<s>
Chrome	B-Device
20	I-Device
Series	I-Device
is	O
a	O
graphics	B-Architecture
accelerator	I-Architecture
by	O
S3	O
Graphics	O
,	O
the	O
successor	O
of	O
GammaChrome	B-Application
S18	O
.	O
</s>
<s>
The	O
Chrome	B-Device
20	I-Device
series	I-Device
was	O
introduced	O
on	O
March	O
11	O
,	O
2005	O
,	O
with	O
the	O
Chrome	B-Device
S25	I-Device
and	O
Chrome	B-Device
S27	I-Device
as	O
launch	O
products	O
.	O
</s>
<s>
Similar	O
to	O
the	O
GammaChrome	B-Application
S18	O
PCI	O
Express	O
which	O
preceded	O
it	O
,	O
S20	O
was	O
marketed	O
to	O
the	O
low	O
and	O
mid	O
range	O
of	O
the	O
graphics	O
card	O
market	O
,	O
with	O
the	O
Chromotion	O
3	O
Video	O
Engine	O
and	O
low	O
power	O
consumption	O
as	O
main	O
selling	O
points	O
.	O
</s>
<s>
This	O
enabled	O
a	O
significant	O
increase	O
in	O
clock	O
speeds	O
over	O
prior	O
S3	O
products	O
,	O
and	O
the	O
Chrome	B-Device
20	I-Device
series	I-Device
could	O
use	O
32-256MiB	O
GDDR1	O
or	O
GDDR3	O
memory	O
at	O
maximum	O
if	O
700MHz	O
,	O
or	O
64-512MiB	O
GDDR2	O
memory	O
at	O
a	O
maximum	O
of	O
500MHz	O
.	O
</s>
<s>
Similar	O
to	O
Radeon	B-Device
X1000	I-Device
series	I-Device
,	O
texturing	O
units	O
and	O
raster	O
operators	O
are	O
separated	O
from	O
pixel	O
shaders	O
.	O
</s>
<s>
Display	O
controller	O
now	O
integrates	O
a	O
single-link	O
TMDS	B-Protocol
transmitter	O
,	O
with	O
support	O
of	O
dual-link	O
using	O
external	O
transmitters	O
.	O
</s>
<s>
Other	O
new	O
features	O
supports	O
the	O
multi-GPU	O
technology	O
MultiChrome	O
and	O
AcceleRAM	O
.	O
</s>
<s>
TV	O
encoder	O
now	O
supports	O
18	O
DTV	O
ATSC	B-Device
formats	I-Device
:	O
</s>
<s>
It	O
was	O
first	O
used	O
in	O
the	O
Chrome	B-Device
S20	I-Device
series	I-Device
and	O
later	O
in	O
Chrome	O
400	O
series	O
graphics	B-Architecture
processors	I-Architecture
.	O
</s>
<s>
The	O
technology	O
is	O
comparable	O
to	O
NVidia	O
's	O
SLI	B-Device
and	O
ATi/AMD	O
'	O
s	O
Crossfire	O
multi	O
video	O
adapter	O
solution	O
.	O
</s>
<s>
Chrome	B-Device
S27	I-Device
is	O
currently	O
the	O
flagship	O
series	O
for	O
Chrome	O
S20	O
.	O
</s>
<s>
Chrome	B-Device
S25	I-Device
is	O
a	O
lower	O
speed	O
version	O
,	O
running	O
at	O
600MHz	O
core	O
and	O
400MHz	O
memory	O
.	O
</s>
<s>
Chrome	B-Device
S25	I-Device
is	O
advertised	O
to	O
support	O
AcceleRAM	O
.	O
</s>
<s>
Chrome	B-Device
20	I-Device
Series	I-Device
mobile	O
,	O
or	O
Chrome	O
XMS20	O
Series	O
,	O
is	O
the	O
mobile	O
variant	O
of	O
Chrome	B-Device
S20	I-Device
series	I-Device
,	O
which	O
has	O
integrated	O
64	O
or	O
128MiB	O
64bit	O
GDDR3	O
SDRAM	O
as	O
multi-package	O
module	O
,	O
integrated	O
2	O
channel	O
LVDS	O
transmitter	O
.	O
</s>
<s>
As	O
of	O
May	O
2006	O
,	O
most	O
of	O
the	O
Chrome	B-Device
S27s	I-Device
available	O
in	O
retail	O
are	O
made	O
by	O
S3	O
Graphics	O
itself	O
.	O
</s>
<s>
The	O
Chrome	B-Device
S27	I-Device
is	O
sold	O
at	O
the	O
company	O
's	O
own	O
GStore	O
where	O
it	O
is	O
sold	O
alongside	O
a	O
128MiB	O
version	O
and	O
a	O
Gammachrome	B-Application
S18	O
Pro	O
and	O
certain	O
online	O
retailers	O
like	O
Newegg	O
.	O
</s>
<s>
Although	O
S3	O
graphics	O
does	O
not	O
sell	O
Chrome	B-Device
S25	I-Device
video	O
cards	O
,	O
they	O
can	O
be	O
found	O
under	O
the	O
Xiai	O
brand	O
in	O
Japan	O
and	O
the	O
Axper	O
brand	O
in	O
China	O
.	O
</s>
<s>
Both	O
these	O
cards	O
have	O
their	O
GPU	B-Architecture
clockspeed	O
and	O
memory	O
clocked	O
100	O
mHz	O
higher	O
than	O
the	O
default	O
specification	O
giving	O
a	O
700MHz	O
memory	O
and	O
500MHz	O
GPU	B-Architecture
clock	O
speeds	O
.	O
</s>
<s>
The	O
Chrome	B-Device
S27	I-Device
in	O
May	O
2006	O
,	O
held	O
the	O
record	O
for	O
the	O
GPU	B-Architecture
clockspeed	O
of	O
700MHz	O
.	O
</s>
