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Mobile CPU Wars: Core 2 Duo vs. Core Duo

 by Anand Lal Shimpi on August 3, 2006 9:25 AM EST
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46 Comments

Battery Life - Business Applications

While the performance of these laptops was very similar when running on AC power, unplugging them and focusing on battery life and performance changes the landscape dramatically.  For our battery life tests we turn to MobileMark 2005, which offers a total of four battery life measurement tools - the first one being the Office Productivity 2002SE benchmark.

MobileMark 2005 - Office Productivity 2002SE

MobileMark 2005 - Office Productivity 2002SE

Beginning with the Office Productivity portion of the benchmark, Merom delivers the best of both worlds. It performs slightly faster (6.5%) than Yonah, and it offers ever so slightly more battery life. It's almost a tie, really, and for most office work users are rarely CPU limited in the first place. However, the imporant thing is that cost is equal and performance and battery life are no worse.

Power Consumption Battery Life - Reading, DVD Playback & Wireless Web Browsing
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  • IntelUser2000 - Saturday, August 5, 2006 - link

    quote:
    It was interesting to compare the numbers in this review with the previous Core 2 Duo desktop review where 2MB vs 4MB L2 cache was examined (although at 1,83GHz/1066)

    http://www.anandtech.com/cpuchipsets/showdoc.aspx?...">http://www.anandtech.com/cpuchipsets/showdoc.aspx?...

    Its not a perfect comparison but from what I can gather, there are significant improvements performance wise coming from the core, even in the non-FP/SSE related benchmarks. A favorite argument among some people is that the extra cache makes all the difference, I hope this will shut them up! (tho I really doubt it)


    Correct. Lots of the benchmarks show 10% advantage for Core 2 Duo over Core Duo. The only 10% advantage 4MB L2 over 2MB L2 is in a single app.

  • bob661 - Thursday, August 3, 2006 - link

    Video makes ALL the difference in the world.

  • monsoon - Thursday, August 3, 2006 - link

    I'm in the market for a mini PC to do video trancode, and I was considering the MEROM chip to compare to YONAH...

    ...in the end, given the right graphic card ( add ATI X1400 series or higher here ) with hardware embedded transcode features, i guess the YONAH fits my bill just right.

    And i get to pay 100$ or 200$ less than the same computer with a MEROM which could not offer me better on the video side...

    What do you think ?

  • bob661 - Thursday, August 3, 2006 - link

    I would get the best video you can get with the cash saved from getting the Memron.

  • Tiamat - Thursday, August 3, 2006 - link

    Whats the difference between the Intel Core Duo T2300E* and the Intel Core Duo T2300E?

    I see a difference in price, but not specs. The page in the article does not address the asterisk...

  • Anand Lal Shimpi - Thursday, August 3, 2006 - link

    The asterisk means that the CPU lacks support for Intel Virtualization Technology (VT). I had the note on Page 3 but I forgot to include it on Page 2 :) Thanks for the heads up :)

    Take care,
    Anand
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