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Sandforce vs Marvell

post #1 of 15
Thread Starter 
Can someone explain the pros/cons of each of these?

I hate to be a PITA but I'm trying to wrap my head around this whole SSD thing before I make a purchase.

Some of the stuff I want to know is stuff like does one play better with certain southbridges? Is one better for an boot/OS/App usage than say personal file usage? Does one handle certain drive sizes better? Stuff like that.

I'm looking at the Crucial C300 but that has the marvell controller but every search I make, people are talking big about the sandforce and that makes me look at the OCZ vertex 2 again.
    
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post #2 of 15
Great question! Someone with knowledge about SSD please respond, I'd like to know as well!
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post #3 of 15
At the beginning the Marvell controller was..well..****tt. Now, on the C300 is it quite simply the best controller..or really drive that you can get. Yes, better than sandforce.

I will discuss file sizes and SSDs performance..for maybe the thousand time tongue.gif

To make it really simple you have big file, like a movie or something and smaller files like..a small files...DLLs etc. The big advertised numbers you see are sequential writes/reads..also known as big file read/writes. Now, while these may be important, they are no where near as important as the smaller files read/writes, also known as 4k speeds. The companies just advertise the sequential read/writes since they are the ones that reach the highest speeds, but they are not as important so it is kinda like they are misleading you..no, they are misleading you.

So, for the most part the SSD, as an OS drive will do far more 4k read/writes than sequential. This is simply because there are more smaller files than big ones. If you look at a program..what ever it may be, firefox, quicken, windows, my little pony the game, you can see that they are made up of smaller files instead of just 2 or 3 huge files. This is kinda why 4k writes/reads are more important than sequential.

The C300, the SSD that uses the new Marvell controller has the fastest 4k read/writes of all. This is why it is simply the best SSD out today. Yes, the sandforce might have faster sequential writes sometimes, but how many times do you write on an OS drive..once when you install and maybe a few other times, not near as much as when you read.

I am just getting long winded and it seems like I am blabbering, but to make it simple, 4k read/writes are more important since that is what the drive does far more often than sequential read/writes. The C300 has better 4k reads/writes than all thus it is KING SSD.

If you want me to explain more I will be more than happy to do so smile.gif
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post #4 of 15
i got one
is there a difrence betwin the difrent sizes of the C300 ?

like is the C300 256GB better then C300 64GB ?

sorry for the eng frown.gif
post #5 of 15
Perfect English besides spelling tongue.gif

Very good point though. The C300s are the only one I know of that changes specs/performance according to what capacity it is.

Currently, there are 3 capacities, 64GB, 128GB and 256GB. All of the reads are all the same, 355MB/S sequential in SATA6G or 265MB/s sequential for SATA3G. As for the sequential writes they are 70MB/s for the 64GB, 140MB/s goes to the 128GB and 215MB/s for the 256GB drives.

The only other things that changes are the 4k IOPS. The 64GB get 15,000 IOPS, the 128GB produces 30,000 IOPS and the 256Gb gets 45,000 IOPS.

As far as that the 4k IOPS and the sequential read speeds, they are all the same. The 4k reads are close if not 30MB/s which is the top in the industry.

Here is my 128GB C300 that you can compare to other drives to see how they perform against it.

SSD-006.png


Once again, I will answer any other questions you may have smile.gif
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post #6 of 15
thx + rep

in real world any noticeable performance between the sizes ?
post #7 of 15
Honestly, I wouldn't know. I wouldn't spend any extra money by getting one size just for the extra speed. I would just get what you think is necessary smile.gif
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post #8 of 15
isn't that depend on how much extra money i need to add for the extra size ? lol
after all for W7 all i need is 64GB smile.gif

at any case here the praises where i live :
64GB = 247$
128GB = 328$

dose extra 81$ worth the extra speed ?

and thx for all the help biggrin.gif
OP sorry for kidnapping your post
post #9 of 15
I can only tell you based on what you do. How much space do you use on an os drive? What do you use it for?

Those are high prices compares to here, but the gap is smaller. I would take a stab at the 128GB, but that's just me smile.gif
Edited by maximus20895 - 12/26/10 at 12:44pm
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post #10 of 15
ok thx

wonder if it gonna be a worth update from my INTEL SSD
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