The Pentium 4: A Lot Of Noise Over Very Little
In November 2000, Intel announced its new processor, the Pentium 4. With a higher clock speed (at least 1,400 MHz), this processor had a major drawback in that its performance wasn’t as good as competing models on a per-clock basis. AMD’s Athlon (and even the Pentium III) performed better at the same frequency. Complicating matters, Intel tried to shift to Rambus’ RDRAM memory (the only memory at the time capable of meeting the requirements of the CPU’s FSB), but failed. Expensive and hot, the Pentium 4 nonetheless managed, with many modifications, to more or less stay in the competition for a few years (by adding L3 cache and technologies like Hyper-Threading).
|Architecture||32 bits||32 bits||32 bits|
|Data bus||64 bits||64 bits||64 bits|
|Address bus||32 bits||32 bits||32 bits|
|Maximum memory||4 GB||4 GB||4 GB|
|L1 cache||8 KB + 12 Kµops||8 KB + 12 Kµops||16 KB + 12 Kµops|
|L2 cache||256 KB||512 KB||1,024 KB|
|Clock frequency||1.3-2 GHz||1.8–3.4 GHz||2.4–3.8 GHz|
|FSB||400 MHz||400, 533, 800 MHz||533, 800 MHz|
|SIMD||MMX, SSE, SSE2||MMX, SSE, SSE2||MMX, SSE, SSE2, SSE3|
|SMT/SMP||no||Hyper-Threading (certain versions)||Hyper-Threading|
|Fabrication process||180 nm||130 nm||90 nm|
|Number of transistors||42 million||55 million||125 million|
|Power consumption||66-100 W||54-137 W||94-151 W|
|Voltage||1.7 V||1.55 V||1.25–1.5 V|
|Die surface area||217 mm²||146 mm²||112 mm²|
|Connector||Socket 423/Socket 478||Socket 478||Socket 478/LGA775|
Mobile versions (with a variable multiplier), Celeron versions (with a smaller L2 cache), and Xeon versions (with an L3 cache) of the Pentium 4 were sold. Hyper-Threading and the L3 cache are two technologies that first appeared on servers and were then adapted to standard processors (though L3 cache was available only on the expensive EE models).
We should also mention the FSB, which was clocked at a fourth of the nominal clock frequency, using what is called Quad Data Rate (QDR) technology—a 400 MHz bus is actually 100 MHz QDR, 533 MHz is 133 MHz QDR, etc. Finally, 64-bit versions of the Pentium 4 appeared in 2005, which we’ll talk about later on.
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great article with only a few slight errors (like saying the core2duo has 1-4 cores... i don't think there's a 1 cored version lol)Reply
Looking forward to the AMD article.
To correct you. Core 2 Duo has ONLY 2 cores, not more, not less.Reply
Core 2 Quad, has 4 cores and Core Solo has 1 core.
Yes there is a singal core,
Ok it is not under the same branding but it is part of the same microarchitecture
I might be wrong, but i resemble that the Pentium 166 (32bits adress bus and all) had support for 4Gb of memory. I remember IBM sold it's top line (at that time) with 64Mb support (even with SDR PC100/66 support). Correct me if i'm wrong please.Reply
The core 2 does supply 1-4 cores - 2 cores per die, where one might be disabled, and one or two dies on a socket. It's no less right to call a core2duo a cpu with 1-4 cores, than it is to put the pentium d on the same page as a single core prescot, as it's the very same principle.Reply
Arkzgreat article with only a few slight errors (like saying the core2duo has 1-4 cores http://en.wikipedia.org/wiki/Coree ... i don't think there's a 1 cored version lol)Looking forward to the AMD article.Reply
Thanks for the heads-up! I tweaked that passage to better represent the Core 2 architecture's available configurations!
vosesterOk it is not under the same branding but it is part of the same microarchitecture Exactly. The article says:Reply
ArticleThere are many versions of the architecture, resulting in configurations with a different number of cores
There is no mention of the branding, so there is no actual error there, just misinterpretation.
Arkzgreat article with only a few slight errors (like saying the core2duo has 1-4 cores... i don't think there's a 1 cored version lol)Looking forward to the AMD article.Reply
Yes, it isn't called a "Core 2 Duo," but it uses the Core architecture and only has a single core enabled.
But I will have to say, there aren't any 3 core models...
Good to hear you're not only doing an AMD article, but an ATI one as well (in response to the Nvidia article you did earlier, assuming). A sign of class from the new Tom's is a welcome one.Reply
I wish they would get rid of those stupid SNAP Linkbubless and Inteltex misguiding links. Who ever invented those stupid annoying double lined text popups should have been burned at the stakeReply