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A Preview of Intel's Centrino 2 Platform
A Preview of Intel's Centrino 2 Platform
Date: July 15th, 2008
Topic: Mobile
Manufacturer: Intel
Author: Anand Lal Shimpi
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The Montevina Rollout for the Rest of 2008

There's more Centrino 2 to come, by the end of this year Intel will add to the Montevina lineup with new small form factor chips. These chips all have the 22mm x 22mm package that was first used in Apple's MacBook Air:

Core Platform Clock Speed FSB L2 Cache TDP Package
Core 2 Duo SP9400 45nm Penryn Montevina 2.40GHz 1066MHz 6MB 25W 22mm x 22mm
Core 2 Duo SP9300 45nm Penryn Montevina 2.26GHz 1066MHz 6MB 25W 22mm x 22mm
Core 2 Duo SL9400 45nm Penryn Montevina 1.86GHz 1066MHz 6MB 17W 22mm x 22mm
Core 2 Duo SL9300 45nm Penryn Montevina 1.60GHz 1066MHz 6MB 17W 22mm x 22mm
Core 2 Duo L7700 65nm Merom Santa Rosa 1.80GHz 800MHz 4MB 17W 35mm x 35mm
Core 2 Duo L7500 65nm Merom Santa Rosa 1.60GHz 800MHz 4MB 17W 35mm x 35mm
Core 2 Duo L7300 65nm Merom Santa Rosa 1.40GHz 800MHz 4MB 17W 35mm x 35mm
Core 2 Duo SU9400 45nm Penryn Montevina 1.40GHz 800MHz 3MB 10W 22mm x 22mm
Core 2 Duo SU9300 45nm Penryn Montevina 1.20GHz 800MHz 3MB 10W 22mm x 22mm
Core 2 Duo U7700 65nm Merom Santa Rosa 1.33GHz 533MHz 2MB 10W 35mm x 35mm
Core 2 Duo U7600 65nm Merom Santa Rosa 1.20GHz 533MHz 2MB 10W 35mm x 35mm
Core 2 Duo U7500 65nm Merom Santa Rosa 1.06GHz 533MHz 2MB 10W 35mm x 35mm
Core 2 Duo U3300 45nm Penryn Montevina 1.20GHz 800MHz 3MB 5.5W 22mm x 22mm
Core 2 Duo U2200 65nm Merom Napa Refresh 1.20GHz 533MHz 1MB 5.5W 35mm x 35mm
Core 2 Duo U2100 65nm Merom Napa Refresh 1.06GHz 533MHz 1MB 5.5W 35mm x 35mm

The Core 2 Duo SL9400 and SL9300 are prime MacBook Air replacement candidates, they run at slightly higher clock speeds, have more L2 cache and actually have a lower TDP than the chips in the MacBook Air (17W vs. 20W).

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13 Comments - Last by gfxmatters, 571 days ago
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thoughts by Visual, 574 days ago
Shame on Intel for the crappy launch... and the whole lot of hype and noise about the "new platform" seems out of place to me, seeing as it is simply more of the same old.

The new integrated GPU is really the only big change to me, but I already have very low expectations for it. Nothing unusual, we're already used to Intel's GPUs being inferior to nVidia/ATI. Shame that the "platform" requires an Intel chipset.
The dynamic switching between discrete and integrated GPU has potential, but then again it may be completely useless if the discrete GPUs are able to tune down their power drain when used only for 2D or Aero.

I'm not too excited about detailed specs or performance numbers of the platform itself - "it's good enough" and "it's better than the old one" is all most people need to know and understand really.
I am much more interested in knowing what new things the OEMs are cooking. Will we finally get some decent GPU in a tablet, will we get multi-touch screens, will we get something like AMD's idea of 16x pci-express connector for external GPUs, etc... all things that are quite unrelated to Intel and the new platform launch - they have been possible all along with the old platform and I'm a bit disappointed they are still being delayed.

Reply
Great for VISTA! by steveyballmer, 574 days ago
This revolutionary technology runs Vista like a champ but is not supported when it comes to apple and the cult people!

http://fakesteveballmer.blogspot.com

Reply
Question by Penryn123, 574 days ago
Will new 25W CPUs also work in Santa Rosa boards? (drop-in replacement possible?)

Reply
35W-25W TDP and Cache Size Comparisons by ltcommanderdata, 574 days ago
It'd be nice if you could also get a similarly configured system with the 2.53GHz T9400 and P9500 to try to ascertain the realworld battery-life benefits between the 35W and 25W TDPs. (I'd wish they'd just call the 25W TDP parts Medium Voltage, Mxxxx parts, which makes it more intuitive where they belong compared to LV and ULV parts.)

And maybe a comparison between a 2.4GHz SL9400 and a 2.4GHz P8600 to see how big a difference the loss of 3MB of L2 cache is. With a 1066MHz FSB, it probably isn't a big deal.

Reply
New platform? by crimson117, 574 days ago
Not so much "new platform" as "new marketing opportunity for OEMs".

I don't mean to knock Centrino - the original platform really did move the wireless revolution along.

Centrino2 however brings nothing new other than upgraded (or downgraded!) components.

I think AMD went the right way by including graphics requirements in their AMD GAME! platform, but only time will tell. Centrino is such a strong brand name it might be hard to top. It would be nice to see a gaming-based Centrino.

Reply
comment for page "The Lowest Power Core 2 Centrino, Ever" by MrSpadge, 574 days ago
Hi Anand,

you're writing:

"Note that here, while the voltages dropped vs. Merom, maximum current draw actually went up to 44A from 41A. This could be due to greater leakage, the higher clock speeds offered by Penryn or simple inexperience with the 45nm process compared to Intel's tried-and-true 65nm process upon its release."

It's much simpler than that. P = U*I, so if P=const (35W) and V goes down, I has to go up.

Regards,
MrS

Reply
package info by Brian23, 573 days ago
I think your package info for the chips is wrong. 35mm^2 is smaller than the size of your pinkey fingernail. I think you meant to say 35mm x 35mm. That would be 1225mm^2 or 1.225cm^2.

Reply
RE: package info by strikeback03, 573 days ago
actually, that should be 12.25cm^2

Reply
G45 boards by kevinkreiser, 573 days ago
Seriously, does anyone know when G45 based boards will finally hit the market? The article mentions that GM45 laptops should be out within 30 days, but it seems like I've been waiting for what seems like 6 months for the G45.

Reply
Shame on Intel? by nysupport, 573 days ago
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