<s>
Intel	B-Device
Turbo	I-Device
Boost	I-Device
is	O
Intel	O
's	O
trade	O
name	O
for	O
central	B-General_Concept
processing	I-General_Concept
units	I-General_Concept
(	O
CPUs	O
)	O
dynamic	B-General_Concept
frequency	I-General_Concept
scaling	I-General_Concept
feature	O
that	O
automatically	O
raises	O
certain	O
versions	O
of	O
its	O
operating	O
frequency	O
when	O
demanding	O
tasks	B-General_Concept
are	O
running	O
,	O
thus	O
enabling	O
a	O
higher	O
resulting	O
performance	O
.	O
</s>
<s>
The	O
frequency	O
is	O
accelerated	O
when	O
the	O
operating	B-General_Concept
system	I-General_Concept
requests	O
the	O
highest	O
performance	O
state	O
of	O
the	O
processor	O
.	O
</s>
<s>
Processor	O
performance	O
states	O
are	O
defined	O
by	O
the	O
Advanced	B-Device
Configuration	I-Device
and	I-Device
Power	I-Device
Interface	I-Device
(	O
ACPI	B-Device
)	O
specification	O
,	O
an	O
open	O
standard	O
supported	O
by	O
all	O
major	O
operating	B-General_Concept
systems	I-General_Concept
;	O
no	O
additional	O
software	O
or	O
drivers	O
are	O
required	O
to	O
support	O
the	O
technology	O
.	O
</s>
<s>
The	O
design	O
concept	O
behind	O
Turbo	B-Device
Boost	I-Device
is	O
commonly	O
referred	O
to	O
as	O
"	O
dynamic	O
overclocking	B-Application
"	O
.	O
</s>
<s>
The	O
increased	O
clock	O
rate	O
is	O
limited	O
by	O
the	O
processor	O
's	O
power	O
,	O
current	O
,	O
and	O
thermal	B-General_Concept
limits	O
,	O
the	O
number	O
of	O
cores	O
currently	O
in	O
use	O
,	O
and	O
the	O
maximum	O
frequency	O
of	O
the	O
active	O
cores	O
.	O
</s>
<s>
Turbo-Boost-enabled	O
processors	O
are	O
the	O
Core	B-Device
i3	I-Device
,	O
Core	B-Device
i5	I-Device
,	O
Core	B-Device
i7	I-Device
,	O
Core	B-Device
i9	I-Device
and	O
Xeon	B-Device
series	O
manufactured	O
since	O
2008	O
,	O
more	O
particularly	O
,	O
those	O
based	O
on	O
the	O
Nehalem	B-Device
,	O
and	O
later	O
microarchitectures	B-General_Concept
.	O
</s>
<s>
Frequency	O
increases	O
occur	O
in	O
increments	O
of	O
133MHz	O
for	O
Nehalem	B-Device
processors	O
and	O
100MHz	O
for	O
Sandy	O
Bridge	O
,	O
Ivy	O
Bridge	O
,	O
Haswell	O
and	O
Skylake	O
processors	O
.	O
</s>
<s>
When	O
any	O
electrical	O
or	O
thermal	B-General_Concept
limits	O
are	O
exceeded	O
,	O
the	O
operating	O
frequency	O
automatically	O
decreases	O
in	O
decrements	O
of	O
133	O
or	O
100MHz	O
until	O
the	O
processor	O
is	O
again	O
operating	O
within	O
its	O
design	O
limits	O
.	O
</s>
<s>
Turbo	B-Device
Boost	I-Device
2.0	O
was	O
introduced	O
in	O
2011	O
with	O
the	O
Sandy	O
Bridge	O
microarchitecture	B-General_Concept
,	O
while	O
Intel	B-Device
Turbo	I-Device
Boost	I-Device
Max	O
3.0	O
was	O
introduced	O
in	O
2016	O
with	O
the	O
Broadwell-E	O
microarchitecture	B-General_Concept
.	O
</s>
<s>
A	O
feature	O
of	O
Turbo	B-Device
Boost	I-Device
2.0	O
is	O
that	O
it	O
introduced	O
time	O
windows	O
with	O
different	O
levels	O
of	O
power	O
limits	O
,	O
so	O
that	O
a	O
processor	O
can	O
boost	O
to	O
a	O
higher	O
frequency	O
for	O
a	O
few	O
seconds	O
.	O
</s>
<s>
Some	O
motherboard	O
vendors	O
intentionally	O
use	O
values	O
higher	O
than	O
Intel	O
's	O
default	O
for	O
performance	O
,	O
causing	O
the	O
processor	O
to	O
exceed	O
its	O
thermal	B-General_Concept
design	I-General_Concept
power	I-General_Concept
(	O
TDP	O
)	O
.	O
</s>
<s>
10th	O
Gen	O
Desktop	O
Core	B-Device
i7	I-Device
)	O
support	O
Intel	B-Device
Turbo	I-Device
Boost	I-Device
Max	O
3.0	O
Technology	O
.	O
</s>
<s>
Newer	O
version	O
Windows	B-Operating_System
10	I-Operating_System
and	O
Linux	B-Operating_System
kernel	I-Operating_System
support	O
Intel	B-Device
Turbo	I-Device
Boost	I-Device
Max	O
3.0	O
Technology	O
.	O
</s>
<s>
An	O
Intel	O
November	O
2008	O
white	O
paper	O
discusses	O
"	O
Turbo	B-Device
Boost	I-Device
"	O
technology	O
as	O
a	O
new	O
feature	O
incorporated	O
into	O
Nehalem-based	O
processors	O
released	O
in	O
the	O
same	O
month	O
.	O
</s>
<s>
A	O
similar	O
feature	O
called	O
Intel	B-Device
Dynamic	I-Device
Acceleration	I-Device
(	O
IDA	O
)	O
was	O
available	O
on	O
many	O
Core	O
2	O
based	O
Centrino	O
platforms	O
.	O
</s>
<s>
This	O
feature	O
did	O
not	O
receive	O
the	O
marketing	O
treatment	O
given	O
to	O
Turbo	B-Device
Boost	I-Device
.	O
</s>
<s>
Intel	B-Device
Dynamic	I-Device
Acceleration	I-Device
dynamically	O
changed	O
the	O
core	O
frequency	O
as	O
a	O
function	O
of	O
the	O
number	O
of	O
active	O
cores	O
.	O
</s>
<s>
When	O
the	O
operating	B-General_Concept
system	I-General_Concept
instructed	O
one	O
of	O
the	O
active	O
cores	O
to	O
enter	O
C3	O
sleep	O
state	O
using	O
the	O
Advanced	B-Device
Configuration	I-Device
and	I-Device
Power	I-Device
Interface	I-Device
(	O
ACPI	B-Device
)	O
,	O
the	O
other	O
active	O
core(s )	O
dynamically	O
accelerated	O
to	O
a	O
higher	O
frequency	O
.	O
</s>
<s>
Intel	B-Device
Turbo	I-Device
Boost	I-Device
Technology	O
Monitor	O
,	O
as	O
a	O
GUI	B-Application
utility	O
,	O
could	O
be	O
used	O
to	O
monitor	O
Turbo	B-Device
Boost	I-Device
;	O
this	O
utility	O
has	O
reached	O
the	O
end-of-life	O
state	O
by	O
no	O
longer	O
supporting	O
Intel	O
processors	O
released	O
after	O
Q2	O
2013	O
,	O
and	O
is	O
no	O
longer	O
available	O
.	O
</s>
