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Performance diff between I7 1st and 4th Gen

I have a 3-year-old laptop with a 1st gen I7 cpu (specifically model 740QM 1.73GHz). Will I see a large performance difference upgrading to a new laptop? What should I look for regarding features in a current CPU model to ensure an improvement? Jon
Reply to luigi_p
9 answers Last reply Best Answer
More about performance diff 1st 4th gen
  1. Depends on what you are doing?
    What is the exact model number? FULL specs?
    Reply to Novuake
  2. The performance difference would be TREMENDOUS.
    Reply to CTurbo
  3. Novuake said:
    Depends on what you are doing?
    What is the exact model number? FULL specs?


    Besides everyday typical user stuff, I also edit video, images using Photoshop, and some software development (mostly in Java).

    The link below gives an overview of the features of the CPU. Hope this is what you are looking for:

    http://ark.intel.com/products/49024/
    Reply to luigi_p
  4. The single thread performance of the 4th generation i7 is about AT LEAST 40% better at the same clock speed than the first gen i7.
    The turbo boost technology is a lot better too, as well as overall efficiency.
    Reply to CTurbo
  5. Hmm well then you will see a massive improvement over that gen by going with the Haswel bunch.
    Reply to Novuake
  6. Thanks for the input. It sounds like the consensus is for a large improvement. I looked up "Haswell" online. Is this just the latest Intel product line or is it a specific sub-group of the product line?
    Reply to luigi_p
  7. The whole line of 4000 series CPUs...
    Reply to Novuake
  8. Best answer
    In terms of general overall performance the average increase based on combination of various applications, games and synthetic (least reliable) benchmarks by generation is as follows (assuming the same clockspeed):

    1st gen Nehalem (Bloomfield / Lynnfield) -> 2nd gen Sandy Bridge = 12%
    2nd gen Sandy Bridge -> 3rd gen Ivy Bridge = 6%
    3rd gen Ivy Bridge -> 4th gen Haswell = 6%

    Overall performance increase from 1st -> 4th gen = ~26%
    Reply to jaguarskx
  9. jaguarskx said:
    In terms of general overall performance the average increase based on combination of various applications, games and synthetic (least reliable) benchmarks by generation is as follows (assuming the same clockspeed):

    1st gen Nehalem (Bloomfield / Lynnfield) -> 2nd gen Sandy Bridge = 12%
    2nd gen Sandy Bridge -> 3rd gen Ivy Bridge = 6%
    3rd gen Ivy Bridge -> 4th gen Haswell = 6%

    Overall performance increase from 1st -> 4th gen = ~26%


    Assuming the same clock speed AND core count.

    So the true bump will be considerably more from like the I5 760 to the 4670K at stock.
    Reply to Novuake
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