<s>
Gulftown	B-Device
or	O
Westmere-EP	O
is	O
the	O
codename	O
of	O
an	O
up	O
to	O
six-core	O
hyperthreaded	B-Operating_System
Intel	O
processor	O
able	O
to	O
run	O
up	O
to	O
12	O
threads	O
in	O
parallel	O
.	O
</s>
<s>
It	O
is	O
based	O
on	O
Westmere	B-Device
microarchitecture	I-Device
,	O
the	O
32	B-Algorithm
nm	I-Algorithm
shrink	O
of	O
Nehalem	B-Device
.	O
</s>
<s>
Originally	O
rumored	O
to	O
be	O
called	O
the	O
Intel	O
Core	O
i9	O
,	O
it	O
is	O
sold	O
as	O
an	O
Intel	B-Device
Core	I-Device
i7	I-Device
.	O
</s>
<s>
The	O
first	O
release	O
was	O
the	O
Core	B-Device
i7	I-Device
980X	O
in	O
the	O
first	O
quarter	O
of	O
2010	O
,	O
along	O
with	O
its	O
server	O
counterpart	O
,	O
the	O
Xeon	O
3600	O
and	O
the	O
dual-socket	O
Xeon	B-Device
5600	I-Device
(	O
Westmere-EP	O
)	O
series	O
using	O
identical	O
chips	O
.	O
</s>
<s>
First	O
figures	O
indicate	O
that	O
at	O
equivalent	O
clock	O
rates	O
,	O
depending	O
on	O
the	O
software	O
,	O
it	O
has	O
up	O
to	O
50%	O
higher	O
performance	O
than	O
the	O
identically	O
clocked	O
quad-core	O
Bloomfield	B-Device
Core	O
i7-975	O
.	O
</s>
<s>
Despite	O
having	O
50%	O
more	O
transistors	O
,	O
the	O
CPU	O
strongly	O
benefits	O
from	O
the	O
32-nm	O
process	O
,	O
drawing	O
the	O
same	O
or	O
even	O
less	O
power	O
(	O
depending	O
on	O
the	O
operating	O
system	O
)	O
than	O
its	O
Bloomfield	B-Device
predecessors	O
with	O
merely	O
four	O
cores	O
.	O
</s>
<s>
The	O
thermal	B-General_Concept
design	I-General_Concept
power	I-General_Concept
(	O
TDP	O
)	O
of	O
all	O
planned	O
models	O
is	O
stated	O
to	O
be	O
130	O
watts	O
.	O
</s>
<s>
Westmere-EP	O
is	O
the	O
first	O
six-core	O
dual-socket	O
processor	O
from	O
Intel	O
,	O
following	O
the	O
quad-core	O
Bloomfield	B-Device
and	O
Gainestown	O
(	O
also	O
known	O
as	O
Nehalem-EP	O
)	O
processors	O
using	O
the	O
same	O
LGA	B-Device
1366	I-Device
package	O
,	O
while	O
the	O
earlier	O
Dunnington	O
six-core	O
processor	O
is	O
a	O
Socket	B-Device
604	I-Device
based	O
multi-socket	O
processor	O
.	O
</s>
<s>
The	O
CPUID	B-Architecture
extended	O
model	O
number	O
is	O
44	O
(	O
2Ch	O
)	O
and	O
two	O
product	O
codes	O
are	O
used	O
,	O
80613	O
for	O
the	O
UP	O
desktop/server	O
models	O
and	O
80614	O
for	O
the	O
Xeon	O
5600-series	O
DP	O
server	O
models	O
.	O
</s>
<s>
Since	O
2014	O
,	O
Xeon	O
3600	O
and	O
5600	O
series	O
Westmere-EP	O
processors	O
became	O
somewhat	O
sought-after	O
as	O
an	O
upgrade	O
route	O
for	O
older	O
X58	O
motherboards	O
.	O
</s>
