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Should I return my Agility 3? - Page 3

post #21 of 29
Quote:
Originally Posted by Sgtbash View Post

Don't return it.
In short, the benchmarks that you are running cannot utilise the SSD to its full potential due to the Sandforce controller and the way it works.
Basically some users on this site are misguided and will tell you to return it etc (As above) however to see the real speed you should run ATTO disk benchmark, this should give you true performance figures.

What? You are the misguided one here simple because you don't understand how the tests actually work.

The Agility 3's speed is because of compression. It's Sandforce controller has a compression algorithm built in that allows it to read and write faster than the ssd truly can.

One problem with this scenario. All data we encounter in the real world is already compressed to a point. Media such as movies and music are already compressed as small as they can be. Programs are usually compressed about 50%.

The Atto benchmark was designed for a HDD not an SSD. This is because a HDD has no compression algorithm and reads/writes all data the same.

If you took an Intel 520, a Kingston Hyper-x, an Agility 3 and a Vertex 3 and ran Atto and compared them, you'd think there was no difference because the numbers will be the same as they are all Sandforce controller based drives. But because the Agility 3 uses cheaper asynchronous nand, it will fall well behind the others in the real world and in tests using a real ssd bench like as-ssd.
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post #22 of 29
Quote:
Originally Posted by mcg75 View Post

What? You are the misguided one here simple because you don't understand how the tests actually work.
The Agility 3's speed is because of compression. It's Sandforce controller has a compression algorithm built in that allows it to read and write faster than the ssd truly can.
One problem with this scenario. All data we encounter in the real world is already compressed to a point. Media such as movies and music are already compressed as small as they can be. Programs are usually compressed about 50%.
The Atto benchmark was designed for a HDD not an SSD. This is because a HDD has no compression algorithm and reads/writes all data the same.
If you took an Intel 520, a Kingston Hyper-x, an Agility 3 and a Vertex 3 and ran Atto and compared them, you'd think there was no difference because the numbers will be the same as they are all Sandforce controller based drives. But because the Agility 3 uses cheaper asynchronous nand, it will fall well behind the others in the real world and in tests using a real ssd bench like as-ssd.

If you actually read my later post, you would of seen that i said this these figures with ATTo benchmark is what OCZ used to market the drive.

Using other benchmarks do not give the same results because the work differently.
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post #23 of 29
Quote:
Originally Posted by Sgtbash View Post

If you actually read my later post, you would of seen that i said this these figures with ATTo benchmark is what OCZ used to market the drive.

Using other benchmarks do not give the same results because the work differently.

Yep, ATTO = utter crap. smile.gif
post #24 of 29
Your topic is the EXACT same question I had.

I returned my agility 3 and got Crucial M4 256GB

Do it!
post #25 of 29
Quote:
Originally Posted by Sgtbash View Post

If you actually read my later post, you would of seen that i said this these figures with ATTo benchmark is what OCZ used to market the drive.
Using other benchmarks do not give the same results because the work differently.

I did read your other post actually. It was not relevant because you did nothing to correct the misinformation you stated below about "real speed" and "true performance" when this is simply not the case at all.
Quote:
Originally Posted by Sgtbash View Post

In short, the benchmarks that you are running cannot utilise the SSD to its full potential due to the Sandforce controller and the way it works. Basically some users on this site are misguided and will tell you to return it etc (As above) however to see the real speed you should run ATTO disk benchmark, this should give you true performance figures.
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post #26 of 29
Yes to OP question I did. So many issues have been avoided.
 
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post #27 of 29
Thread Starter 
Quote:
Originally Posted by UNOE View Post

Yes to OP question I did. So many issues have been avoided.

Vertex 4 or the Crucial M4?
post #28 of 29
Vertex 4 hasn't had it's first firmware update yet, so performance should see a fair improvement when they get around to it. The M4 has seen about all of the improvements it will get. Use your judgement from there.
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post #29 of 29
I have had the m4 since before the Vertex 4 but even though the Vertex 4 is still faster I would still go with m4 until I see if they have any firmware issues. I know one thing if I had to by one now for a client I would go with m4 but if I had to buy one for myself now I would have a hard time choosing.

The Bsod with the sandforce 2xxx drives was really disapointing for me. I still have a Vertex 2 in another machine and I love it.
 
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