<s>
Broadwell	B-General_Concept
is	O
the	O
fifth	O
generation	O
of	O
the	O
Intel	O
Core	O
Processor	O
.	O
</s>
<s>
It	O
is	O
Intel	B-Architecture
's	I-Architecture
codename	I-Architecture
for	O
the	O
14	B-Algorithm
nanometer	I-Algorithm
die	O
shrink	O
of	O
its	O
Haswell	B-Device
microarchitecture	I-Device
.	O
</s>
<s>
It	O
is	O
a	O
"	O
tick	O
"	O
in	O
Intel	O
's	O
tick	B-Device
–	I-Device
tock	I-Device
principle	O
as	O
the	O
next	O
step	O
in	O
semiconductor	O
fabrication	O
.	O
</s>
<s>
Like	O
some	O
of	O
the	O
previous	O
tick-tock	O
iterations	O
,	O
Broadwell	B-General_Concept
did	O
not	O
completely	O
replace	O
the	O
full	O
range	O
of	O
CPUs	O
from	O
the	O
previous	O
microarchitecture	B-General_Concept
(	O
Haswell	B-Device
)	O
,	O
as	O
there	O
were	O
no	O
low-end	O
desktop	B-Device
CPUs	O
based	O
on	O
Broadwell	B-General_Concept
.	O
</s>
<s>
Some	O
of	O
the	O
processors	O
based	O
on	O
the	O
Broadwell	B-General_Concept
microarchitecture	B-General_Concept
are	O
marketed	O
as	O
"	O
5th-generation	O
Core	O
"	O
i3	O
,	O
i5	O
and	O
i7	O
processors	O
.	O
</s>
<s>
This	O
moniker	O
is	O
however	O
not	O
used	O
for	O
marketing	O
of	O
the	O
Broadwell-based	O
Celeron	B-Device
,	O
Pentium	B-General_Concept
or	O
Xeon	B-Device
chips	O
.	O
</s>
<s>
This	O
microarchitecture	B-General_Concept
also	O
introduced	O
the	O
CoreM	O
processor	O
branding	O
.	O
</s>
<s>
Broadwell	B-General_Concept
is	O
the	O
last	O
Intel	O
platform	O
on	O
which	O
Windows	B-Device
7	I-Device
is	O
supported	O
by	O
either	O
Intel	O
or	O
Microsoft	O
;	O
however	O
,	O
third-party	O
hardware	O
vendors	O
have	O
offered	O
limited	O
Windows	B-Device
7	I-Device
support	O
on	O
more	O
recent	O
platforms	O
.	O
</s>
<s>
Broadwell	B-General_Concept
's	O
H	O
and	O
C	O
variants	O
are	O
used	O
in	O
conjunction	O
with	O
Intel	O
9	O
Series	O
chipsets	O
(	O
Z97	B-Device
,	O
H97	B-Device
and	O
HM97	O
)	O
,	O
in	O
addition	O
to	O
retaining	O
backward	B-General_Concept
compatibility	I-General_Concept
with	O
some	O
of	O
the	O
Intel	O
8	O
Series	O
chipsets	O
.	O
</s>
<s>
Broadwell	B-General_Concept
has	O
been	O
launched	O
in	O
three	O
major	O
variants	O
:	O
</s>
<s>
BGA	B-Algorithm
package	O
:	O
</s>
<s>
Broadwell-Y	O
:	O
system	B-Architecture
on	I-Architecture
a	I-Architecture
chip	I-Architecture
(	O
SoC	B-Architecture
)	O
;	O
4.5W	O
and	O
3.5W	O
thermal	B-General_Concept
design	I-General_Concept
power	I-General_Concept
(	O
TDP	B-General_Concept
)	O
classes	O
,	O
for	O
tablets	O
and	O
certain	O
ultrabook-class	O
implementations	O
.	O
</s>
<s>
