<s>
The	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
technical	O
specifications	O
describe	O
the	O
various	O
hardware	O
components	O
of	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
home	B-Device
video	I-Device
game	I-Device
console	I-Device
group	O
.	O
</s>
<s>
Multiple	O
versions	O
of	O
this	O
console	O
have	O
been	O
released	O
since	O
the	O
initial	O
launch	O
of	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
,	O
including	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
Slim	O
and	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
Pro	O
.	O
</s>
<s>
The	O
original	O
released	O
420	O
GB	O
HDD	O
PS4s	B-Operating_System
had	O
manufacturer	O
serial	O
numbers	O
of	O
the	O
form	O
CUH-10XXA	O
;	O
a	O
minor	O
modification	O
with	O
a	O
different	O
form	O
of	O
Wi-Fi	O
Microstrip	B-Algorithm
antenna	I-Algorithm
was	O
registered	O
in	O
mid	O
2014	O
as	O
part	O
numbers	O
CUH-11XXA	O
.	O
</s>
<s>
The	O
CUH-12xx	O
series	O
are	O
also	O
referred	O
to	O
as	O
the	O
"	O
C	O
chassis	O
"	O
variant	O
of	O
the	O
PS4	B-Operating_System
.	O
</s>
<s>
At	O
a	O
PlayStation	B-Device
official	O
event	O
in	O
New	O
York	O
(	O
USA	O
)	O
in	O
September	O
2016	O
Sony	O
officially	O
announced	O
a	O
new	O
redesigned	O
PS4	B-Operating_System
,	O
the	O
CUH-2000	O
series	O
,	O
(	O
known	O
colloquially	O
as	O
the	O
"	O
PS4	B-Operating_System
slim	O
"	O
)	O
for	O
sale	O
from	O
15	O
Sep	O
at	O
$299	O
,	O
€299	O
,	O
£259	O
,	O
or	O
29,980	O
Yen	O
for	O
the	O
base	O
500GB	O
model	O
.	O
</s>
<s>
At	O
the	O
same	O
event	O
a	O
more	O
powerful	O
variant	O
,	O
named	O
the	O
"	O
PS4	B-Operating_System
Pro	O
"	O
was	O
also	O
announced	O
,	O
designed	O
for	O
4K	B-Architecture
and	O
HDR	B-General_Concept
displays	O
.	O
</s>
<s>
Earlier	O
PS4	B-Operating_System
models	O
received	O
HDR	B-General_Concept
support	O
with	O
System	O
Software	O
4.00	O
.	O
</s>
<s>
The	O
upgraded	O
PS4	B-Operating_System
Pro	O
(	O
originally	O
codenamed	O
'	O
Neo	O
 '	O
,	O
product	O
code	O
CUH-7000	O
)	O
used	O
a	O
more	O
powerful	O
APU	O
built	O
with	O
a	O
16nm	O
FinFET	O
process	O
from	O
TSMC	O
.	O
</s>
<s>
While	O
the	O
number	O
of	O
logical	O
processor	O
cores	O
(	O
8	O
)	O
was	O
unchanged	O
,	O
its	O
CPU	O
clock	O
speed	O
increased	O
from	O
1.6GHz	O
to	O
2.13GHz	O
(	O
a	O
33.1	O
%	O
improvement	O
in	O
CPU	B-Architecture
core	I-Architecture
clock	O
rate	O
)	O
,	O
but	O
with	O
the	O
underlying	O
architecture	O
unchanged	O
.	O
</s>
<s>
The	O
number	O
of	O
graphics	O
Compute	O
Units	O
on	O
the	O
APU	O
doubled	O
to	O
36	O
Graphics	B-Architecture
Core	I-Architecture
Next	I-Architecture
(	O
GCN	B-Architecture
)	O
Compute	O
Units	O
(	O
from	O
18	O
)	O
,	O
with	O
a	O
clock	O
