Covert Ops in Taiwan - Intel Tejas & Socket 775 Unveiledby Anand Lal Shimpi on January 9, 2004 10:49 AM EST
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While the majority of the AnandTech staff was hard at work in Las Vegas covering CES, a quiet staff member was touring the streets of Taipei.
During his visit to Taipei he came across some information shared by some very good contacts about Intel's Prescott successor - Tejas. Very few people caught on to the fact that we actually talked about Tejas on AnandTech years ago as we heard about the codename before Prescott and even before Northwood, hidden in an Intel presentation that hadn't properly been cleaned up. Originally Tejas was listed as the first Intel CPU to have a 1.2GHz FSB, but now we know a bit more about the CPU.
Apparently a total of 10 Tejas samples have been shipped out to various friends of Intel, all running at 2.8GHz. What's also interesting to note is that our sources have informed us that at 2.8GHz Tejas uses around 150W of power - about 50% more than Prescott at the same clock speed.
Given that Tejas is still a 90nm part, it would be unlikely that the additional power consumption would be due to a larger cache as that would make the die huge and isn't Intel's style to increase cache size without shrinking the die further. If the power figures we've been given are indeed correct, one possible explanation would be that Tejas is indeed some variation of a multicore CPU. While it is unlikely that Tejas includes two discrete Prescott cores on die, there is a chance that the two cores (if they exist) could be sharing data caches and maybe other units. A multicore Tejas would explain the jump in power consumption, and it is in line with Intel's strategy although it does seem sooner than expected.
The 10 Tejas samples are all LGA-775 CPUs and luckily our contact was able to gather some pictures of the CPU and the interface so you all can get a glimpse of what is soon to come. We had to blur out some parts of the pictures to protect the identity of our sources, but you'll still be able to see what's important.
In the shot above you'll see the Tejas as it appears immediately after you remove the heatsink. There is a lever at the top of the picture that you can barely see that will allow you to remove the CPU. Unlatching the lever will result in the picture below. The metal covering can now be pulled up thus exposing the CPU, which can easily be removed:
The notches on either side of the CPU at the top of the picture prevent it from being inserted improperly and also help line up the contact points on the bottom of the CPU.
Before we look at the bottom of the CPU itself, let's look at what's underneath the CPU - a bed of pins (note that we purposefully blocked out some of what was in the middle of the pins):
Now to flip the chip over we've got a nice look at the flat surface of the pinless CPU - welcome to LGA-775. This is the same CPU interface that you'll find on Prescott CPUs after April, but what you're looking at here is Tejas as far as we know.
As an added kick here's a DDR-II module out of the Tejas system:
There you have it; no benchmarks, not a lot of information, but some interesting pictures and hopefully something to think about for what happens after Prescott...
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HammerFan - Friday, January 9, 2004 - linkAs stated before, where is the 150W going? So long as it doesn't get lost as heat i don't really care, but if it does, where will it go?
SlingXShot - Friday, January 9, 2004 - linkWho cares about the pins, the average comp geek person would not even touch the CPU for at least a year. If you trying to change the heatsink, no need to take it out. The only thing about pins is that at high currents, the pins will melt. Yeah melt. Intel has like a year or more to come up better specs for Tejas.
ViRGE - Friday, January 9, 2004 - linkOk, so if the SocketT has the pins instead, what exactly do they look like(it's hard to tell by the picture)? Are we talking pins like what modern-day Athlons/P4's have, which tend to bend and what-not, or are they using some sort of new pin design where this is all taken care of?
Pandaren - Friday, January 9, 2004 - linkanyone else think osama bin cramitpal should be banned? ;) Spin all the outrageous statements you want, but in the end, nobody will take you any more seriously than the kkk or international socialist worker agitators.
There are no solid performance numbers for either Prescott or Tejas, and it would be thus foolish to draw any conclusions.
dvinnen - Friday, January 9, 2004 - linki don't suppose you can get them to pop the top off for a little lookse at the core.
ZapZilla - Friday, January 9, 2004 - linkI'm curious about what will be used to cool 150 watts of heat dissapation.
araczynski - Friday, January 9, 2004 - linknice, thanks for the peek. i like the mounting brackets, although somehow i'm guessing they'll eventually "save money" and replace it with some worthless cheap plastic version.