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Windows 7: SSHD - Performance comparison with HDD and SSD

21 Dec 2013   #1
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 
SSHD - Performance comparison with HDD and SSD

information   Information
We had several discussions regarding the benefits and performance of SSHDs. But since nobody had any real data, I decided to order a SSHD when a reasonably priced model was on sale at Newegg. I ran comparison tests with a HDD and a SSD and the details are below.


I have removed the original posting from here because it was polluted with Adware. But you can still access it from my One Drive - without Adware. I don't want my good name associated with advertisement for questionable products.

Link: SSDH - Perfornance comparison.


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21 Dec 2013   #2
LMiller7

Windows 7 Pro 64 bit
 
 

Interesting results but not very meaningful for typical real world conditions. The test was basically measuring only transfer speed which is the ideal case for a conventional HD. Under typical workloads there is a great deal of reading of small sections of files spread over the disk surface. That requires a large number of head seeks, a weakness of conventional drives and a strength of SSds. SSHD drives will have also have an advantage here but to a lesser extent then an SSD. How much will depend a great deal on the nature of the workload.
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21 Dec 2013   #3
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

That's what I said at thje end of my evaluation. One day I will image the OS on the SSHD and compare it to my SSD. But as I said, that is a bigger job because I will have to physically change disks in my laptop (that's what I would use because I do not fancy to crawl under my desk where my desktop is).
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21 Dec 2013   #4
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Any other useful comments?
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21 Dec 2013   #5
Lady Fitzgerald

Win 7 Ultimate 64 bit
 
 

My experience with an SSHD was somewhat different. When I first installed it in my notebook, boot times didn't improve much but program loading was much faster and access of large blocks of data by a couple of programs (MediaMonkey and caliber) improved quite a bit. However, mostly because I kept deleting and adding large blocks of data in a short period of time, the NAND in the SSHD apparently became overwhelmed and everything slowed back down to HDD levels.

This is not to say SSHDs are not any good. They just aren't for everyone. If one uses a limited number of programs and pretty much does the same thing every time they use the computer, then they will see a dramatic improvement. I my case, I was better off getting an SSD.
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21 Dec 2013   #6
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

LF, this is valuable input. I was sure that the SSHD is going to behave differently in different situations.

After the holidays I am going to image the OS from my laptop's OCZ Vertex III to the SSHD. Then I am going to run some benchmarks on the Vertex first. Then I switch the disks and rerun the same benchmarks on the SSHD.

Problem is that the OS does not register a lot of performance data. Apart from the boot and shutdown times in Events 100 and 200 in the Event Viewer, I know no other performance data that is recorded. Maybe I can find some benchmark program for the job.
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21 Dec 2013   #7
Lady Fitzgerald

Win 7 Ultimate 64 bit
 
 

The problem with benchmarks is they do not always reflect real use performance. Reports of seat of the pants performance are far more meaningful. Benchmarks are useful, however, as an indicator of how performance later compares to performance earlier; a drop in the benchmark provides a tangible indicator of when something is cause a drop in performance; basically, a diagnostic tool..
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22 Dec 2013   #8
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

I think anything you measure is going to be a bit artifical because the next guy may have a completely different setup and different requirements. I just like to provide those numbers for whatever they are worth - it's better than armwaving.
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22 Dec 2013   #9
LMiller7

Windows 7 Pro 64 bit
 
 

Benchmarks can be useful but creating a good benchmark and properly interpreting the results is difficult. Unless very carefully done the results may be unduly influenced by unrelated factors. And unless the results are properly interpreted they may have little validity in real world situations. I would expect the proper evaluation of an SSHD to be particularly difficult.
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23 Dec 2013   #10
madcratebuilder

Win8/8.1,Win7-U64, Vista U64, uncounted Linux distor's
 
 

Quote   Quote: Originally Posted by whs View Post
That's what I said at thje end of my evaluation. One day I will image the OS on the SSHD and compare it to my SSD. But as I said, that is a bigger job because I will have to physically change disks in my laptop (that's what I would use because I do not fancy to crawl under my desk where my desktop is).
The Seagate sshd uses the nand for a cache, not for permanent file storage. The 1tb has 16gb nand and the 500gb has 8gb nand. I have 2 of the 500 gb sshd's and they have learned to load windows almost as fast as my 840 pro, but seldom used programs are the same speed as a straight spinner.

I bought the first one for $50 as a factory refurb for my lap top, after using for a few weeks I bought a second one for the ball and chains desk top.
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 SSHD - Performance comparison with HDD and SSD




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