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SSD 830 speed

C

czesiu

Member
Is this normal performance for a Samsung 128GB 830 series SSD as a system drive?
Writes seem to be slow (and always have been)

as-ssd-bench%20SAMSUNG%20SSD%20830%20%202012-03-31%2012-38-09.png
 
Those numbers do seem low to me, I also have the same drive.

Was the drive clean before you installed? (ie new or secure erased)

Try running the Perforance Optimization within SSD Magician. This will force execute TRIM and GC which may help.

Also double check your partition alignment.

Chipset and RST driver numbers would also help.
 
Coup27 said:
Those numbers do seem low to me, I also have the same drive.

Was the drive clean before you installed? (ie new or secure erased)

Try running the Perforance Optimization within SSD Magician. This will force execute TRIM and GC which may help.

Also double check your partition alignment.

Chipset and RST driver numbers would also help.
Click to expand...

drive was new
alignment is ok (105 906 176 / 4096 = 25 856)
After performance optimization sequential write is 220, but that seems to be within error margin
RST 10.6.0.1002
Where can I check chipset drivers version?
 
Run Registry Editor (Start -> Run -> regedit -> enter)

Once in the Registry Editor expand "HKEY_LOCAL_MACHINE"
Next Expand "SOFTWARE"
Next Expand "INTEL"
Click on "Infinst"

On the right hand side there will be two things to look for.
First is to make sure the line that says "Install" has the word "success" next too it (to the right, under "data" ). This indicates the driver was installed correctly.
Next find the line that says "Version", and that will be your version number that was installed.


Also there is a newer RST, grab that from Intels website and install.
 
Coup27 said:
Run Registry Editor (Start -> Run -> regedit -> enter)

Once in the Registry Editor expand "HKEY_LOCAL_MACHINE"
Next Expand "SOFTWARE"
Next Expand "INTEL"
Click on "Infinst"

On the right hand side there will be two things to look for.
First is to make sure the line that says "Install" has the word "success" next too it (to the right, under "data" ). This indicates the driver was installed correctly.
Next find the line that says "Version", and that will be your version number that was installed.


Also there is a newer RST, grab that from Intels website and install.
Click to expand...
chipset @ 9.2.0.1021 ; RST @ 10.8.0.1003 ; ssd magician performance optimization once more and sequential write is ~230-240
 
You want to be running chipset 9.3.0.1019 and RST 10.8.0.1003. Can get both from Intels site.

I have the same drive and a similar Asus Z68 motherboard so our scores should be about the same. I can't post my CDM's right now as I'm on my mates PC which I'm repairing atm.

Aside from partition alignment, AHCI mode being on, using a decent SATA cable and the above drivers being installed then the scores should be there.
 
We'll we're going in the right direction. Did you update RST as well?

If you give me a couple of hours to finish this PC, when I'm back on my rig I'll upload my CDM scores. As our systems are very similar it should provide you with a good comparison.
 
Coup27 said:
We'll we're going in the right direction. Did you update RST as well?

If you give me a couple of hours to finish this PC, when I'm back on my rig I'll upload my CDM scores. As our systems are very similar it should provide you with a good comparison.
Click to expand...
RST is updated.
We are not really making progress, CDM just shows slightly higher numbers 🙂 (as-ssd just measured seq write 225)

Take your time, it took me weeks to post about this problem 🙂
 
I did mention AHCI to him but surely the QD=64 4k score would be a lot lower if AHCI wasn't on?
 
Sorry czesiu it's taken me this long, I've only just got back on my own machine. Here are the only benchmarks I have for mine. I have never used AS-SSD.

CDM_Samsung_830.png


Magician_Benchmark.jpg
 
disabling c-states, speedstep, and making sure to set high-performance power scheme in W7's power mgmt should set you straight.

ram speeds will affect caching speeds and push numbers up as well.
 
Coup27 said:
My RAM is 1333. No point getting anything faster on an i3.
Click to expand...

maybe not.. but I was just pointing out that an identical machine with slightly faster ram will generally produce higher synthetic benchmarks, was all. Not too many benchmarks that don't show benefits from faster ram/caching these days.

PS. he spec's an I5 above. They do respond very well to faster ram. 🙂
 
Our machines are very similar so I'm not sure why his drive is slower than mine. I'm pretty sure I haven't altered c-states or speedstep, not sure if they're on or not. Changing chipset and RST drivers helped so it might be how his system was setup to begin with. I'm a pro ()🙂
 
with c1e, c3, c6 disabled in bios (I would not consider keeping these setting anyway):
Code: 
-----------------------------------------------------------------------
CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo
                           Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

           Sequential Read :   505.744 MB/s
          Sequential Write :   228.523 MB/s
         Random Read 512KB :   355.331 MB/s
        Random Write 512KB :   167.317 MB/s
    Random Read 4KB (QD=1) :    25.570 MB/s [  6242.7 IOPS]
   Random Write 4KB (QD=1) :    69.468 MB/s [ 16960.0 IOPS]
   Random Read 4KB (QD=32) :   307.818 MB/s [ 75150.9 IOPS]
  Random Write 4KB (QD=32) :    66.221 MB/s [ 16167.3 IOPS]

  Test : 1000 MB [C: 58.1% (62.6/107.7 GB)] (x1)
  Date : 2012/04/08 23:14:00
    OS : Windows 7 Home Premium Edition SP1 [6.1 Build 7601] (x64)



c1e on; c3, c6 auto:

Code: 
-----------------------------------------------------------------------
CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo
                           Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

           Sequential Read :   473.042 MB/s
          Sequential Write :   235.741 MB/s
         Random Read 512KB :   322.505 MB/s
        Random Write 512KB :   194.793 MB/s
    Random Read 4KB (QD=1) :    23.732 MB/s [  5794.0 IOPS]
   Random Write 4KB (QD=1) :    67.446 MB/s [ 16466.3 IOPS]
   Random Read 4KB (QD=32) :   301.371 MB/s [ 73576.8 IOPS]
  Random Write 4KB (QD=32) :    76.146 MB/s [ 18590.3 IOPS]

  Test : 1000 MB [C: 58.1% (62.6/107.7 GB)] (x1)
  Date : 2012/04/08 23:21:29
    OS : Windows 7 Home Premium Edition SP1 [6.1 Build 7601] (x64)

Power scheme is high-performance

I don't think RAM can be a bottleneck for SSDs, yet 😛
 
C states obviously have an affect on performance. I will check mine next time I reboot.

All of your read scores are fine, but write scores are all lower.

Unless you are prepared to secure erase and start over I don't know what else to suggest..
 
Coup27 said:
C states obviously have an affect on performance. I will check mine next time I reboot.

All of your read scores are fine, but write scores are all lower.

Unless you are prepared to secure erase and start over I don't know what else to suggest..
Click to expand...

secure erase... wouldn't that (potentially) work even if I just backup the whole partition, erase and restore?
 
Yes it would, but with active TRIM and GC and you've also used the SSD Magician performance optimization feature, if you simply restore your current image onto the SSD it's likely not to change anything.

You were previous running old chipset and RST drivers so are you sure you have a nice clean install of Windows 7 with correct alignment, correct optimization features (superfetch, prefetch etc) and the latest drivers all round? Thats more what I was suggesting.
 
I just checked mine and EIST is enabled. Also my C1E, C3 and C6 are all on auto.

Tbh I'm probably going to leave them that way. I rarely tax my machine to the full and more enjoy a generally fast and quiet machine, hence my decision to go with an i3-2130.
 
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