GT2	O
GPU	B-Architecture
was	O
used	O
,	O
while	O
maximum	O
supported	O
memory	O
is	O
8GB	O
of	O
LPDDR3-1600	O
.	O
</s>
<s>
At	O
Computex	O
2014	O
,	O
Intel	O
announced	O
that	O
these	O
chips	O
would	O
be	O
branded	O
as	O
Core	B-Device
M	I-Device
.	O
TSX	B-Operating_System
instructions	O
are	O
disabled	O
in	O
this	O
series	O
of	O
processors	O
because	O
a	O
bug	O
that	O
cannot	O
be	O
fixed	O
with	O
a	O
microcode	O
update	O
exists	O
.	O
</s>
<s>
Broadwell-U	O
:	O
SoC	B-Architecture
;	O
two	O
TDP	B-General_Concept
classes	O
15W	O
for	O
2+2	O
and	O
2+3	O
configurations	O
(	O
two	O
cores	O
with	O
a	O
GT2	O
or	O
GT3	O
GPU	B-Architecture
)	O
as	O
well	O
as	O
28W	O
for	O
2+3	O
configurations	O
.	O
</s>
<s>
Designed	O
to	O
be	O
used	O
on	O
motherboards	O
with	O
the	O
PCH-LP	O
chipset	O
for	O
Intel	O
's	O
ultrabook	B-Device
and	O
NUC	B-Device
platforms	O
.	O
</s>
<s>
For	O
Broadwell-U	O
models	O
with	O
integrated	O
5x00	O
GPUs	B-Architecture
,	O
die	O
size	O
is	O
82mm2	O
with	O
a	O
total	O
of	O
1.3billion	O
transistors	O
,	O
while	O
for	O
the	O
models	O
with	O
6100	O
and	O
6200	O
GPUs	B-Architecture
the	O
die	O
size	O
is	O
133mm2	O
with	O
a	O
total	O
of	O
1.9billion	O
transistors	O
.	O
</s>
<s>
Broadwell-H	O
:	O
37W	O
and	O
47W	O
TDP	B-General_Concept
classes	O
,	O
for	O
motherboards	O
with	O
HM86	O
,	O
HM87	O
,	O
QM87	O
and	O
the	O
new	O
HM97	O
chipsets	O
for	O
"	O
all-in-one	O
"	O
systems	O
,	O
mini-ITX	B-Architecture
form-factor	O
motherboards	O
,	O
and	O
other	O
small	O
footprint	O
formats	O
.	O
</s>
<s>
It	O
was	O
expected	O
to	O
come	O
in	O
two	O
different	O
variants	O
,	O
as	O
single	O
and	O
dual	O
chips	O
;	O
the	O
dual	O
chips	O
(	O
4	O
cores	O
,	O
8	O
threads	O
)	O
would	O
have	O
GT3e	O
and	O
GT2	O
GPU	B-Architecture
,	O
while	O
a	O
single	O
chip	O
(	O
SoC	B-Architecture
;	O
two	O
cores	O
,	O
four	O
threads	O
)	O
would	O
have	O
GT3e	O
GPU	B-Architecture
.	O
</s>
<s>
Broadwell-DT	O
:	O
quad-core	O
unlocked	O
desktop	B-Device
version	O
with	O
GT3e	O
integrated	O
graphics	O
(	O
Iris	O
Pro	O
6200	O
)	O
and	O
128MB	O
of	O
eDRAM	O
L4	O
cache	O
,	O
in	O
a	O
65W	O
TDP	B-General_Concept
class	O
.	O
</s>
<s>
Announced	O
to	O
be	O
backward	B-General_Concept
compatible	I-General_Concept
with	O
the	O
LGA1150	B-Device
motherboards	O
designed	O
for	O
Haswell	B-Device
processors	O
.	O
</s>
<s>
Broadwell-EX	O
:	O
Brickland	O
platform	O
,	O
for	O
mission-critical	O
servers	O
.	O
</s>
<s>
Intel	B-Architecture
QuickPath	I-Architecture
Interconnect	I-Architecture
(	O
QPI	B-Architecture
)	O
is	O
