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Intel Corp. has set the brand-name under which it will market its processors based on the Nehalem micro-architecture. Surprisingly, the company decided not to drop the “Core” name and the new chips will be available as Intel Core 7i central processing units (CPUs).

The new brand name, which was revealed by Expreview web-site, may attempt to tell the end-user that the new Nehalem micro-architecture leverages the foundation of the Core 2 micro-architecture that is used in Intel’s today’s highly popular desktop, mobile and server microprocessors. What the new name hardly tells are the advantages that Core i7 has over its predecessor.

The main micro-architectural enhancements for Nehalem that Intel has discussed so far is increased parallelism – the new microprocessors will be able to execute 33% more concurrent micro-ops at the same time. Additional improvements include faster unaligned cache accesses and faster synchronization primitives. In order to exclude situations when execution units stand idle, Intel also implemented new 2nd level branch predictor.

Another key enhancement of Intel Nehalem is completely redesigned cache sub-system. The new chips will feature 2nd level 512 entry translation look-aside buffer (in addition to 1st level TLB) in order to further reduce the so-called TLB miss rate, a completely new feature on x86 microprocessors. In addition, Intel Nehalem processors (at least, in certain implementations) will have three-level cache hierarchy: 64KB L1 (32KB for data, 32KB for instructions), 256KB L2 cache per core, 8MB L3 cache per processor. Traditionally, Intel chips use inclusive cache policy.

The world’s largest maker of x86 microprocessors also reiterated that its high-end Nehalem microprocessors will have from 2 to 8 cores, triple-channel DDR3 memory controller (with up to 1333MHz clock-speed supported initially), will use Quick Path Interconnect (QPI) bus and will support multi-threading technology similar with Intel Hyper-Threading that was first unveiled back in 2002 as well as SSE4.2 instructions.

Intel’s first implementation of Nehalem processor is code-named Bloomfield. This quad-core chip will be made using 45nm process technology and will sport 731 million transistors.

Intel did not comment on the news-story.


Comments currently: 4
Discussion started: 08/08/08 08:04:06 AM
Latest comment: 08/09/08 10:26:27 PM


"Intel HyperTransport"

UM YEAH... AMD HyperTransport.... Intel Hyper-THREADING
0 0 [Posted by: gaspah  | Date: 08/08/08 08:04:06 AM]

No, they meant "Intel HyperTransport".

Intel licensed the technology from the HyperTransport Consortium so that they could have an on-chip serial bus interface to go with their on-chip memory controler.

Think before spewing...
0 0 [Posted by: Iaiken  | Date: 08/08/08 11:19:12 AM]

Take your own advice. You have no idea what you are talking about, and they did in fact mean Intel Hyper-Threading. Notice that they have fixed the mistake now...

Intel HyperTransport does not exist because it is actually called Intel QuickPath Interconnect (QPI). And Intel did not license the technology from the HyperTransport Consortium, they in fact developed a competing technology.

Try reading and understanding instead of spewing BS. You can take a pass on the thinking part though as long as nobody else has to hear what garbage you come up with.
0 0 [Posted by: MikeHunt  | Date: 08/08/08 04:16:20 PM]

Thats the name?!?! Core 2 was weird enough but people eventually got used to it, even though a ton of people still call it Core Duo 2 or Duo 2 Core or something of that kind. But this name, who came up with this? Where the heck does the 7 come from, or the i for that matter. This may be the dumbest name Intel has ever come up with. And look, even in the first paragraph it was mispelled 7i instead of i7, the first of many thousands of times this name will be botched.
0 0 [Posted by: JMichaels  | Date: 08/09/08 10:26:27 PM]


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