<s>
The	O
Apple	B-Device
A12X	I-Device
Bionic	I-Device
is	O
a	O
64-bit	B-Device
system	B-Architecture
on	I-Architecture
a	I-Architecture
chip	I-Architecture
(	O
SoC	O
)	O
designed	B-Device
by	I-Device
Apple	I-Device
Inc	I-Device
.	I-Device
</s>
<s>
It	O
first	O
appeared	O
in	O
the	O
iPad	B-Device
Pro	I-Device
(	O
3rd	O
generation	O
)	O
,	O
announced	O
on	O
October	O
30	O
,	O
2018	O
.	O
</s>
<s>
The	O
A12X	O
is	O
an	O
8-core	O
variant	O
of	O
the	O
A12	B-Device
(	O
four	O
big	O
cores	O
,	O
four	O
small	O
cores	O
)	O
and	O
Apple	O
states	O
that	O
it	O
has	O
35	O
percent	O
faster	O
single-core	O
CPU	O
performance	O
and	O
90	O
percent	O
faster	O
overall	O
CPU	O
performance	O
than	O
its	O
predecessor	O
,	O
the	O
Apple	B-Device
A10X	I-Device
.	O
</s>
<s>
The	O
Apple	B-Device
A12Z	I-Device
Bionic	I-Device
is	O
an	O
updated	O
version	O
of	O
the	O
A12X	O
,	O
adding	O
an	O
additional	O
GPU	B-Architecture
core	O
,	O
and	O
was	O
unveiled	O
on	O
March	O
18	O
,	O
2020	O
as	O
part	O
of	O
the	O
iPad	B-Device
Pro	I-Device
(	O
4th	O
generation	O
)	O
.	O
</s>
<s>
The	O
A12X	O
and	O
A12Z	B-Device
feature	O
an	O
Apple-designed	O
64-bit	B-Device
ARMv8.3-A	O
octa-core	O
CPU	O
,	O
with	O
four	O
high-performance	O
cores	O
called	O
Vortex	O
and	O
four	O
energy-efficient	O
cores	O
called	O
Tempest	O
.	O
</s>
<s>
The	O
Vortex	O
cores	O
are	O
a	O
7-wide	O
decode	O
out-of-order	B-General_Concept
superscalar	B-General_Concept
design	O
,	O
while	O
the	O
Tempest	O
cores	O
are	O
a	O
3-wide	O
decode	O
out-of-order	B-General_Concept
superscalar	B-General_Concept
design	O
.	O
</s>
<s>
The	O
A12X	O
integrates	O
an	O
Apple-designed	O
7-core	O
graphics	B-Architecture
processing	I-Architecture
unit	I-Architecture
(	O
GPU	B-Architecture
)	O
,	O
with	O
twice	O
the	O
graphics	O
performance	O
of	O
the	O
A10X	B-Device
.	O
</s>
<s>
The	O
A12Z	B-Device
has	O
an	O
8-core	O
GPU	B-Architecture
,	O
one	O
more	O
core	O
than	O
the	O
A12X	O
,	O
enabling	O
better	O
performance	O
in	O
4K	O
video	O
editing	O
,	O
rendering	O
,	O
and	O
augmented	B-General_Concept
reality	I-General_Concept
.	O
</s>
<s>
Embedded	O
in	O
the	O
A12X	O
and	O
A12Z	B-Device
is	O
the	O
M12	O
motion	B-Device
coprocessor	I-Device
.	O
</s>
<s>
The	O
A12Z	B-Device
additionally	O
features	O
tuned	O
performance	O
controllers	O
and	O
a	O
better	O
thermal	O
architecture	O
compared	O
to	O
the	O
A12X	O
,	O
which	O
potentially	O
allows	O
for	O
higher	O
clock	O
speeds	O
.	O
</s>
<s>
The	O
A12X	O
and	O
A12Z	B-Device
include	O
dedicated	B-General_Concept
neural	I-General_Concept
network	I-General_Concept
hardware	I-General_Concept
that	O
Apple	O
calls	O
a	O
"	O
next-generation	O
Neural	O
Engine	O
"	O
.	O
</s>
<s>
This	O
neural	O
network	O
hardware	O
,	O
which	O
is	O
the	O
same	O
as	O
found	O
in	O
the	O
A12	B-Device
,	O
can	O
perform	O
up	O
to	O
5	O
trillion	O
operations	O
per	O
second	O
.	O
</s>
<s>
The	O
A12X	O
and	O
A12Z	B-Device
are	O
manufactured	O
by	O
TSMC	O
using	O
a	O
7	O
nm	O
FinFET	O
process	O
,	O
and	O
it	O
contains	O
10	O
billion	O
transistors	O
vs.	O
the	O
6.9	O
billion	O
on	O
the	O
A12	B-Device
.	O
</s>
<s>
The	O
A12X	O
is	O
paired	O
with	O
4GB	O
of	O
LPDDR4X	O
memory	O
in	O
the	O
third-generation	O
12.9	O
"	O
iPad	B-Device
Pro	I-Device
and	O
the	O
first-generation	O
11	O
"	O
iPad	B-Device
Pro	I-Device
,	O
or	O
6GB	O
in	O
the	O
1TB	O
storage	O
configurations	O
.	O
</s>
<s>
The	O
A12Z	B-Device
is	O
paired	O
with	O
6GB	O
of	O
LPDDR4X	O
RAM	O
in	O
the	O
fourth-generation	O
12.9	O
"	O
iPad	B-Device
Pro	I-Device
and	O
the	O
second-generation	O
11	O
"	O
iPad	B-Device
Pro	I-Device
.	O
</s>
<s>
The	O
A12X	O
has	O
video	O
codec	O
encoding	O
support	O
for	O
HEVC	B-Algorithm
and	O
H.264	B-Application
.	O
</s>
<s>
It	O
has	O
decoding	O
support	O
for	O
HEVC	B-Algorithm
,	O
H.264	B-Application
,	O
MPEG‑4	B-Application
,	O
and	O
Motion	B-Application
JPEG	I-Application
.	O
</s>
<s>
At	O
its	O
2020	O
Worldwide	O
Developer	O
's	O
Conference	O
,	O
Apple	O
introduced	O
the	O
Developer	O
Transition	O
Kit	O
(	O
2020	O
)	O
,	O
which	O
uses	O
the	O
A12Z	B-Device
processor	O
with	O
16GB	O
RAM	O
in	O
a	O
Mac	B-Device
mini	I-Device
enclosure	O
,	O
hence	O
being	O
the	O
first	O
Macintosh	B-Device
computer	O
to	O
use	O
the	O
Apple	B-Device
silicon	I-Device
architecture	O
.	O
</s>
<s>
The	O
A12Z	B-Device
would	O
be	O
used	O
as	O
the	O
basis	O
for	O
the	O
design	O
of	O
the	O
M1	B-Device
,	O
Apple	O
's	O
first	O
in-house	O
processor	O
designed	O
for	O
use	O
in	O
Mac	O
computers	O
.	O
</s>
