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My HDD is better than my SSD?

post #1 of 5
Thread Starter 
OK, I get what sustained sequential read/writes are, but I don't know what the others are. I also am unfamiliar with the importance of the different metrics.

Basically, my Samsung Spinpoint f3 1TB blows my ADATA S592 64GB out of the water on SSR/SSW and 512k writes, but the SSD dominates in the other areas.

Which metrics are important for what? opinions?

post #2 of 5
http://www.hardwarecanucks.com/forum...ead-first.html

Quote:
What really makes the difference between the SSD controllers is how good and fast they can handle small file read and writes, and how they deal with keeping the NAND fast. Each of the drive controller all do TRIM now, and for most people this is more than good enough and as such will not make any difference in how they handle non-Trim enviros.

For a Tier one SSD controller you should expect to see 4K writes in the 70-90 range. I can not be more specific than that as it really does vary depending on your motherboard’s south bridge controller (ICH 10 vs AMD 890 for example).

For a Tier two SSD controller you can expect 35-60 mb/s writes on small 4K files.

Why does this matter? It matters because your OS is constantly reading and writing these small files and the faster it can handle these small background tasks the more controller cycles it has free to deal with YOUR commands. While you will never notice a difference between 70 and 90 MB/s you will notice 30 and 90. It is not “three times” as fast in real world BUT it is noticeably faster.

To put this in perspective a fast 7200rpm will do about 2-3 MB/s writes on 4K files and a 10K rpm VRaptor will do aprx 3 - 4 MB/s (once again these numbers will vary depending on a number of factors and as such this should not be taken as gospel….its only a general idea).
Do a test that includes access times (Atto, AS SSD) to see another crucial difference.
post #3 of 5
Somthing is wrong is your ssd too full? reduce pagefile size and make sure u are running in achi not ide mode in bios.
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Stevev pc 2.5
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post #4 of 5
Quote:
Originally Posted by Nnimrod View Post
Which metrics are important for what? opinions?
The sequential write does seem a bit slow, possibly because the SSD is nearly full but it's hard to tell without knowing what kind of use/how long you've had it. My best guess is trying to free up some space may help.

4k performance is generally much more important (and reads are more important than writes) for regular use such as opening programs. Large sequential writes are less common so I wouldn't worry about it as much.

If it bothers you I'd imagine making an image of the OS, erasing the drive, then re-imaging it would probably restore some/most of the performance (though as long as the drive is nearly full you'll probably hit similar slowdown eventually).
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post #5 of 5
Thread Starter 
Quote:
Originally Posted by stevevace2 View Post
Somthing is wrong is your ssd too full? reduce pagefile size and make sure u are running in achi not ide mode in bios.
Ok, I'll do that, and its 50/60GB atm
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