speed	O
increase	O
to	O
911MHz	O
(	O
from	O
800MHz	O
)	O
,	O
resulting	O
in	O
a	O
theoretical	O
single	O
precision	O
floating	O
point	O
performance	O
metric	O
of	O
4.19	O
TeraFLOPs	O
.	O
</s>
<s>
Compared	O
to	O
the	O
original	O
PS4	B-Operating_System
GPU	B-Architecture
,	O
this	O
is	O
a	O
2.27	O
×	O
increase	O
in	O
single	O
precision	O
FLOPs	O
.	O
</s>
<s>
Improvements	O
in	O
GPU	B-Architecture
16-bit	O
variable	O
float	O
calculations	O
derived	O
from	O
the	O
newer	O
AMD	O
Vega	O
architecture	O
result	O
in	O
the	O
PS4	B-Operating_System
Pro	O
having	O
a	O
theoretical	O
half	O
precision	O
floating	O
point	O
performance	O
of	O
8.39	O
TeraFLOPs	O
.	O
</s>
<s>
The	O
PS4	B-Operating_System
Pro	O
could	O
use	O
this	O
increase	O
in	O
memory	O
to	O
swap	O
out	O
non-gaming	O
applications	O
that	O
run	O
in	O
the	O
background	O
,	O
like	O
Netflix	O
and	O
Spotify	B-Application
.	O
</s>
<s>
As	O
a	O
side	O
benefit	O
to	O
this	O
,	O
an	O
additional	O
512MB	O
of	O
GDDR5	O
was	O
available	O
for	O
developers	O
to	O
use	O
for	O
games	O
adding	O
up	O
to	O
5.5GB	O
,	O
as	O
opposed	O
to	O
the	O
5GB	O
available	O
on	O
base	O
PS4	B-Operating_System
hardware	O
.	O
</s>
<s>
Some	O
elements	O
added	O
to	O
the	O
design	O
were	O
derived	O
from	O
AMD	O
's	O
newer	O
Polaris	O
and	O
newer	O
architectures	O
;	O
such	O
new	O
features	O
of	O
the	O
processor	O
included	O
a	O
HEVC	B-Algorithm
video	O
codec	O
supporting	O
up	O
to	O
4k	B-Architecture
resolution	I-Architecture
.	O
</s>
<s>
Other	O
specification	O
changes	O
included	O
HDMI	B-Protocol
output	O
being	O
upgraded	O
to	O
HDMI	B-Protocol
2.0b	O
standard	O
,	O
with	O
HDCP	B-Protocol
2.2	O
compliance	O
.	O
</s>
<s>
Wireless	O
networking	O
includes	O
5GHz	O
band	O
support	O
using	O
the	O
IEEE	O
802.11ac	O
standard	O
,	O
and	O
Bluetooth	B-Protocol
support	O
was	O
upgraded	O
to	O
version	O
4.0	O
;	O
wired	O
LAN	O
is	O
as	O
the	O
original	O
PS4	B-Operating_System
.	O
</s>
<s>
The	O
rated	O
power	O
of	O
the	O
original	O
PS4	B-Operating_System
Pro	O
is	O
310W	O
.	O
</s>
<s>
A	O
limited	O
translucent-case	O
version	O
of	O
the	O
PS4	B-Operating_System
Pro	O
was	O
released	O
in	O
August	O
2018	O
,	O
which	O
includes	O
minor	O
hardware	O
updates	O
.	O
</s>
<s>
A	O
second	O
minor	O
hardware	O
refresh	O
,	O
with	O
model	O
number	O
CUH-7200	O
,	O
was	O
first	O
released	O
in	O
bundles	O
with	O
Red	B-Application
Dead	I-Application
Redemption	I-Application
2	I-Application
in	O
November	O
2018	O
.	O
</s>
<s>
The	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
uses	O
a	O
semi-custom	O
Accelerated	B-Architecture
Processing	I-Architecture
Unit	I-Architecture
(	O
APU	O
)	O
developed	O
by	O
AMD	O
in	O
cooperation	O
with	O