expected	O
to	O
be	O
updated	O
to	O
version	O
1.1	O
,	O
enabling	O
seamless	O
scaling	O
beyond	O
eight-socket	O
systems	O
.	O
</s>
<s>
Up	O
to	O
24	O
core	O
and	O
48	O
threads	O
,	O
up	O
to	O
60MB	O
of	O
L3	O
cache	O
and	O
32	O
PCI	O
Express3.0	O
lanes	O
,	O
with	O
115165W	O
TDP	B-General_Concept
.	O
</s>
<s>
Broadwell-EP	O
:	O
to	O
be	O
marketed	O
as	O
Xeon	B-Device
E5-2600	O
v4	O
etc.	O
,	O
while	O
using	O
the	O
C610	O
Wellsburg	O
chipset	O
platform	O
.	O
</s>
<s>
Up	O
to	O
22	O
cores	O
and	O
44	O
threads	O
,	O
up	O
to	O
55MB	O
of	O
total	O
cache	O
and	O
40	O
PCI	O
Express	O
3.0	O
lanes	O
,	O
with	O
55	O
–	O
160W	O
TDP	B-General_Concept
classes	O
.	O
</s>
<s>
Broadwell-E	B-General_Concept
:	O
HEDT	O
platform	O
,	O
for	O
enthusiasts	O
.	O
</s>
<s>
Broadwell	B-General_Concept
introduces	O
some	O
instruction	B-General_Concept
set	I-General_Concept
architecture	I-General_Concept
extensions	O
:	O
</s>
<s>
Supervisor	B-Device
Mode	I-Device
Access	I-Device
Prevention	I-Device
(	O
SMAP	O
)	O
optionally	O
disallows	O
access	O
from	O
kernel-space	O
memory	O
to	O
user-space	O
memory	O
,	O
a	O
feature	O
aimed	O
at	O
making	O
it	O
harder	O
to	O
exploit	O
software	O
bugs	O
.	O
</s>
<s>
Transactional	B-Operating_System
Synchronization	I-Operating_System
Extensions	I-Operating_System
:	O
This	O
instruction	B-General_Concept
set	I-General_Concept
is	O
reintroduced	O
for	O
all	O
versions	O
of	O
Broadwell	B-General_Concept
except	O
for	O
Broadwell-Y	O
because	O
a	O
bug	O
that	O
cannot	O
be	O
fixed	O
via	O
microcode	O
update	O
in	O
Broadwell-Y	O
and	O
all	O
versions	O
of	O
Haswell	B-Device
except	O
for	O
the	O
Haswell-EX	B-Device
variants	O
has	O
been	O
fixed	O
with	O
a	O
new	O
CPU	O
stepping	B-General_Concept
level	I-General_Concept
.	O
</s>
<s>
Erratum	O
:	O
In	O
fact	O
,	O
among	O
Broadwell	B-General_Concept
i3	O
,	O
i5	O
and	O
i7	O
CPUs	O
,	O
only	O
four	O
of	O
them	O
support	O
TSX	B-Operating_System
instructions	O
(	O
i7	O
5650U	O
and	O
5600U	O
,	O
i5	O
5350U	O
and	O
5300U	O
)	O
;	O
it	O
is	O
not	O
even	O
precised	O
on	O
Intel	O
's	O
website	O
whether	O
i5	O
5200U	O
does	O
support	O
TSX	B-Operating_System
instructions	O
.	O
</s>
<s>
Broadwell	B-General_Concept
's	O
Intel	B-Algorithm
Quick	I-Algorithm
Sync	I-Algorithm
Video	I-Algorithm
hardware	O
video	O
decoder	O
adds	O
VP8	B-Algorithm
hardware	O
decoding	O
and	O
encoding	O
support	O
.	O
</s>
<s>
It	O
adds	O
VP9	B-Algorithm
and	O
HEVC	B-Algorithm
10-bit	O
decoding	O
support	O
through	O
the	O
integrated	O
GPU	B-Architecture
.	O
</s>
<s>
