<s>
The	O
Apple	B-Device
A5X	I-Device
is	O
a	O
32-bit	O
system	B-Architecture
on	I-Architecture
a	I-Architecture
chip	I-Architecture
(	O
SoC	O
)	O
designed	O
by	O
Apple	O
Inc	O
.	O
and	O
manufactured	O
by	O
Samsung	O
.	O
</s>
<s>
Apple	O
used	O
it	O
only	O
in	O
the	O
third-generation	B-Operating_System
iPad	I-Operating_System
.	O
</s>
<s>
The	O
A5X	B-Device
is	O
a	O
high-performance	O
variant	O
of	O
the	O
Apple	O
A5	O
.	O
</s>
<s>
Apple	O
claimed	O
during	O
their	O
media	O
event	O
on	O
March	O
7	O
,	O
2012	O
that	O
the	O
quad-core	O
PowerVR	O
SGX543MP4	O
graphics	B-Architecture
processing	I-Architecture
unit	I-Architecture
(	O
GPU	B-Architecture
)	O
in	O
the	O
A5X	B-Device
is	O
two	O
times	O
faster	O
than	O
the	O
GPU	B-Architecture
in	O
the	O
A5	O
,	O
as	O
the	O
A5X	B-Device
GPU	B-Architecture
contains	O
two	O
more	O
cores	O
than	O
the	O
dual-core	O
version	O
GPU	B-Architecture
in	O
the	O
A5	O
.	O
</s>
<s>
The	O
last	O
operating	O
system	O
update	O
Apple	O
provided	O
for	O
a	O
mobile	O
device	O
containing	O
an	O
A5X	B-Device
(	O
third-generation	B-Operating_System
iPad	I-Operating_System
cellular	O
models	O
)	O
was	O
iOS	O
9.3.6	O
,	O
which	O
was	O
released	O
on	O
July	O
22	O
,	O
2019	O
as	O
it	O
was	O
discontinued	O
with	O
the	O
release	O
of	O
iOS	B-Operating_System
10	I-Operating_System
in	O
2016	O
.	O
</s>
<s>
Apple	O
designed	O
the	O
A5X	B-Device
chip	O
specifically	O
for	O
the	O
third-generation	B-Operating_System
iPad	I-Operating_System
to	O
provide	O
the	O
additional	O
graphical	O
performance	O
it	O
required	O
for	O
its	O
new	O
Retina	B-Operating_System
display	I-Operating_System
.	O
</s>
<s>
The	O
A5X	B-Device
chip	O
features	O
a	O
dual-core	O
45	O
nm	O
ARM	B-Application
Cortex-A9	I-Application
CPU	O
with	O
a	O
clock	O
rate	O
of	O
1GHz	O
,	O
and	O
a	O
quad-core	O
32	O
nm	O
PowerVR	O
SGX543MP4	O
GPU	B-Architecture
with	O
a	O
clock	O
rate	O
of	O
250	O
MHz	O
.	O
</s>
<s>
Compared	O
to	O
the	O
A5	O
,	O
the	O
memory	O
interface	O
of	O
the	O
A5X	B-Device
is	O
twice	O
the	O
size	O
.	O
</s>
<s>
The	O
A5X	B-Device
memory	O
interface	O
subsystem	O
utilizes	O
four	O
32	O
bits	O
wide	O
LPDDR2	O
memory	O
controllers	O
.	O
</s>
<s>
Unlike	O
the	O
Apple	O
A4	O
and	O
the	O
A5	O
,	O
the	O
A5X	B-Device
uses	O
a	O
metal	O
heat	O
spreader	O
(	O
along	O
with	O
thermal	O
paste	O
)	O
to	O
cover	O
the	O
flip	O
chip	O
underneath	O
.	O
</s>
<s>
The	O
A5X	B-Device
does	O
not	O
use	O
the	O
package	B-Algorithm
on	I-Algorithm
package	I-Algorithm
(	O
PoP	O
)	O
method	O
of	O
installation	O
to	O
support	O
RAM	O
—	O
RAM	O
is	O
found	O
externally	O
from	O
the	O
A5X	B-Device
chip	O
.	O
</s>
