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I thought Windows 8 was more suited for SSDs?

post #1 of 18
Thread Starter 
I thought that Windows 8 has built in optimization for SSDs, but when comparing, I get way better scores in Windows 7 than on Windows 8.1...

the most noticable difference is in the 4K Write speeds

what gives?


Windows 7:

2md416q.png


Windows 8.1:

2cmn6s9.png
Edited by MaXimus666 - 4/21/14 at 6:37am
post #2 of 18
It's an invalid test.

You must run AS SSD on Windows 8 to see if it's faster because they use different methods to bench your SSDs.
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post #3 of 18
Thread Starter 
Quote:
Originally Posted by Ecchi-BANZAII!!! View Post

It's an invalid test.

You must run AS SSD on Windows 8 to see if it's faster because they use different methods to bench your SSDs.

I have, post edited, kindly advice me what to do
post #4 of 18
Different drivers on both tests.
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post #5 of 18
Thread Starter 
Quote:
Originally Posted by eXXon View Post

Different drivers on both tests.

I noticed that too and I'm confused, I used the Intel Chipset Drivers 9.4.0.1022 for both Windows 7 and Windows 8.1 but 8.1 shows storahci I don't know where that came from frown.gif
post #6 of 18
msahci is the default driver that comes with Windows.
Storahci is the supposedly new and updated version.
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post #7 of 18
Were you also running the Intel RST driver with both installs? The Intel RST driver is separate from the Intel chipset driver.
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post #8 of 18
You're benchmarking RAM in addition to the SSD.

You have Samsung's RAPID feature enabled (look at those 4K writes).
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post #9 of 18
Thread Starter 
Quote:
Originally Posted by wevsspot View Post

Were you also running the Intel RST driver with both installs? The Intel RST driver is separate from the Intel chipset driver.

no IRST gave me half the scores so I stopped using it and only installed the Intel Chipset Drivers

seems like windows 8.1 comes with the storahci vs. the old msahci which gave me better performance

check this thread:

http://forums.overclockers.co.uk/showthread.php?t=18514899

I don't know what to do now frown.gif
post #10 of 18
You have Samsung "RAPID" enabled, don't you? Disable it and compare again.

That RAPID software is suspicious. It's not clear at all if it's actually any better than the Windows cache by itself. Windows will fill all of your RAM with data from the drive. It will pretty much never delete anything cached in RAM until some program needs more memory, only then something gets overwritten. If you think about that behavior, what's there to improve? It sounds like it can't work any better.

If you look up benchmarks of RAPID, you will notice that tests with actual programs do not run any better with RAPID compared to without. The only thing that gets improved is things like AS SSD.

I think what's happening with RAPID is simply that a program like AS SSD knows how to disable the Windows cache and test the actual drive, but it does not know how to do that for RAPID. I'm basically saying that RAPID is causing those numbers you see to be fake, AS SSD is not testing the actual drive at all.
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