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Intel Pentium III

This page will show all objects that classify as Intel Pentium III. The Pentium III has been made by Intel, a company that has been around since 1968 and is today's biggest processor company. They started with the i4004, a microprocessor for calculators and such, but got popular with the 8086 and 8088. IBM used that processor in it's IBM-PC and clones of the IBM PC obviously used the same processor as well. Thanks to this evolution Intel could find it's way on the market and develop successors of the 8086 all up to todays Core i7.

Intel Pentium III 450 'SL37C'

In reality the first Pentium III CPU's (starting from 450MHz) were just Pentium II's with SSE instructions added and an improvement of the L1 cache controller. In my opinion this would still be a Pentium II and starting from the Pentium III 'Coppermine' a real Pentium III. The Pentium III 'Katmai' 450 is slightly faster than the Pentium II 450 in the benchmarks but that difference isn't noticeable during normal work or gaming. Especially back then as SSE optimized applications were scarce. > Read more

Intel Pentium III 450 'SL35D'

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Intel Pentium III 500 'SL35E'

The same as this Pentium III 450 but 50MHz faster. > Read more

Intel Pentium III 533EB 'SL3N6'

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Intel Pentium III 550 'SL3F7'

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Intel Pentium III 600EB 'SL3H7'

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Intel Pentium III 600E 'SL43E'

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Intel Pentium III 667 'SL3XW'

A normal Intel Pentium III processor. It features a 133MHz FSB and because of that it will sometimes be faster then a 700MHz part with 100MHz FSB. > Read more

Intel Pentium III 667 'SL3KW'

Just like this Pentium III 667 but then in slot 1 form. > Read more

Intel Pentium III 733 'SL4CG'

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Intel Pentium III 800EB 'SL3Y2'

Due to the 133MHz FSB this CPU was quite good. The 'EB' mark indicates we are dealing with a 'Coppermine' core. Actually Intel used the 'E' mark for denoting the 256-bit wide cache bus but since all 'Coppermine' cores featured that one can simple say 'E' is the same as 'Coppermine'. The 'B' stands for 133MHz FSB.
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Intel Pentium III 850 'SL4CC'

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Intel Pentium III 866 'SL4CB'

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Intel Pentium III 900 'SL4SD'

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Intel Pentium III 933 'SL4ME'

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Intel Pentium III 1000 'SL52R'

Right at the 1GHz barrier! The Intel Pentium III 1000MHz with 133MHz FSB. This one should be interesting against an AMD Athlon 1000MHz . The Intel part will probably win in situations where SSE is utilized because AMD's 'Thunderbird' didn't have SSE implementations. AMD's 'Palomino' core (Athlon 4, Athlon MP, Athlon XP) were the first AMD CPU's to support SSE.

The Pentium III with 'Coppermine' core was nearing it's limits around 1000MHz. The first 1133MHz CPU's Intel released were not stable enough to compile a Linux kernel. Later on Intel released the 'Tualatin' which was more efficient and based upon 130nm production technology. This allowed Intel to sell Pentium III's up to 1400MHz. Overclockers even did their best to get more, in which they succeeded. Intel could probably do more then 1400MHz as well but releasing an 1500MHz CPU would destroy the sales of the Intel Pentium 4 which was new at the time.

The announcement of the Intel Pentium III was two days after AMD announced their 1GHz Athlon. The Pentium III should've been faster but wasn't available at the time. Intel had problems and 'shortage' was a known word. If I remember correctly AMD's production facilities were 12 times as successful as Intel's production facilities. Meaning: Intel had to throw away a lot more defective chips. Though AMD's 1GHz chip wasn't widely available the first six months after the release. AMD only shipped some CPU's to several OEM's. > Read more

Intel Pentium III 1000 'SL4C8'

Just like this Pentium III 1000 but a bit older. It has a cC0-core instead of cD0 and the sSpec number is on a bigger black label. > Read more