OCZ Vertex 2 - 34nm NAND versus slower 25mm 64Gbit NAND

Discussion in 'Storage & Backup' started by scottath, Feb 16, 2011.

  1. scottath

    scottath Member

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    credit - eva2000 (Above is quoted from his thread on i4memory - http://i4memory.com/f9/ocz-vertex-2-34nm-nand-versus-slower-25mm-64gbit-nand-28370/)

    I have recieved one of these new drives and the performance is lacking somewhat:
    Results form drive - format installed windows on drive (whilst in laptop) and ran tests with drive attached as a storage drive for my sig rig:
    [​IMG]

    OCZ (from their forums) seem to be offering a "upgrade" from the 25nm 64Gbit to the 32Gbit - but this will only help with raid configs and will recover some space on the drives (eg - formatted capacity of my drive is 51.24gb - so there is a large chunk missing as it should be ~56.8gb

    I didnt see anything on this issue on OCAU so i thought id post it here too.

    scottath

    EDIT: review of the 32nm vs 25nm 60gb Vertex 2:
    http://www.storagereview.com/ocz_vertex_2_25nm_review_oczssd22vtxe60g
     
    Last edited: Feb 16, 2011
  2. DiGiTaL MoNkEY

    DiGiTaL MoNkEY Inverted Monkey

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    Unfortunately it seems like it's a transition they eventually had to make. I assume once 25nm matures some bit, we'll get the performance back.
     
    Last edited: Feb 16, 2011
  3. OP
    OP
    scottath

    scottath Member

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    yea - it was kinda inevitable - but to continue selling the new drives under the vertex 2 banner is rather wrong....its them benifiting from the old drives performance to sell the new lower end drives......
    For this particualar drive i dont mind as much as its for my laptop - sata 1 for a start - but thats not the point
     
  4. DiGiTaL MoNkEY

    DiGiTaL MoNkEY Inverted Monkey

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    While i'll assume there is a difference, are there any links to someone who has tested both 34nm and 25nm drives on the same rig, same drivers, no data, same controller? As all i seem to find are mixed results trying to be compared to these new drives, and plenty of inconsistencies.

    I'm curious as i recently picked up a 120GB Vertex 2 as well as some other toys.
     
    Last edited: Feb 16, 2011
  5. OP
    OP
    scottath

    scottath Member

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  6. DiGiTaL MoNkEY

    DiGiTaL MoNkEY Inverted Monkey

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  7. tertle

    tertle Member

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    While synthetic benchmarks are significantly worse, it doesn't seem that real-world performance is that much different, and they have a nice 10% power reduction.

    Real issue is just the shady marketing.
     
  8. doodz

    doodz Member

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  9. HeXa

    HeXa Member

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    heh... was about to order one for $139 from PCCG but thought I should check some recent reviews.... needless to say I found those SR and OCZ forum threads very enlightening :lol:

    now to decide whether Patriot, Corsair or g.skill :(
     
  10. doodz

    doodz Member

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    Intel are going to release their New SSD G3's next month. Id wait for them.
     
  11. IncredibleBulk

    IncredibleBulk Member

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    That's the issue I have at the moment... I bought two yesterday (one for my server and one for the wife's laptops) and all I've found is synthetic benchmarks. No-one has really put a "real world" indication of what sort of effect the new chips have on performance when compared to traditional hard drives
     
  12. HeXa

    HeXa Member

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    ooo... cheers.... will do :)

    just need a boot drive for a new SB boxen.... time to retire the SAS drive
     
  13. OP
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    scottath

    scottath Member

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    the link i posted at the bottom of the OP had some "real world"ish tests.
    itsthe only review ive found comparing the old and the new.
     
  14. Alba

    Alba Member

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    Just did a test between a Corsair Force 60GB and OCZ Vertex2 60GB.

    Not good for the Vertex2 in the write department, actually neither of them live up to the numbers on the box, both say max 285MB/s read, 275MB/s write, up to 250MB/s sustained write. The Vertex2 only manages 20% of the write speed that is specified on it's box.
    My now old G.Skill Falcon II's when new did 250MB/s read and 220MB/s write, and on their box it says 220MB/s read, 150MB/s write. So in comparison, both the Corsair and the OCZ are a huge disappointment, but more so the OCZ.

    The Vertex2 I have is a 16x32Gbit 25nm, 55.7GB formatted.
    The Corsair I assume is the older and faster 34nm Nand IC but still 16x32Gbit.
    The Corsair also feels and looks like it's better built.

    For the same money, this is a non contest, the Corsair wins hands down.


    [​IMG]
    [​IMG]
     
  15. Sektion8

    Sektion8 Member

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    I've never ran tests on my OCZ Vertex2 60GB, or flashed it either. Just been too busy, and it runs fast.

    But how-fast... I dunno. Most things seem FAST, but maybe it's the "placebo effect". Win7 loads FAST, but it's a fresh & always-clean install... so maybe it'd run similar on a 7200rpm HDD, ya know.
     
  16. Renza

    Renza Member

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    ok, so i have 4 60gb vertex 2 drives here, running the 64gbit 25nm nand.

    as i take it, if i move to the 32gbit nand, i increase the number if ICs, and thus the number of channels, and i should see an increase in iops?

    or is the difference likely to be negligible?
     
  17. Danthemanz

    Danthemanz Old School Admin

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    The controller needs to have the channels to get anything from it.
    You would have 8x8GB already.
     
  18. Renza

    Renza Member

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    yeh but it seems 120gb models have 16 nand chips, and they do see better performance than the 60gb

    OCZ has stated that performance should increase with 16 nand chips, and that a firmware update should be available to further increase performance
     
  19. Zedd02

    Zedd02 Member

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    Apparently this is the speed OCZ expects from these drives. They have an AS SSD page on their website and it states basically what your tests say. Mine is much the same. So, meh.
     
  20. OP
    OP
    scottath

    scottath Member

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    and yet on the box it still states the 275MB/s or whatever it is (not at home atm)
     

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