HEVC	B-Algorithm
decode	O
is	O
achieved	O
through	O
a	O
combination	O
of	O
the	O
fixed	O
function	O
video	O
decoder	O
and	O
shaders	O
.	O
</s>
<s>
Also	O
,	O
it	O
has	O
two	O
independent	O
bit	O
stream	O
decoder	O
(	O
BSD	O
)	O
rings	O
to	O
process	O
video	O
commands	O
on	O
GT3	O
GPUs	B-Architecture
;	O
this	O
allows	O
one	O
BSD	O
ring	O
to	O
process	O
decoding	O
and	O
the	O
other	O
BSD	O
ring	O
to	O
process	O
encoding	O
at	O
the	O
same	O
time	O
.	O
</s>
<s>
Broadwell	B-General_Concept
's	O
integrated	O
GPU	B-Architecture
supports	O
on	O
Windows	O
Direct3D11.2	O
,	O
OpenGL4.4	O
(	O
OpenGL	B-Application
4.5	O
on	O
Linux	B-Application
)	O
and	O
OpenCL2.0	O
.	O
</s>
<s>
However	O
,	O
it	O
is	O
marketed	O
as	O
Direct3D-12-ready	O
.	O
</s>
<s>
Broadwell-E	B-General_Concept
introduced	O
Intel	B-Device
Turbo	I-Device
Boost	I-Device
Max	I-Device
Technology	I-Device
3.0	O
.	O
</s>
<s>
ProcessorBranding	O
&	O
Model	O
Cores(Threads )	O
GPU	B-Architecture
Model	O
Programmable	O
TDP	B-General_Concept
CPU	O
Turbo	B-Device
Graphics	O
Clock	O
rate	O
L3Cache	O
ReleaseDate	O
Price(USD )	O
SDP	O
cTDP	O
down	O
Nominal	O
TDP	B-General_Concept
cTDP	O
up	O
1-core	O
Normal	O
Turbo	B-Device
Core	B-Device
M	I-Device
(	O
vPro	O
)	O
5Y71	O
2	O
(	O
4	O
)	O
HD	O
5300	O
(	O
GT2	O
)	O
3.5	O
W	O
3.5	O
W	O
/	O
600	O
MHz	O
4.5	O
W	O
/	O
1.2	O
GHz	O
6	O
W	O
/	O
1.4	O
GHz	O
2.9	O
GHz	O
300	O
MHz	O
900	O
MHz	O
4	O
MB	O
$281	O
5Y70	O
4.5	O
W	O
/	O
1.1	O
GHz	O
2.6	O
GHz	O
100	O
MHz	O
850	O
MHz	O
Core	B-Device
M	I-Device
5Y51	O
3.5	O
W	O
3.5	O
W	O
/	O
600	O
MHz	O
6	O
W	O
/	O
1.3	O
GHz	O
300	O
MHz	O
900	O
MHz	O
5Y31	O
4.5	O
W	O
/	O
900	O
MHz	O
6	O
W	O
/	O
1.1	O
GHz	O
2.4	O
GHz	O
850	O
MHz	O
5Y10c	O
4.5	O
W	O
/	O
800	O
MHz	O
6	O
W	O
/	O
1	O
GHz	O
2.0	O
GHz	O
800	O
MHz	O
5Y10a	O
rowspan	O
=	O
2	O
rowspan	O
=	O
2	O
100	O
MHz	O
5Y10	O
4	O
W	O
/	O
?	O
</s>
<s>
<li>	O
When	O
a	O
cooler	O
or	O
quieter	O
mode	O
of	O
operation	O
is	O
desired	O
,	O
this	O
mode	O
specifies	O
a	O
lower	O
TDP	B-General_Concept
and	O
lower	O
guaranteed	O
frequency	O
versus	O
the	O
nominal	O
mode	O
.	O
</s>
<s>
<li>	O
This	O
is	O
the	O
processor	O
's	O
rated	O
frequency	O
and	O
TDP	B-General_Concept
.	O
</s>
<s>
<li>	O
When	O
extra	O
cooling	O
is	O
available	O
,	O
this	O
mode	O
specifies	O
a	O
higher	O
TDP	B-General_Concept
and	O
higher	O
guaranteed	O
frequency	O
versus	O
the	O
nominal	O
mode	O
.	O
</s>
<s>
On	O
September	O
10	O
,	O
2013	O
,	O
Intel	O
showcased	O
the	O
Broadwell	B-General_Concept
14nm	B-Algorithm
processor	O
in	O
a	O
demonstration	O
at	O
