Intel 750 PCIe SSD 1.2TB Slow Benchmarks on CrystalDiskMark??

[TScha5]

Is anybody getting slow speeds with the Intel 750 SSD after updating to the Intel NVMe Drivers? I'm not positive that the speeds I'm getting are, in fact, slow but I have posted some pics below along with a comparison pic of a https://www.youtube.com/watch?v=JMSq8nmDTO0 video on YouTube by Asus and Intel where their speeds are much greater for some of the tests. I believe I set the test correctly. I set it to 3 (not sure what that is) and 8GB (not really sure what that is either but they say to do that in the video). Just looking for any input or ideas... And maybe I'm just being overly neurotic about the numbers matching exactly but in some cases their numbers are literally double what mine are, and I have the Intel NVMe drivers installed...soooooo....not sure what to do, or if there even is anything I can do at this point...????

PC Build:

CPU: i7-6700k Skylake

MoBo: GA-Z170X Gaming 7 Gigabyte Motherboard (BIOS: F6b)

RAM: 16GB G.Skill DDR4

Primary Drive: Intel 750 PCIe SSD 1.2TB (Intel Driver 1.3.0.1007 (Latest))

Secondary Drive: 8TB HGST UltraStar HDD 7200RPM

This was the test prior to installing Intel NVMe drivers.... (my apologies for the sideways pics....)

This is after installing Intel NVMe drivers......

HOWEVER, if you look at the benchmarks from thehttps://www.youtube.com/watch?v=hxpwmrmw6jI Intel 750 Interview by Intel and Asus on YouTube....at 20:15 their speeds are significantly higher for Seq, 4k, and 4kQ32T1.....

As you can see, their 4K Reads/Writes are double mine. And the "Seq" numbers are significantly greater as well.

I believe I have installed the proper Intel NVMe drivers but I took some pics just in case... from reading other posts here at the Intel Community Forum I realized I was initially looking in the wrong place b/c I was thinking I couldn't get the Intel drivers to install b/c I was looking at the disk drive details..like below...

So I looked at the Storage Controller in Device Manager...

So I guess my question is why am I getting such slow speeds if I've done everything I can to get this working right.....??????????? Any ideas..??

Thanks,

Tyson

[jbenavides]

Hello tysoncreative,

Intel® SSD performance is tested withhttp://www.iometer.org/ IOmeter*, since it allows the configuration of the test to take advantage of the drive technology. The expected performance can be located in page 8 of the http://www.intel.com/content/dam/www/public/us/en/documents/product-specifications/ssd-750-spec.pdf Intel® SSD 750 Series Product Specifications.

You can find information about benchmarking for your drive in the document: http://download.intel.com/support/ssdc/hpssd/ssd-750/sb/intel_ssd_750_series_evaluation_guide_332075... Intel® SSD 750 Series Evaluation Guide.

There are many tools used to measure drive performance and CrystalDiskMark is one of the different tools available. This is not a tool we normally use, so we cannot refer to the methods and results of those tests.

I noticed a difference in the pictures from your test, and the ones from the benchmarking video. Your test says "4K Q32T1" and their test shows "4K Q32T8". Doing a quick check online this indicates your test is made with 1 data thread, and their test uses 8 threads. The 750 benefits from multiple threads in some cases (for example, the advertised performance is obtained with Queue Depth 32 and 4 threads), so you might want to check in the software documentation if it is possible for you to change this.

[nbocc]

jonathan_intel wrote:

Intel® SSD performance is tested withhttp://www.iometer.org/ IOmeter*, since it allows the configuration of the test to take advantage of the drive technology.

Jonathan,

You can't say that when there is a Newegg Tv youtube (4-15-15) with Intel employees showing off the drive performance using CrystalDiskMark.

Tyson,

I have a 400GB Intel 750 connected to a Asus Maximus VIII Impact via U.2. I'm guessing our results are different from the youtube video's due to our data being routed through the Z170 PCH. Those youtube videos were pre-Z170 release and the Intel 750 was being served by 4-Gen 3.0 CPU lanes. Their test setup probably reduced their graphics card to 8-Gen 3.0 CPU lanes to give 4 to the drive. Our chipsets keep the graphics card at 16-Gen 3 CPU lanes but route the intel 750 over the pch adding latency. My test results were worse than yours but I'm not near my desktop to share right now. This is an interesting topic and some input from intel would be of value.

[TScha5]

That's some in depth analysis there brother. Honestly I had to do a little research just to understand what you're talking about lol.. I'm a bit of a noob when it comes to PC Builds and hardware. I'm a web design/shopping cart guy so I focus on software more. But yes I basically get the gist of what you're saying and it sounds like you're on to something there. Lord knows I had a helluva time building this thing b/c there was no documentation for the Z170 chipset. Everything was based off the previous CPU to Skylake and the X99 I believe..?? But that's why I waited for the Skylake to come out b/c I knew that would be the fastest possible combination and best build I could possibly make....meaning that instead of a mere 6 months to obsolescence I now have a year.

Hopefully Intel will do some more research and testing with this configuration now. Hint Hint Nudge Nudge Wink Wink Intel.... I'm sure many of us would like to see what kind of results you guys get with the Intel 750 and the i7-6700k CPU and Z170 chipset.

Thanks for the help Nicholas1,

Tyson

[TScha5]

Nicholas, I've done some research on the PCIe lanes available to us with our current configuration and it seems to me that the Intel 750 SSD should have at least 4 Gen 3.0 PCIe lanes available to it if all we have connected is one graphics card consuming 16 lanes because from what I read the i7-6700k has 20 lanes of gen 3.0 available. So I'm just deducing that if the GPU gets 16 of those and I have the Intel 750 connected to the bottom slot (PCIe x4) then it is using those 4 lanes. I don't have anything in the middle PCIe x8 slot.

Is that not right? Why would it be routed over the PCH?

I should preface that I'm a noob when it comes to hardware and I barely understand PCIe as it is. I mainly got this info from some articles I read...

"Z170 expands support to 20 lanes of PCI Express 3.0 with 8Gbp/s of bandwidth each."

Read more: http://www.digitaltrends.com/processor-reviews/intel-core-i7-6700k-review/# ixzz3rjw70drD http://www.digitaltrends.com/processor-reviews/intel-core-i7-6700k-review/# ixzz3rjw70drD