Sony	O
and	O
is	O
manufactured	O
by	O
TSMC	O
on	O
a	O
28	O
nm	O
process	O
node	O
.	O
</s>
<s>
Its	O
APU	O
is	O
a	O
single-chip	O
that	O
combines	O
a	O
central	B-General_Concept
processing	I-General_Concept
unit	I-General_Concept
(	O
CPU	O
)	O
and	O
graphics	B-Architecture
processing	I-Architecture
unit	I-Architecture
(	O
GPU	B-Architecture
)	O
,	O
as	O
well	O
as	O
other	O
components	O
such	O
as	O
a	O
memory	B-General_Concept
controller	I-General_Concept
and	O
video	O
decoder/encoder	O
.	O
</s>
<s>
Though	O
not	O
much	O
is	O
publicly	O
known	O
of	O
the	O
PS4	B-Operating_System
's	O
audio	O
capabilities	O
,	O
the	O
console	O
also	O
contains	O
a	O
dedicated	O
hardware	O
audio	O
module	O
,	O
which	O
can	O
support	O
in-game	O
chat	O
with	O
minimal	O
external	O
resources	O
as	O
well	O
as	O
"	O
a	O
very	O
large	O
number	O
"	O
of	O
MP3	B-Application
streams	O
for	O
use	O
in	O
in-game	O
audio	O
.	O
</s>
<s>
The	O
main	O
APU	O
(	O
2013	O
release	O
)	O
has	O
a	O
die	O
size	O
of	O
,	O
with	O
GPUs	B-Architecture
,	O
CPUs	O
and	O
memory	B-General_Concept
controllers	I-General_Concept
on	O
the	O
same	O
die	O
.	O
</s>
<s>
The	O
2013	O
release	O
version	O
APUs	O
contained	O
20	O
GCN	B-Architecture
compute	O
units	O
on	O
die	O
,	O
two	O
of	O
which	O
are	O
thought	O
to	O
be	O
present	O
to	O
provide	O
redundancy	O
to	O
improve	O
manufacturing	O
yield	O
.	O
</s>
<s>
CPUs	O
plus	O
CPU	O
caches	O
make	O
up	O
approximately	O
15%	O
of	O
the	O
chip	O
area	O
,	O
and	O
the	O
GPU	B-Architecture
compute	O
units	O
take	O
up	O
approximately	O
33%	O
of	O
the	O
die	O
area	O
.	O
</s>
<s>
The	O
central	B-General_Concept
processing	I-General_Concept
unit	I-General_Concept
(	O
CPU	O
)	O
consists	O
of	O
two	O
x86-64	B-Device
quad-core	B-Architecture
modules	O
for	O
a	O
total	O
of	O
eight	B-Architecture
cores	I-Architecture
,	O
which	O
are	O
based	O
on	O
the	O
Jaguar	O
CPU	O
architecture	O
from	O
AMD	O
.	O
</s>
<s>
GPU	B-Architecture
specifications	O
:	O
</s>
<s>
The	O
graphics	B-Architecture
processing	I-Architecture
unit	I-Architecture
(	O
GPU	B-Architecture
)	O
is	O
AMD	O
's	O
GPGPU-capable	O
Radeon	B-Device
GCN	B-Architecture
architecture	O
,	O
consisting	O
of	O
18	O
compute	O
units	O
(	O
CUs	O
)	O
for	O
a	O
total	O
of	O
1,152	O
cores	O
(	O
64	O
cores	O
per	O
CU	O
)	O
,	O
that	O
produces	O
a	O
theoretical	O
peak	O
performance	O
of	O
1.84TFLOPS	O
.	O
</s>
<s>
This	O
processing	O
power	O
can	O
be	O
used	O
for	O
graphics	O
,	O
physics	O
simulation	O
,	O
or	O
a	O
combination	O
of	O
the	O
two	O
,	O
or	O
any	O
other	O
tasks	O
suited	O
for	O
general	B-Architecture
purpose	I-Architecture
computing	I-Architecture
.	O
</s>
<s>
The	O
GPU	B-Architecture
is	O
mostly	O
