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More performance, more options: here's "Merom"

Today Intel is expected to officially launch the Core 2 Duo processor for mobile platforms. Based on the Merom core, Core 2 Duo is arguably the industry's most anticipated mobile processor launch of this year.  Judging from performance comparisons of its desktop counterpart, Conroe, Core 2 Duo should deliver some very impressive performance benchmarks in notebooks, which will also be announced this week. While Intel had a launch party for Core 2 Duo earlier last month, today marks the official day when products with Core 2 Duo processors become available. Expect major manufacturers such as Dell, Lenovo, Sony and others to release notebooks based on the new platform.

Actual specifications for Merom and Conroe remain nearly identical with the majority of Core 2 Duo processors coming with 4MB of L2 cache and running on a 667MHz front-side bus.   Even low-voltage versions of Core 2 Duo such as the L7400 model will run on a 667MHz front-side bus and come with 4MB of L2 cache. Core frequency, however, is reduced from 2.2GHz in the T7400 model down to 1.6GHz in the L7400 model. All Core 2 Duo processors utilize virtualization technology enabled and are fully prepared to run 64-bit applications.  Like Conroe, the 4MB of L2 cache is shared between the two processor cores.

Intel will debut the Core 2 Duo Mobile processors in a number of flavors.  All prices are for distributors:

Intel Core 2 Duo Mobile Launch
Intel C2D T7600
Intel C2D T7400
Intel C2D T7200
Intel C2D T5600
Intel C2D T5500

This is only the first revision of Core 2 Duo, or Merom.  Today's Core 2 Duo notebooks will be based on Intel's highly successful Napa platform, but the company will be phasing this Centrino platform out around Q2 of 2007. At that time, Intel will move in its Santa Rosa platform which uses the GM965 and PM965 Express chipsets and adds the ICH8M and ICH8M Enhanced Southbridges. Santa Rosa will replace Intel's 945GM Express chipset.  This next generation of Merom processors will utilize an 800MHz front-side bus, slightly higher clock speeds and a different socket design.

According to Intel roadmaps, Core 2 Duo processors will make up for more than 55% of its total mobile processor shipments by early 2007. Additionally, Intel expects that dual core processors for the mobile platform will exceed 95% of its production output -- single core processors are definitely on the way out.

Intel roadmaps reveal impressive power consumption numbers for Core 2 Duo processors. Intel claimed on the average, Core 2 Duo processors will have a higher performance-per-watt ratio than existing Core Duo (Yonah) processors. However, DailyTech previously reported that those with a concern for battery life are more than likely better off with notebooks based on Core Duo processors. The top of the line Yonah processor, the T2700, has a TDP of 31W at 2.33GHz clock frequency.  All Core 2 Duo Merom processors have a TDP of 34W, including the 1.66GHz T5500.  By comparison, the 1.66GHz Yonah has a TDP of 27W.

Look forward to seeing Merom versions of the existing Core Duo notebooks available today since Merom is pin-compatible with Yonah processors.  However, don't expect to buy a Merom off the shelf and stick it into your notebook -- the majority of notebooks manufactured today, including the recent MacBooks, actually have the processor soldered onto the motherboard rather than socketed.  Furthermore, when Merom gets its next speed revision at the Santa Rosa launch, any new processors based on the Merom core will have a new socket.

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what? correction maybe
By Comdrpopnfresh on 8/28/2006 12:55:03 PM , Rating: 2
seems like in anything over 15", the processor is a drop-in replacement with a bios update. I know most dells are that way, and from tests it seems that asus laptops are much the same. I laugh at my spending even minutes debating going out and buying one of these to replace the core1 in my new dell. The performance gain is not real-life, only benchmark software (although for desktop replacements, encoding and high-need processes will benefit.)really shows it. And how does intel expect a 34w processor to have a longer battery life than 31? Even if it does manage this somehow, anyone who will reap from the performance gains listed above won't care about battery life. So its quite a problem. Also, there is no physical improvement in current laptops either. Either in drop-in replacements, or the first revision core2 laptops, the fsb is the same, and the ram is still limited to 667mhz. It'd be better for anyone to wait for the 800mhz varients. The only clear advantage I see now is the 64-bit extensions. But then again, theres quite a problem there, as vista hasn't been released yet, and when it does, will need physical changes of its own- nand-hybrid disks, nand standalone disk, and most likely the bar raised for a min. ram of .5gigs to 1.... I still think unless someone is really having problems, it'd be better to wait until pcie2, 800mhz ram, nand-hybrid disks, vista, and energy-efficient versions to all emerge before leaping to a smaller, if not negligible peformance increase. Please excuse any horrible spelling or grammer- I'm on my laptop I'm perfectly happy with, and am not used to the keyboard yet...

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