
</s>
<s>
This	O
stepping	O
down	O
conserves	O
power	O
and	O
prolongs	O
battery	B-Architecture
life	I-Architecture
.	O
</s>
<s>
One	O
of	O
the	O
main	O
characteristics	O
differentiating	O
laptop	B-Application
processors	I-Application
from	O
other	O
CPUs	O
is	O
low-power	O
consumption	O
,	O
however	O
,	O
they	O
are	O
not	O
without	O
tradeoffs	O
;	O
they	O
also	O
tend	O
to	O
not	O
perform	O
as	O
well	O
as	O
their	O
desktop	B-Device
counterparts	O
.	O
</s>
<s>
The	O
notebook	B-Application
processor	I-Application
has	O
become	O
an	O
important	O
market	O
segment	O
in	O
the	O
semiconductor	O
industry	O
.	O
</s>
<s>
Notebook	B-Device
computers	I-Device
are	O
a	O
popular	O
format	O
of	O
the	O
broader	O
category	O
of	O
mobile	O
computers	O
.	O
</s>
<s>
The	O
objective	O
of	O
a	O
notebook	B-Device
computer	I-Device
is	O
to	O
provide	O
the	O
performance	O
and	O
functionality	O
of	O
a	O
desktop	B-Device
computer	I-Device
in	O
a	O
portable	B-Device
size	O
and	O
weight	O
.	O
</s>
<s>
Cell	O
phones	O
and	O
PDAs	O
use	O
"	O
system	B-Architecture
on	I-Architecture
a	I-Architecture
chip	I-Architecture
"	O
integrated	O
circuits	O
that	O
use	O
less	O
power	O
than	O
most	O
notebook	B-Application
processors	I-Application
.	O
</s>
<s>
While	O
it	O
is	O
possible	O
to	O
use	O
desktop	B-Device
processors	O
in	O
laptops	B-Device
,	O
this	O
practice	O
is	O
generally	O
not	O
recommended	O
,	O
as	O
desktop	B-Device
processors	O
heat	O
faster	O
than	O
notebook	B-Application
processors	I-Application
and	O
drain	O
batteries	O
faster	O
.	O
</s>
<s>
Motorola	O
and	O
Freescale	O
Semiconductor	O
made	O
PowerPC	B-General_Concept
G4	I-General_Concept
processors	O
for	O
the	O
pre-Intel	O
Apple	O
Computer	O
notebooks	B-Device
.	O
</s>
