PCの性能とUSBメモリのべンチマーク

自分がいつも使っているノートPC nx9010 と、最近発売されたPCでは、USBﾒﾓﾘのベンチマークでも差が出ることがわかった。

GREEN HOUSE GH-UFD2GTB　2GB
hp compaq nx9010
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CrystalDiskMark 2.2 (C) 2007-2008 hiyohiyo
      Crystal Dew World : http://crystalmark.info/
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Sequential Read :   18.502 MB/s
Sequential Write :   16.578 MB/s
Random Read 512KB :   18.505 MB/s
Random Write 512KB :    5.476 MB/s
Random Read 4KB :    3.700 MB/s
Random Write 4KB :    0.062 MB/s

Test Size : 100 MB
Date : 2008/10/11 19:44:05

SONY VAIO VGC-LJ52B
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CrystalDiskMark 2.2 (C) 2007-2008 hiyohiyo
      Crystal Dew World : http://crystalmark.info/
--------------------------------------------------

Sequential Read :   32.524 MB/s
Sequential Write :   20.919 MB/s
Random Read 512KB :   32.554 MB/s
Random Write 512KB :    6.035 MB/s
Random Read 4KB :    6.449 MB/s
Random Write 4KB :    0.063 MB/s

Test Size : 100 MB
Date : 2008/10/11 23:29:29

このように、速度に明らかに差がある。どうみてもnx9010のほうが遅い。
もしかしたら、自分がnx9010をいろいろといじったために動作が重くなったのかもしれない。
それとも、nx9010はもともと遅いのか。後者はあまり考えたくない。
nx9010はあと5年は使えると思っていたが、5年前と今の差を改めて実感させられた。

ついでに他のベンチマークの貼っておく。
PCはすべてVAIO VGC-LJ52B

A-DATA PD16 2GB
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CrystalDiskMark 2.2 (C) 2007-2008 hiyohiyo
      Crystal Dew World : http://crystalmark.info/
--------------------------------------------------

Sequential Read :   26.191 MB/s
Sequential Write :    3.850 MB/s
Random Read 512KB :   26.354 MB/s
Random Write 512KB :    1.961 MB/s
Random Read 4KB :    6.461 MB/s
Random Write 4KB :    0.025 MB/s

Test Size : 100 MB
Date : 2008/10/11 23:39:10

IODATA TB-B 128MB
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CrystalDiskMark 2.2 (C) 2007-2008 hiyohiyo
      Crystal Dew World : http://crystalmark.info/
--------------------------------------------------

Sequential Read :   12.845 MB/s
Sequential Write :    5.260 MB/s
Random Read 512KB :   12.894 MB/s
Random Write 512KB :    5.257 MB/s
Random Read 4KB :    4.304 MB/s
Random Write 4KB :    0.188 MB/s

Test Size : 50 MB
Date : 2008/10/12 23:08:52

Toshiba microSD SD-C02G 2GB + DN-CR401
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CrystalDiskMark 2.2 (C) 2007-2008 hiyohiyo
      Crystal Dew World : http://crystalmark.info/
--------------------------------------------------

Sequential Read :   19.614 MB/s
Sequential Write :    6.812 MB/s
Random Read 512KB :   19.364 MB/s
Random Write 512KB :    3.116 MB/s
Random Read 4KB :    3.595 MB/s
Random Write 4KB :    0.043 MB/s

Test Size : 100 MB
Date : 2008/10/12 23:15:54

ut165 4GB (詳細不明)
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CrystalDiskMark 2.2 (C) 2007-2008 hiyohiyo
      Crystal Dew World : http://crystalmark.info/
--------------------------------------------------

Sequential Read :   31.959 MB/s
Sequential Write :    7.288 MB/s
Random Read 512KB :   32.067 MB/s
Random Write 512KB :    2.438 MB/s
Random Read 4KB :    6.237 MB/s
Random Write 4KB :    0.025 MB/s

Test Size : 100 MB
Date : 2008/10/12 23:25:19

Buffalo HD-PSG160U2-BK (SAMSUNG HM160HI) 160GB
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CrystalDiskMark 2.2 (C) 2007-2008 hiyohiyo
      Crystal Dew World : http://crystalmark.info/
--------------------------------------------------

Sequential Read :   32.753 MB/s
Sequential Write :   23.715 MB/s
Random Read 512KB :   22.479 MB/s
Random Write 512KB :   24.121 MB/s
Random Read 4KB :    0.511 MB/s
Random Write 4KB :    1.525 MB/s

Test Size : 100 MB
Date : 2008/10/13 19:37:32

Logitec LHD-EB160U2 (SAMSUNG SP1604N) 160GB
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CrystalDiskMark 2.2 (C) 2007-2008 hiyohiyo
      Crystal Dew World : http://crystalmark.info/
--------------------------------------------------

Sequential Read :   28.906 MB/s
Sequential Write :   24.222 MB/s
Random Read 512KB :   15.883 MB/s
Random Write 512KB :   23.666 MB/s
Random Read 4KB :    0.353 MB/s
Random Write 4KB :    0.944 MB/s

Test Size : 100 MB
Date : 2008/10/13 21:27:20

VAIO VGC-LJ52B HDD (FUJITSU MHY2160BH) 160GB
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CrystalDiskMark 2.2 (C) 2007-2008 hiyohiyo
      Crystal Dew World : http://crystalmark.info/
--------------------------------------------------

Sequential Read :   47.425 MB/s
Sequential Write :   46.186 MB/s
Random Read 512KB :   19.948 MB/s
Random Write 512KB :   29.742 MB/s
Random Read 4KB :    0.521 MB/s
Random Write 4KB :    1.000 MB/s

Test Size : 100 MB
Date : 2008/10/13 19:44:14

VAIO VGC-LJ52B PC2-5300 Gavotte RAMDisk 384MB
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CrystalDiskMark 2.2 (C) 2007-2008 hiyohiyo
      Crystal Dew World : http://crystalmark.info/
--------------------------------------------------

Sequential Read :  833.167 MB/s
Sequential Write :  838.023 MB/s
Random Read 512KB :  508.729 MB/s
Random Write 512KB :  491.357 MB/s
Random Read 4KB :    9.000 MB/s
Random Write 4KB :    8.803 MB/s

Test Size : 100 MB
Date : 2008/10/12 23:50:41