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#471
Each benchmark program runs tests in a slightly different way.
AS SSD runs some of the tests to check performance of the NCQ, which is a SATA AHCI function, so those running in IDE mode will see a decrease in scores.
SATA AHCI and NCQ does have benefits for performance as well as the ability to use the Trim function.
The IDE or SATA driver is noted on the results page.
The scores are weighted for significance to OS performance.
Sequential read and write aren't as important as random read and to a lesser extent random write when it comes to the most useful attributes of SSDs when gauging actual real world OS performance.
Their formula for the scores:
Final score:
Seq write x 0.15
Seq read x 0.10
4k read x 2
4k write
4k-64thrd write
4k-64thrd read x 1.5
The sum equals the final score.
Read:
Seq read x 0.10
4k read
4k-64thrd read
The sum equals the read score
Write:
Seq write x 0.10
4k write
4k-64thrd write
The sum equals the write score
Each benchmark should be used to compare your SSD/HDD to what others get with the same SSD/HDD, or how your SSD/HDD compares to other brand/models.
In either case it's best to compare with the same benchmark program.
It might be better to post SSD performance benchmarks on the Show us your SSD performance thread.
This thread is generally for spinners
Last edited by Dave76; 30 May 2010 at 10:33.