based	O
on	O
the	O
Bonaire	O
architecture	O
using	O
GCN	B-Architecture
1.1	O
technology	O
.	O
</s>
<s>
The	O
PS4	B-Operating_System
GPU	B-Architecture
does	O
not	O
have	O
any	O
VRAM	O
,	O
because	O
it	O
uses	O
system	O
RAM	O
for	O
graphics	O
operations	O
.	O
</s>
<s>
Though	O
based	O
on	O
AMD	O
's	O
GCN	B-Architecture
architecture	O
,	O
there	O
are	O
several	O
known	O
differentiating	O
factors	O
between	O
the	O
PS4	B-Operating_System
's	O
GPU	B-Architecture
and	O
current-gen	O
PC	O
graphics	O
cards	O
featuring	O
first-gen	O
GCN	B-Architecture
architecture	O
:	O
</s>
<s>
An	O
additional	O
dedicated	O
20GB/s	O
bus	O
that	O
bypasses	O
L1	O
and	O
L2	O
GPU	B-Architecture
cache	O
for	O
direct	O
system	O
memory	O
access	O
,	O
reducing	O
synchronisation	O
challenges	O
when	O
performing	O
fine-grained	O
GPGPU	B-Architecture
compute	O
tasks	O
.	O
</s>
<s>
Sharing	O
the	O
die	O
with	O
the	O
rest	O
of	O
the	O
components	O
of	O
the	O
APU	O
is	O
a	O
Digital	B-General_Concept
signal	I-General_Concept
processing	I-General_Concept
SIP	B-Architecture
block	I-Architecture
that	O
is	O
either	O
identical	O
to	O
AMD	O
TrueAudio	O
or	O
shares	O
a	O
certain	O
amount	O
of	O
similarity	O
with	O
it	O
.	O
</s>
<s>
The	O
rest	O
of	O
the	O
microchip	O
consists	O
of	O
the	O
on-die	O
memory	B-General_Concept
controller	I-General_Concept
,	O
which	O
is	O
shared	O
by	O
the	O
CPU	O
and	O
the	O
GPU	B-Architecture
and	O
some	O
additional	O
logic	O
concerned	O
with	O
memory	O
access	O
.	O
</s>
<s>
With	O
AMD	O
being	O
a	O
founding	O
member	O
of	O
and	O
Sony	O
a	O
contributor	O
to	O
the	O
HSA	B-Application
Foundation	I-Application
,	O
the	O
uncore	O
of	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
supports	O
several	O
of	O
the	O
features	O
promoted	O
by	O
the	O
Heterogeneous	B-Architecture
System	I-Architecture
Architecture	I-Architecture
like	O
e.g.	O
</s>
<s>
This	O
means	O
the	O
system	O
memory	O
is	O
not	O
partitioned	O
,	O
so	O
that	O
a	O
portion	O
of	O
it	O
is	O
exclusively	O
available	O
to	O
the	O
GPU	B-Architecture
,	O
but	O
unified	O
,	O
hence	O
enabling	O
hardware	O
zero-copy	O
.	O
</s>
<s>
The	O
PS4	B-Operating_System
contains	O
a	O
total	O
of	O
8GB	O
(	O
16	O
×	O
0.5GB	O
(	O
512MiB	O
)	O
for	O
CUH10XX/CUH11XX	O
models	O
or	O
8	O
x	O
1GB	O
(	O
1024MiB	O
)	O
for	O
CUH12XX	O
models	O
memory	O
chips	O
)	O
of	O
GDDR5	O
unified	O
system	O
memory	O
,	O
and	O
is	O
capable	O
of	O
running	O
at	O
a	O
maximum	O
clock	O
frequency	O
of	O
2.75GHz	O
(	O
5500	O
MT/s	O
)	O
with	O
a	O
maximum	O
bandwidth	O
of	O
176GB/s	O
.	O
</s>
<s>
This	O
is	O
16	O
times	O
the	O
amount	O
of	O
total	O
RAM	O
found	O
in	O
the	B-Operating_System
PS3	I-Operating_System
and	O
was	O