IDF	O
.	O
</s>
<s>
Intel	O
CEO	O
Brian	O
Krzanich	O
claimed	O
that	O
the	O
chip	O
would	O
allow	O
systems	O
to	O
provide	O
a	O
30	O
percent	O
improvement	O
in	O
power	O
use	O
over	O
the	O
Haswell	B-Device
chips	O
released	O
in	O
mid-2013	O
.	O
</s>
<s>
Krzanich	O
also	O
claimed	O
that	O
the	O
chips	O
would	O
ship	O
by	O
the	O
end	O
of	O
2013	O
;	O
however	O
,	O
the	O
shipment	O
was	O
delayed	O
due	O
to	O
low	O
yields	O
from	O
Intel	O
's	O
14nm	B-Algorithm
process	O
.	O
</s>
<s>
On	O
October	O
21	O
,	O
2013	O
,	O
a	O
leaked	O
Intel	O
roadmap	O
indicated	O
a	O
late	O
2014	O
or	O
early	O
2015	O
release	O
of	O
the	O
K-series	O
Broadwell	B-General_Concept
on	O
the	O
LGA	B-Device
1150	I-Device
platform	O
,	O
in	O
parallel	O
with	O
the	O
previously	O
announced	O
Haswell	B-Device
refresh	O
.	O
</s>
<s>
This	O
would	O
coincide	O
with	O
the	O
release	O
of	O
Intel	O
's	O
9-series	O
chipset	O
,	O
which	O
would	O
be	O
required	O
for	O
Broadwell	B-General_Concept
processors	O
due	O
to	O
a	O
change	O
in	O
power	O
specifications	O
for	O
its	O
LGA	B-Device
1150	I-Device
socket	O
.	O
</s>
<s>
On	O
May	O
18	O
,	O
2014	O
,	O
Reuters	O
quoted	O
Intel	O
's	O
CEO	O
promising	O
that	O
Broadwell-based	O
PCs	O
would	O
be	O
on	O
shelves	O
for	O
the	O
holiday	O
season	O
,	O
but	O
probably	O
not	O
for	O
the	O
back-to-school	O
shopping	O
.	O
</s>
<s>
On	O
June	O
18	O
,	O
2014	O
,	O
Intel	O
told	O
CNET	O
that	O
while	O
some	O
specialized	O
Broadwell-based	O
products	O
would	O
be	O
out	O
in	O
Q4	O
2014	O
,	O
"	O
broader	O
availability	O
"	O
(	O
including	O
mobile	O
CPUs	O
)	O
would	O
only	O
happen	O
in	O
2015	O
.	O
</s>
<s>
,	O
Broadwell	B-General_Concept
CPUs	O
were	O
available	O
to	O
Intel	O
's	O
hardware	O
partners	O
in	O
sample	O
quantities	O
.	O
</s>
<s>
Intel	O
was	O
expected	O
to	O
release	O
17	O
Broadwell	B-General_Concept
U	O
series	O
family	O
microprocessors	O
at	O
CES	O
2015	O
.	O
</s>
<s>
Also	O
,	O
according	O
to	O
a	O
leak	O
posted	O
on	O
vr-zone	O
,	O
Broadwell-E	B-General_Concept
chips	O
would	O
be	O
available	O
in	O
2016	O
.	O
</s>
<s>
On	O
August	O
11	O
,	O
2014	O
,	O
Intel	O
unveiled	O
formally	O
its	O
14nm	B-Algorithm
manufacturing	O
process	O
,	O
and	O
indicated	O
that	O
mobile	O
variants	O
of	O
the	O
process	O
would	O
be	O
known	O
as	O
Core	B-Device
M	I-Device
products	O
.	O
</s>
<s>
Additionally	O
,	O
Core	B-Device
M	I-Device
products	O
were	O
announced	O
to	O
be	O
shipping	O
during	O
the	O
end	O
of	O
2014	O
,	O
with	O
desktop	B-Device
variants	O
shipping	O
shortly	O
after	O
.	O
</s>
<s>
