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Performance diff between I7 1st and 4th Gen

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  • Laptops
  • Performance
  • Intel i7
  • CPUs
Last response: in CPUs
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November 20, 2013 9:02:45 AM

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

More about : performance diff 1st 4th gen

a b D Laptop
a c 240 à CPUs
November 20, 2013 9:14:26 AM

Depends on what you are doing?
What is the exact model number? FULL specs?
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a b D Laptop
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November 20, 2013 9:19:09 AM

The performance difference would be TREMENDOUS.
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November 20, 2013 9:21:27 AM

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/
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a b D Laptop
a c 491 à CPUs
November 20, 2013 9:31:28 AM

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.
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a b D Laptop
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November 20, 2013 10:05:45 AM

Hmm well then you will see a massive improvement over that gen by going with the Haswel bunch.
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November 20, 2013 10:31:40 AM

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?
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a b D Laptop
a c 240 à CPUs
November 20, 2013 1:18:25 PM

The whole line of 4000 series CPUs...
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Best solution

a c 466 D Laptop
a c 480 à CPUs
November 20, 2013 4:11:57 PM

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%
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a b D Laptop
a c 240 à CPUs
November 20, 2013 10:20:40 PM

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.
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