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Software & More => Computer Problems, Questions and Solutions! => Topic started by: ChuckRJr on June 07, 2018, 03:27:50 PM

Title: Windows Experience Index
Post by: ChuckRJr on June 07, 2018, 03:27:50 PM
I found the Windows Experience Index while looking around. 2 of the 5 items were 7.5 and 2 were 7.9 and the Disk Transfer Rate was 6.9.
My Primary Drive is KINGSTON SNVP325S2128GB ATA Device (SSD).

It has an H: sector of 100mb which is at 99mb. The C: is 52gb used of 119gb.

Why should Transfer Rate be so out of line?

Any suggestions?


I received a reply on SysNative "I use HD Sentinel to check whether trim is really active"  The referenced program that is supposed to check this "Hard Disk Sentinel" didn't seem free and seemed old.

Is it true Trim Enable does not mean it is executing on the SSD?
Title: Re: Windows Experience Index
Post by: Aaron Hulett on June 07, 2018, 05:23:21 PM
Those numbers are not worth valuing that much. It was meant to help more easily tell the performance difference between machines, such as when looking to buy a laptop and you needed an easy way to compare performance. I believe Windows 7 was the last version that included Windows Experience Index numbers from control panels's system view.

I also wouldn't say the 6.9 rating is "out of line". Unfortunately these subscores don't give a real measurable way to tell what's going on. In the case of a storage disk, read and write rates (in MB/sec, for example) give something worth measuring and comparing.

In other words, I wouldn't be worried about Windows Experience Index numbers.

Trim is not something that runs all the time. Windows (or whatever operating system you're running, as long as it supports TRIM commands) will tell the SSD when to Trim the drive. If memory serves, Windows 7 and later enable this automatically for SSD drives, and there's nothing more for you to do.

Regards,
Aaron
Title: Re: Windows Experience Index
Post by: ChuckRJr on June 07, 2018, 05:59:10 PM
I was more interested in what seemed like a discrepancy. I agree the actual numbers may not hold much value.
Yes, I understand it is Enabled in Windows 7.  I was looking into the statement that it may not actually run.
Title: Re: Windows Experience Index
Post by: satrow on June 07, 2018, 08:19:11 PM
A 'bad' SATA driver will prevent TRIM signals reaching the drive (details linked at the Sysnative post earlier and experienced by myself on 2 chipsets with both W7 and W10AU), they can also prevent the SSD firmware from being updated.

HD Sentinel has a freely available trial version.
Title: Re: Windows Experience Index
Post by: Aaron Hulett on June 08, 2018, 01:52:30 AM
I don't see a discrepancy. There's no "everything should be 7 across the board" sort of rule going on.

You'll know if TRIM isn't running; the drive will *c*r*a*w*l*. I've been there (had an SSD that didn't have TRIM support enabled in the firmware it shipped with).