Intel 530 120G vs. SanDisk Exteme II 120GB,該買哪個好? - 3C

By Todd Johnson
at 2014-02-07T12:14
at 2014-02-07T12:14
Table of Contents
到底要買SanDisk Exteme II 120G好還是買Intel 530 120G?
現在超苦惱的...
SanDisk是非同步晶片,但是Marvell Controller的技術是以「多管道存取」演算法來達
成高速存取的目的,由於並沒有壓縮資料,所以在Crystal Disk Mark的測試中,所測得
的數值不像SandForce技術的SSD會有很大的落差,且更接近現實情況下的使用情況。
而
Intel 530 是同步晶片,SandForce技術原理是採用「即時壓縮」與「數據縮量演算法」
讓實際寫入Flash顆粒的資料量減少,達成了讀寫加速的效果,所以在全部寫入0或1的測
試中所測出的數值,會比隨機存取的數值高非常多(因為資料壓縮比例高的關係)。
IO Meter測試:
SSD 另外一個使用上的問題就是「效能衰減」,也就是許多SSD會因為使用時間拉長了之
後發生效能越來越差的問題,由於SSD在剛開始使用時裡面的資料幾乎都是以最乾淨的方
式排列,但在作業系統與影音資料越來越多的情況底下,使用「即時壓縮」技術的SSD就
會開始慢慢的「打回原形」。
測試之後可以明顯的看出使用SandForce controller的SSD在所有數值都明顯下降,而使
用Marvell Controller幾乎沒有變化...
----
如果要快又要同步晶片當然是買Intel,但是它的快是一種假象...
如果買SanDisk它是非同步晶片但是它不會在長時間使用過後「效能衰減」的很明顯。
爬文後看到的...是的真的沒有變化...我用Sandisk 128G測試過了!文章連結在下面。
http://ppt.cc/A9rh
SSD的核心!! Marvell v.s SandForce Controller 大對決
Sandisk Ultra Plus 128G開機時間測試
http://i.imgur.com/FagoW6N.png
順便問一下大家的開機時間是多少?
開機時間測試軟體
http://www.greatis.com/bootracer_free.zip
--
現在超苦惱的...
SanDisk是非同步晶片,但是Marvell Controller的技術是以「多管道存取」演算法來達
成高速存取的目的,由於並沒有壓縮資料,所以在Crystal Disk Mark的測試中,所測得
的數值不像SandForce技術的SSD會有很大的落差,且更接近現實情況下的使用情況。
而
Intel 530 是同步晶片,SandForce技術原理是採用「即時壓縮」與「數據縮量演算法」
讓實際寫入Flash顆粒的資料量減少,達成了讀寫加速的效果,所以在全部寫入0或1的測
試中所測出的數值,會比隨機存取的數值高非常多(因為資料壓縮比例高的關係)。
IO Meter測試:
SSD 另外一個使用上的問題就是「效能衰減」,也就是許多SSD會因為使用時間拉長了之
後發生效能越來越差的問題,由於SSD在剛開始使用時裡面的資料幾乎都是以最乾淨的方
式排列,但在作業系統與影音資料越來越多的情況底下,使用「即時壓縮」技術的SSD就
會開始慢慢的「打回原形」。
測試之後可以明顯的看出使用SandForce controller的SSD在所有數值都明顯下降,而使
用Marvell Controller幾乎沒有變化...
----
如果要快又要同步晶片當然是買Intel,但是它的快是一種假象...
如果買SanDisk它是非同步晶片但是它不會在長時間使用過後「效能衰減」的很明顯。
爬文後看到的...是的真的沒有變化...我用Sandisk 128G測試過了!文章連結在下面。
http://ppt.cc/A9rh
SSD的核心!! Marvell v.s SandForce Controller 大對決
Sandisk Ultra Plus 128G開機時間測試
http://i.imgur.com/FagoW6N.png
順便問一下大家的開機時間是多少?
開機時間測試軟體
http://www.greatis.com/bootracer_free.zip
--
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