<s>
The	O
Apple	B-Device
A11	I-Device
Bionic	I-Device
is	O
a	O
64-bit	B-Device
ARM-based	O
system	B-Architecture
on	I-Architecture
a	I-Architecture
chip	I-Architecture
(	O
SoC	O
)	O
,	O
designed	O
by	O
Apple	O
Inc	O
.	O
and	O
manufactured	O
by	O
TSMC	O
.	O
</s>
<s>
It	O
first	O
appeared	O
in	O
the	O
iPhone	B-Operating_System
8	I-Operating_System
and	I-Operating_System
8	I-Operating_System
Plus	I-Operating_System
,	O
and	O
iPhone	B-Operating_System
X	I-Operating_System
which	O
were	O
introduced	O
on	O
September	O
12	O
,	O
2017	O
.	O
</s>
<s>
The	O
A11	B-Device
Bionic	I-Device
chip	O
was	O
discontinued	O
on	O
April	O
15	O
,	O
2020	O
,	O
following	O
the	O
discontinuation	O
of	O
the	O
iPhone	B-Operating_System
8	I-Operating_System
and	I-Operating_System
8	I-Operating_System
Plus	I-Operating_System
.	O
</s>
<s>
The	O
A11	O
features	O
an	O
Apple-designed	O
64-bit	B-Device
ARMv8-A	O
six-core	O
CPU	O
,	O
with	O
two	O
high-performance	O
cores	O
at	O
2.39	O
GHz	O
,	O
called	O
Monsoon	O
,	O
and	O
four	O
energy-efficient	O
cores	O
,	O
called	O
Mistral	O
.	O
</s>
<s>
The	O
Monsoon	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
Mistral	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
A11	O
also	O
integrates	O
an	O
Apple-designed	O
three-core	O
graphics	B-Architecture
processing	I-Architecture
unit	I-Architecture
(	O
GPU	B-Architecture
)	O
with	O
30%	O
faster	O
graphics	O
performance	O
than	O
the	O
A10	O
.	O
</s>
<s>
Embedded	O
in	O
the	O
A11	O
is	O
the	O
M11	O
motion	B-Device
coprocessor	I-Device
.	O
</s>
<s>
The	O
A11	O
includes	O
a	O
new	O
image	B-General_Concept
processor	I-General_Concept
which	O
supports	O
computational	B-Algorithm
photography	I-Algorithm
functions	O
such	O
as	O
lighting	O
estimation	O
,	O
wide	O
color	O
capture	O
,	O
and	O
advanced	O
pixel	O
processing	O
.	O
</s>
<s>
The	O
A11	O
is	O
manufactured	O
by	O
TSMC	O
using	O
a	O
10	B-Algorithm
nm	I-Algorithm
FinFET	O
process	O
and	O
contains	O
4.3	O
billion	O
transistors	O
on	O
a	O
die	O
87.66	O
mm2	O
in	O
size	O
,	O
30%	O
smaller	O
than	O
the	O
A10	O
.	O
</s>
<s>
It	O
is	O
manufactured	O
in	O
a	O
package	B-Algorithm
on	I-Algorithm
package	I-Algorithm
(	O
PoP	O
)	O
together	O
with	O
2	O
GB	O
of	O
LPDDR4X	O
memory	O
in	O
the	O
iPhone	B-Operating_System
8	I-Operating_System
and	O
3	O
GB	O
of	O
LPDDR4X	O
memory	O
in	O
the	O
iPhone	B-Operating_System
8	I-Operating_System
Plus	I-Operating_System
and	O
iPhone	B-Operating_System
X	I-Operating_System
.	O
</s>
<s>
The	O
A11	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
Part	I-Application
2	I-Application
,	O
and	O
Motion	B-Application
JPEG	I-Application
.	O
</s>
<s>
+Die	O
Block	O
Comparison	O
(	O
mm²	O
)	O
SoCA11	O
(	O
10	B-Algorithm
nm	I-Algorithm
)	O
Total	O
Die87.66Big	O
Core2.68Small	O
Core0.53CPU	O
Complex	O
(	O
incl	O
.	O
</s>
<s>
The	O
A11	O
also	O
includes	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
Neural	O
Engine	O
"	O
.	O
</s>
<s>
This	O
neural	B-Architecture
network	I-Architecture
hardware	O
can	O
perform	O
up	O
to	O
600	O
billion	O
operations	O
per	O
second	O
and	O
is	O
used	O
for	O
Face	O
ID	O
,	O
Animoji	O
and	O
other	O
machine	O
learning	O
tasks	O
.	O
</s>
<s>
The	O
neural	O
engine	O
allows	O
Apple	O
to	O
implement	O
neural	B-Architecture
network	I-Architecture
and	O
machine	O
learning	O
in	O
a	O
more	O
energy-efficient	O
manner	O
than	O
using	O
either	O
the	O
main	O
CPU	O
or	O
the	O
GPU	B-Architecture
.	O
</s>
<s>
However	O
,	O
third	O
party	O
apps	O
cannot	O
use	O
the	O
Neural	O
Engine	O
,	O
leading	O
to	O
similar	O
neural	B-Architecture
network	I-Architecture
performance	O
to	O
older	O
iPhones	B-Device
.	O
</s>
<s>
The	O
Apple	B-Device
A11	I-Device
Bionic	I-Device
chip	O
is	O
only	O
used	O
in	O
the	O
following	O
iPhones	B-Device
,	O
and	O
not	O
in	O
iPads	B-Device
nor	O
any	O
generation	O
of	O
iPod	B-Device
touch	I-Device
,	O
or	O
Apple	B-Device
TVs	I-Device
.	O
</s>
