<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META content="text/html; charset=koi8-r" http-equiv=Content-Type> <META name=GENERATOR content="MSHTML 8.00.6001.18999"> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT size=2 face=Arial>The <FONT color=#ff0000><B>PR</B> (<B>P</B>erformance <B>R</B>ating) system was developed by </FONT><A class=mw-redirect title=AMD href="http://en.wikipedia.org/wiki/AMD"><FONT color=#ff0000>AMD</FONT></A><FONT color=#ff0000> </FONT>in the mid-1990s as a method of comparing their <A title=X86 href="http://en.wikipedia.org/wiki/X86">x86</A> processors to those of rival <A class=mw-redirect title=Intel href="http://en.wikipedia.org/wiki/Intel">Intel</A>.</DIV></FONT> <DIV><FONT size=2 face=Arial> <P>The<FONT color=#ff0000> first use of the PR system was in 1996<SUP style="WHITE-SPACE: nowrap" class=Template-Fact title="This claim needs references to reliable sources from June 2010">[<I><A title="Wikipedia:Citation needed" href="http://en.wikipedia.org/wiki/Wikipedia:Citation_needed">citation needed</A></I>]</SUP>, when AMD used it to assert that their </FONT><A class=mw-redirect title="AMD 5x86" href="http://en.wikipedia.org/wiki/AMD_5x86"><FONT color=#ff0000>AMD 5x86</FONT></A> processor was as fast as a Pentium running at 75 <A class=mw-redirect title=Megahertz href="http://en.wikipedia.org/wiki/Megahertz">MHz</A>. The designation "P75" was added to the chip to denote this.</P> <P>The letters PR stood for "Performance Rating", but many people mistakenly thought it stood for "Pentium Rating", as the PR was often used to measure performance against Intel's <A class=mw-redirect title="Intel P5" href="http://en.wikipedia.org/wiki/Intel_P5">Pentium</A> processor.</P> <P><FONT color=#ff0000>Later that year, </FONT><A title=Cyrix href="http://en.wikipedia.org/wiki/Cyrix"><FONT color=#ff0000>Cyrix</FONT></A><FONT color=#ff0000> also adopted the PR system for its </FONT><A class=mw-redirect title=6x86 href="http://en.wikipedia.org/wiki/6x86"><FONT color=#ff0000>6x86</FONT></A><FONT color=#ff0000> and </FONT><A class=mw-redirect title=6x86MX href="http://en.wikipedia.org/wiki/6x86MX"><FONT color=#ff0000>6x86MX</FONT></A><FONT color=#ff0000> line of processors.</FONT> These processors were capable of handling business applications under <A title=Microsoft href="http://en.wikipedia.org/wiki/Microsoft">Microsoft</A> <A title="Microsoft Windows" href="http://en.wikipedia.org/wiki/Microsoft_Windows">Windows</A> faster than Pentiums of the same clock speed, so Cyrix PR-rated the chips one or two Pentium speed grades higher than clock speed. AMD did likewise with some versions of their <A title="AMD K5" href="http://en.wikipedia.org/wiki/AMD_K5">K5</A> processor, but abandoned the system when it introduced the <A title="AMD K6" href="http://en.wikipedia.org/wiki/AMD_K6">K6</A>.</P> <P>---</P> <P>Itariu, kad procai jau anksciau tiek AMD (tarkim 1996), tiek Cyrix (tarkim 1995) buvo isleisti.. <BR>o paskui tiesiog nauja partija "pervadinimo/perzymejo" (abu 1996m., wiki sako AMD pirmas paxalturino).. </P> <P>Tuo labiau AMD pakepe 133MHz (is esmes 486-uko..) -> P75 (atitinkantis 486-ukus, ar tuos 5x86), <BR>o Cyrix'as jau reitingavo 6x86 (atitinkantis "beveik Pentium".. pavadines jau 6x86.. AMD'ske su K6 taip jau nedare berods..)</P> <P>The <B>Cyrix 6x86</B> (codename M1) <..> was originally released in 1996 ().<BR><..> It has six performance levels: PR 90+, PR 120+, PR 133+, PR 150+, PR 166+ and PR 200+. <BR></P> <P>***<BR><BR><FONT color=#0000ff>PS. bet cia jau kapstomes praeitoj eroj.. tai jei ka, as fygas megstu, galiu ir sugrauzti pora :D..</FONT></P> <P> </P></FONT></DIV> <BLOCKQUOTE style="BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px"> <DIV><FONT size=2 face=Arial>nifiga sakau :D</FONT></DIV> <DIV><FONT size=2 face=Arial><BR> <FONT color=#ff0000>1995 .</FONT> . Pentium- ݣ , Cx5x86, 486 100 120 , <FONT color=#ff0000>Pentium 75 .</FONT></FONT></DIV> <DIV><FONT size=2 face=Arial></FONT> </DIV> <DIV><FONT size=2 face=Arial><FONT color=#ff0000>1995 .</FONT> Cyrix, 6x86<..><BR></FONT></DIV> <DIV><FONT size=2 face=Arial><SPAN id=PR-.D1.80.D0.B5.D0.B9.D1.82.D0.B8.D0.BD.D0.B3 class=mw-headline><FONT size=4 face="Times New Roman"><STRONG><BR>PR-</STRONG></FONT></SPAN> <P> 686 , Pentium, ޣ , Cyrix (<STRONG> AMD</STRONG>) , Pentium. , 686 133 Pentium-166 , P166+. Intel, «P166» «P200» , Cyrix R .</P> <P>, , , Cyrix-, , , , . , , : ֣ , , .</P> <P><FONT color=#ff0000 size=3><STRONG>AMD PR- ϣ <FONT size=5> 5</FONT></STRONG></FONT>, , .</P> <P><FONT size=5>K5</FONT></P> <P>The <B>K5</B> was <A title="Advanced Micro Devices" href="http://en.wikipedia.org/wiki/Advanced_Micro_Devices">AMD's</A> first <A class=mw-redirect title="X86 architecture" href="http://en.wikipedia.org/wiki/X86_architecture">x86</A> processor to be developed entirely in-house. <STRONG><FONT color=#ff0000>Introduced in March 1996</FONT></STRONG>, its primary competition was <A title="Intel Corporation" href="http://en.wikipedia.org/wiki/Intel_Corporation">Intel's</A> <A class=mw-redirect title="Intel P5" href="http://en.wikipedia.org/wiki/Intel_P5">Pentium</A> <A title=Microprocessor href="http://en.wikipedia.org/wiki/Microprocessor">microprocessor</A><BR></P></DIV></FONT></BLOCKQUOTE></BODY></HTML>