With	O
Broadwell	B-General_Concept
,	O
Intel	O
focused	O
mainly	O
on	O
laptops	O
,	O
miniature	O
desktops	O
,	O
and	O
all-in-one	O
systems	O
.	O
</s>
<s>
This	O
left	O
traditional	O
desktop	B-Device
users	O
with	O
no	O
new	O
socketed	O
CPU	O
options	O
beyond	O
fourth-generation	O
Haswell	B-Device
,	O
which	O
first	O
arrived	O
in	O
2013	O
.	O
</s>
<s>
Even	O
though	O
the	O
company	O
finally	O
introduced	O
two	O
Broadwell	B-General_Concept
desktop	B-Device
chips	O
in	O
the	O
summer	O
of	O
2015	O
,	O
it	O
launched	O
its	O
high-end	O
sixth-generation	O
Skylake	B-Architecture
CPUs	O
very	O
shortly	O
thereafter	O
.	O
</s>
<s>
In	O
September	O
2015	O
,	O
Kirk	O
Skaugen	O
,	O
senior	O
vice	O
president	O
and	O
general	O
manager	O
of	O
Intel	O
's	O
Client	O
Computing	O
Group	O
,	O
admitted	O
that	O
skipping	O
desktops	O
with	O
Broadwell	B-General_Concept
was	O
a	O
poor	O
decision	O
.	O
</s>
<s>
Between	O
the	O
end-of-life	O
for	O
Windows	B-Application
XP	I-Application
in	O
2014	O
and	O
the	O
lack	O
of	O
new	O
desktop	B-Device
chips	O
,	O
Intel	O
had	O
not	O
given	O
desktop	B-Device
PC	I-Device
users	O
any	O
good	O
reasons	O
to	O
upgrade	O
in	O
2015	O
.	O
</s>
<s>
On	O
September	O
5	O
,	O
2014	O
,	O
Intel	O
launched	O
the	O
first	O
three	O
Broadwell-based	O
processors	O
that	O
belong	O
to	O
the	O
low-TDP	O
Core	B-Device
M	I-Device
family	O
,	O
Core	B-Device
M	I-Device
5Y10	O
,	O
Core	B-Device
M	I-Device
5Y10a	O
and	O
Core	B-Device
M	I-Device
5Y70	O
.	O
</s>
<s>
On	O
October	O
9	O
,	O
2014	O
,	O
the	O
first	O
laptop	O
with	O
Broadwell	B-General_Concept
Intel	B-Device
Core	I-Device
M	I-Device
5Y70	O
CPU	O
,	O
Lenovo	O
Yoga	O
3	O
Pro	O
,	O
was	O
launched	O
.	O
</s>
<s>
On	O
October	O
31	O
,	O
2014	O
,	O
four	O
more	O
Broadwell	B-General_Concept
based	O
CPUs	O
were	O
launched	O
belonging	O
to	O
Core	B-Device
M	I-Device
Family	O
,	O
increasing	O
the	O
number	O
of	O
launched	O
Broadwell	B-General_Concept
CPUs	O
to	O
seven	O
.	O
</s>
<s>
On	O
January	O
5	O
,	O
2015	O
,	O
17	O
additional	O
Broadwell	B-General_Concept
laptop	O
CPUs	O
were	O
launched	O
for	O
the	O
Celeron	B-Device
,	O
Pentium	B-General_Concept
and	O
Core	B-Device
i3	I-Device
,	O
i5	O
and	O
i7	O
series	O
.	O
</s>
<s>
On	O
March	O
31	O
,	O
2016	O
,	O
Intel	O
officially	O
launched	O
14nm	B-Algorithm
Broadwell-EP	O
Xeon	B-Device
E5	O
V4	O
CPUs	O
.	O
</s>
<s>
On	O
May	O
30	O
,	O
2016	O
,	O
Intel	O
officially	O
launched	O
14nm	B-Algorithm
Broadwell-E	B-General_Concept
Core	B-Device
i7	I-Device
69xx/68xx	O
processor	O
family	O
.	O
</s>