expected	O
to	O
give	O
the	O
console	O
considerable	O
longevity	O
.	O
</s>
<s>
The	O
unified	O
memory	O
architecture	O
allows	O
the	O
CPU	O
and	O
GPU	B-Architecture
to	O
access	O
a	O
consolidated	O
memory	O
,	O
removing	O
the	O
need	O
for	O
separate	O
,	O
dedicated	O
memory	O
pools	O
.	O
</s>
<s>
The	O
PS4	B-Operating_System
includes	O
a	O
secondary	O
ARM	B-Architecture
processor	I-Architecture
(	O
with	O
separate	O
256	O
MiB	O
of	O
RAM	O
)	O
to	O
assist	O
with	O
background	O
functions	O
and	O
OS	O
features	O
.	O
</s>
<s>
The	O
read-only	O
optical	B-Protocol
drive	O
reads	O
Blu-ray	O
discs	O
at	O
6×	O
constant	B-Device
angular	I-Device
velocity	I-Device
for	O
a	O
maximum	O
read	O
speed	O
of	O
27MB/s	O
a	O
significant	O
upgrade	O
from	O
the	B-Operating_System
PS3	I-Operating_System
's	O
2×	O
speeds	O
that	O
were	O
capped	O
at	O
9MB/s	O
.	O
</s>
<s>
To	O
further	O
enhance	O
optical	B-Protocol
drive	O
performance	O
,	O
the	O
PS4	B-Operating_System
features	O
a	O
hardware	O
on-the-fly	O
zlib	B-Language
decompression	O
module	O
(	O
a	O
special	O
piece	O
of	O
hardware	O
used	O
to	O
quickly	O
decompress	O
the	O
data	O
on	O
the	O
Blu-ray	O
disc	O
,	O
which	O
has	O
been	O
compressed	O
to	O
save	O
space	O
and	O
bandwidth	O
)	O
,	O
allowing	O
for	O
greater	O
effective	O
bandwidth	O
,	O
whilst	O
at	O
the	O
same	O
time	O
,	O
the	O
console	O
continuously	O
caches	O
data	O
onto	O
its	O
hard	O
disk	O
,	O
even	O
buffering	O
unread	O
data	O
when	O
a	O
game	O
is	O
not	O
actively	O
accessing	O
the	O
optical	B-Protocol
drive	O
,	O
forming	O
part	O
of	O
Sony	O
's	O
PlayGo	O
strategy	O
.	O
</s>
<s>
The	O
read-only	O
optical	B-Protocol
drive	O
also	O
reads	O
DVDs	O
.	O
</s>
<s>
It	O
does	O
not	O
read	O
CDs	B-Device
.	O
</s>
<s>
The	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
features	O
802.11	O
b/g/n	O
Wi-Fi	O
connectivity	O
,	O
Ethernet	O
(	O
10BASE-T	O
,	O
100BASE-TX	O
and	O
1000BASE-T	O
)	O
,	O
Bluetooth	O
2.1	O
,	O
and	O
two	O
USB	O
3.0	O
ports	O
.	O
</s>
<s>
An	O
auxiliary	O
port	O
is	O
also	O
included	O
for	O
connection	O
to	O
the	O
PlayStation	B-Algorithm
Camera	I-Algorithm
,	O
a	O
motion	O
detection	O
digital	O
camera	O
device	O
.	O
</s>
<s>
Audio/video	O
output	O
options	O
include	O
HDMI	B-Protocol
and	O
optical	B-Protocol
S/PDIF	O
.	O
</s>
<s>
The	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
does	O
not	O
have	O
an	O
analog	O
audio/video	O
output	O
(	O
if	O
the	O
user	O
does	O
not	O
count	O
the	O
DualShock	O
4	O
's	O
3.5mm	O
audio	O
jack	O
)	O
.	O
</s>
<s>
The	O
PS4	B-Operating_System
Slim	O
(	O
CUH-2000	O
series	O
)	O
features	O
IEEE	O
802.11	O
a/b/g/n/ac	O
Wi-Fi	O
,	O
Bluetooth	B-Protocol
v4.0	O
and	O
a	O
USB	O
3.1	O
port	O
