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How accurate is Windows Experience Index?

Discussion in 'Hardware Components and Aftermarket Upgrades' started by naton, Sep 9, 2010.

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  1. naton

    naton Notebook Virtuoso

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    I run the test on my E-System laptop and in a friend of mine Dell laptop and the results are weired. As you can see from the picture my Celeron T1400@2.16GHz scores better than my friend Core 2 Duo T7300@2.00Ghz despite the fact that the T7300 FSB is 200MHz while my overclocked T1400's FSB is only 166MHz. Also My Celeron has 8 times less L2 cache.

    Also, my integrated SiS GPU is better than his nVidia Geforce 8400GS in Windows Aero.

    Any comments?

    [​IMG]
     
  2. laserbullet

    laserbullet Notebook Evangelist

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    WEI is only good if you want a thumbsketch and don't want to download a real benchmarking tool.
     
  3. H.A.L. 9000

    H.A.L. 9000 308 Negra Arroyo Lane

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    IMO, the only good WEI is, would be when determining if a machine can run Aero. Otherwise it's useless.
     
  4. Phil

    Phil Retired

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    In my experience WEI for CPU is pretty accurate. Your Celeron runs at a higher clock so it's not unthinkable.

    If you want to doublecheck run HyperPI or Wprime.
     
  5. naton

    naton Notebook Virtuoso

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    So, when does more cache make a difference? I mean when 4MB of cache is better than 512KB?
     
  6. Phil

    Phil Retired

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    It helps certain tasks, here are some examples.
     
  7. woofer00

    woofer00 Wanderer

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    The graphics subscore (not gaming) is a measure of 2D rendering capability. I've sen plenty of GPUs that scores 7 on the gaming, and a 5.* on the Aero. Discrete GPUs are just optimized for 3D. It doesn't mean you can't turn on all the Aero bells and whistles.
     
  8. Crimsoned

    Crimsoned Notebook Deity

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    Most graphics card (Desktop wise) perform similarly in 2d applications. Tomshardware did an article about it.. Good stuff :>

    @OP
    WEI is not accurate in the sense it will give you a good demonstration of the real world performance. It is merely for comparing of two computers to see where each stand, which it does fairly good in that respect..
     
  9. erig007

    erig007 Notebook Evangelist

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    I think WEI is ok to compare different components of your laptop processor vs memory etc.. but it is quite useless to compare 2 laptop as it give weird results like yours way too often
    even that sometimes i get different results when i re-run wei so it's more use-less than ful
    Show Us Your WEI - Windows 7 Forums
    http://forum.notebookreview.com/des...-your-wei-windows-experience-index-score.html

    to show you how wei is useless
    (i didn't modify the image with photoshop or paint or anything except resizing in order to printscreen but there is a trick it's even simplier) :D


    [​IMG]
     

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  10. raydabruce

    raydabruce Notebook Carnivore

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    I only look at WEI to see changes when I upgrade hardware or drivers.

    To the OP: Keep in mind that clockspeed (GHz) is only really applicable between two processors of the same class that have the same specs, cache, transistors, memory bandwidth, etc. Also, names that Intel uses, like "Celeron, Pentium and Core2 Duo" are virtually meaningless. They are nothing but marketing schemes to wring the most money out of you.

    i.e. -- they'll take a C2Duo and halve the L2 cache and call it a Pentium. That's exactly what they did with the "Pentium Dual Core T4300" which is actually a C2Duo T6600 (or T6500) with half the L2 cache. All other specs of the 2 chips are identical and the "so-called" Pentium outperformed the other one on PassMark CPU benchmark. Go figure! So, the point is, names and clockspeeds can be misleading and like someone else said, cache doesn't figure in to most benchmark scores.
     
  11. raydabruce

    raydabruce Notebook Carnivore

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    Yes, we know you can modify the file that WEI generates to make it say anything you want. That doesn't make WEI "useless". So, what's your point?
     
  12. erig007

    erig007 Notebook Evangelist

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    my point is wei can give anything as a result especially when you compare it with someone else laptop so naton should not bother with it and should go for more accurate and reliable benchmarks
     
  13. Cloudfire

    Cloudfire (Really odd person)

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    I wonder if it is some kind of thread where people can battle against each other with WEI :D
    I have 6.8 btw :p
     
  14. dlai

    dlai Notebook Consultant

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  15. Krane

    Krane Notebook Prophet

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    Search the threads; that party was thrown long ago.
     
  16. Cloudfire

    Cloudfire (Really odd person)

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    Thanks.

    Too bad i couldnt join the fun while everyone was active in that thread but posted my score anyway
     
  17. Amnesiac

    Amnesiac 404

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    No...just no. Just because you can change the score yourself in some .xml file hidden within the Windows folder on your hard drive it doesn't make WEI instantly useless. The XML is just where the scores are stored and where it can read off them for easy access.
     
  18. Gracy123

    Gracy123 Agrees to disagree

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    I find it inaccurate! My experience: I swapped my original 5400 rpm drive with a noticably faster 7200 rpm - score remained absolutely the same although I have about 60% speed enhancement!!
     
  19. erig007

    erig007 Notebook Evangelist

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    ok then explain me how i can get sometimes 4.5 sometimes 7.5 for my ssd in WEI
    and for the same cpu someone will get 4.2 when the other one get 6.3
    another example... gracy123
     
  20. Amnesiac

    Amnesiac 404

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    Background Processes?

    I never tried to say it was accurate - my point was, that just because the score is stored in an XML that is user changeable, it doesn't mean that it can be anything. Being able to change the score yourself and the benchmarking utility are completely separate from each other.
     
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