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View Full Version : Intel’s Next-Generation “Nehalem” Processors to Feature Graphics Core, Memory Control



zippyjuan
03-30-2007, 01:22 AM
http://www.xbitlabs.com/news/cpu/display/20070328135645.html

Intel’s Next-Generation “Nehalem” Processors to Feature Graphics Core, Memory Controller.
Intel Discloses Details about Nehalem, Westmere Chips

Category: CPU

by Anton Shilov

[ 03/28/2007 | 01:57 PM ]


Intel Corp., the biggest maker of x86 microprocessors in the world, on Wednesday unveiled previously unknown details about its forthcoming microprocessors which are expected to be produced in 2008. The new chips code-named Nehalem will not only have new micro-architecture, but will also use new platform architecture and feature built-in memory controllers as well as graphics cores.


The first mentions about Nehalem processors and micro-architecture were made in 2002 and at that time it was believed that the chip would succeed the NetBurst micro-architecture sometime in 2006 – 2007 timeframe. However, at some point the company decided to spend more time with the drawing board and development of the next-generation micro-architecture took quite a long time, which made the world’s largest chipmaker to come up with the Core 2 chips, which were still much faster compared to those based on the NetBurst micro-architecture. But next year Intel’s Nehalem is set to shine, as currently it seems that Nehalem is more than just a new micro-architecture, it is a fully-new concept for both microprocessors and platforms.

Intel claims that Nehalem as well as Westmere central processing units will use a new platform architecture and while the company does not directly state it, the new platform will hardly use processor system busses, but rather will feature point-to-point serial bus (which is currently referred to as Common Serial Bus or CSI) similar to Hyper-Transport or PCI Express.

The Nehalem chips themselves, as well as their derivatives, will feature so-called dynamically scalable architecture, which means that Intel will be able to tailor its processor designs according to needs of various market segments. It remains to be seen whether the company plans to create multi-chip modules, thanks to high-speed serial point-to-point bus, or would rather tailor its monolithic chips easily enough to offer a very broad lineup of solutions.

Intel says that Nehalem processors will have from one to eight (or even more) cores, each of which will support simultaneous multi-threading capability akin to the well-known Hyper-Threading. The company does not go into details and reveal whether all Nehalem central processing units will have monolithic of multi-chip designs, but says that the processors will have shared caches, which points to at lease a number of monolithic implementations in the lineup.

Another important innovation of Nehalem architecture is on-chip memory controller, something available now on microprocessors by Advanced Micro Devices.

But, perhaps, the most important feature of Nehalem will be “high performance integrated graphics” core on certain Nehalem designs, which, in conjunction with CSI, on-chip memory controller and some other innovations of Nehalem, will allow the company to create very small mobile and pretty powerful, yet cost-efficient, microprocessors for mainstream markets.

Intel plans to start production of various Nehalem processors using high-k 45nm process technology in 2008, whereas in 2009 the company intends to manufacture Nehalem-derivative code-named Westmere using 32nm fabrication process.

Airencracken
03-30-2007, 10:52 AM
Sounds like some of the things AMD is already doing. Honestly I'm very curious to see what will happen when Barcelona comes out. The 3-4 year old architecture that AMD is using currently is still competitive. So hopefully Barcelona will continue to keep Intel on it's toes.

DarkFury
03-30-2007, 12:20 PM
Sounds like some of the things AMD is already doing. Honestly I'm very curious to see what will happen when Barcelona comes out. The 3-4 year old architecture that AMD is using currently is still competitive. So hopefully Barcelona will continue to keep Intel on it's toes.
Have you read the latest Maximum PC? (April 2007)

If not, go get it... Pretty much in a nutshell, AMD is getting mercilessly spanked, however since they do have inroads with many "smaller market x86 chipmakers" they still have a firm foothold in the market in general.

Seriously, if AMD don't step it up some, they are gonna get blown completely out of the water with the next gen chip that Intel ALREADY has working right now (45nm chips).

Airencracken
03-30-2007, 12:28 PM
Have you read the latest Maximum PC? (April 2007)

If not, go get it... Pretty much in a nutshell, AMD is getting mercilessly spanked, however since they do have inroads with many "smaller market x86 chipmakers" they still have a firm foothold in the market in general.

Seriously, if AMD don't step it up some, they are gonna get blown completely out of the water with the next gen chip that Intel ALREADY has working right now (45nm chips).

You must admit thought it is quite a nod to AMD for Intel to use on die memory controllers and the GPU/CPU in one chip smacks a lot of the AMD Fusion idea.

I agree AMD is getting spanked, but I don't know if that will last, I guess we all really have to wait for Barcelona. There are a lot of advancements (supposedly) in that design that will be interesting to see. Not to mention that Intel and AMD have one big difference this time around still. AMD didn't lengthen the instruction pipes for Barcelona and Intel did for the Core 2 Duo. I don't know how that'll affect chip performance, but we'll see.

Also it'll be interesting to see how Barcelona scales with the 4X4 platform (which sucks right now, partially due to poor NUMA support...)

Either way I'm just glad to see lots of competition. :D