×	O
2	O
while	O
the	O
PS4	B-Operating_System
PRO	O
(	O
CUH-7000	O
series	O
)	O
features	O
a	O
USB	O
3.1	O
port	O
×	O
3	O
,	O
IEEE	O
802.11	O
a/b/g/n/ac	O
Wi-Fi	O
and	O
Bluetooth	B-Protocol
4.0	O
(	O
LE	O
)	O
.	O
</s>
<s>
AMD	O
TrueAudio	O
This	O
package	O
of	O
user-programmable	O
audio	O
DSPs	B-Architecture
offloads	O
audio	O
processing	O
from	O
the	O
CPU	O
.	O
</s>
<s>
Possible	O
effects	O
include	O
3D	B-Application
audio	I-Application
effects	I-Application
,	O
audio	O
compression	O
and	O
decompression	O
,	O
reverberation	O
,	O
and	O
voice	O
stream	O
processing	O
.	O
</s>
<s>
Zlib	B-Language
decoder	O
Decoding	O
of	O
compressed	O
data	O
from	O
the	O
Blu-ray	O
optical	B-Protocol
drive	O
.	O
</s>
<s>
HDMI	B-Protocol
module	O
2.0a	O
HDMI	B-Protocol
output	O
(	O
initially	O
1.4	O
,	O
updated	O
HDMI	B-Protocol
controller	O
via	O
software	O
update	O
4.0	O
)	O
.	O
</s>
<s>
The	O
PS4	B-Operating_System
is	O
powered	O
via	O
an	O
internal	O
wide	O
voltage	O
range	O
(	O
110240VAC	O
50Hz/60Hz	O
)	O
switched-mode	O
power	O
supply	O
.	O
</s>
<s>
According	O
to	O
tests	O
by	O
Eurogamer	O
,	O
initial	O
consoles	O
drew	O
approximately	O
80W	O
when	O
operational	O
in	O
menu	O
mode	O
,	O
rising	O
to	O
around	O
110120W	O
in	O
gameplay	O
,	O
with	O
peaks	O
of	O
140W	O
with	O
both	O
gameplay	O
and	O
menus	O
active	O
,	O
tests	O
by	O
the	O
Natural	O
Resources	O
Defense	O
Council	O
showed	O
similar	O
power	O
consumption	O
figures	O
with	O
137W	O
gameplay	O
peaks	O
(	O
with	O
PS4	B-Algorithm
Camera	I-Algorithm
connected	O
)	O
;	O
power	O
consumption	O
in	O
(	O
internet-connected	O
)	O
standby	O
mode	O
was	O
measured	O
at	O
8.8W	O
under	O
the	O
same	O
conditions	O
,	O
with	O
a	O
lower	O
power	O
"	O
off	O
"	O
state	O
drawing	O
0.5W	O
.	O
</s>
<s>
The	O
PS4	B-Operating_System
cooling	O
system	O
uses	O
a	O
single	O
centrifugal	O
fan	O
,	O
which	O
draws	O
air	O
in	O
from	O
both	O
sides	O
of	O
the	O
console	O
,	O
split	O
into	O
flows	O
above	O
and	O
below	O
the	O
main	O
PCB	O
,	O
before	O
entering	O
the	O
fan	O
from	O
top	O
and	O
bottom	O
;	O
the	O
fan	O
exhaust	O
then	O
cools	O
the	O
main	O
APU	O
via	O
a	O
heat	O
pipe-connected	O
heatsink	O
,	O
with	O
the	O
exhaust	O
passing	O
over	O
the	O
main	O
power	O
supply	O
before	O
being	O
emitted	O
from	O
the	O
rear	O
of	O
the	O
console	O
.	O
</s>
<s>
The	O
"	O
PS4	B-Operating_System
slim	O
"	O
(	O
official	O
CUH-2000	O
series	O
)	O
released	O
in	O
September	O
2016	O
reduced	O
the	O
rating	O
of	O
the	O
power	O
supply	O
to	O
165W	O
;	O
according	O
to	O
Tweaktown	O
the	O
reduction	O
in	O
power	O
requirements	O
was	O
due	O
to	O
the	O
main	O
APU	O
being	O
made	O
at	O
a	O
16nm	O
scale	O
,	O
down	O
from	O
28nm	O
.	O
</s>
