Sager 5760 Memory Speed Tests slow?

I always run my computer through the computer tests at pcpitstop.com.
Well tonight was the first time I tested my 5760 and I received one
strange result as listed below:

"Unusually low memory performance"
Memory performance of this system 4017 megabytes per second, is significantly lower than average. Systems with the same processor and amount of memory typically perform at a level of 5437 MB/s.

I see no way of playing around with the memory settings in the bios because sager has it all locked up. Any thoughts if this is a problem? ....Thanks.

 

Perhaps someone else with an NP5760 or similar-specification notebook can run the test and compare. Could you post a link to the test?

I'm wondering if the computers they are comparing yours to are desktops . .

 

Hi Chaz,

The tests I ran are located at http://www.pcpitstop.com/pcpitstop/default.asp

I just ran the tests again and received the same value of 4,017 MB/s for the Sager 5760.

Just for comparison, I still have my 3 year old Sager 8886 running so I ran the tests and I got 6,031 MB/s.

So my old laptop, as far as memory speed is concerned, is 50% faster. Of course the video and cpu are so much faster that my new 5760 still blows the old 8886 away but something's not adding up here in regards to the memory?

 

My 5760 scores Speed Rating 7770 MB/s for Memory. Maybe try some other memory testing software as I don't really trust online pc benchmarking.

I'm using 2GB of memory: 1 x 1GB 667Mhz and 1 x 1GB 533Mhz.

vetrun

 

Try SiSoftware Sandra Lite 2007:
http://www.sisoftware.co.uk/
And run those memory benchmarks. Online tests are probably not that reliable as posted.

 

I tried Sandra Lite 2007:

Got the similar results --> 3951 MB/s.

The program gave me the following tip:
Notice N5405 - System bandwidth appears to be FSB limited. Generally this means that FSB bandwidth is < 50% total memory interface bandwidth, thus memory bandwidth is wasted. Some systems use the additional bandwidth for built-in video (if applicable) if video memory is shared with system memory.

Fix: Attempt to increase FSB (keep memory bus speed constant) to increase FSB bandwidth and thus improve overall bandwidth performance.

Have no clue how to mess around with the FSB as the BIOS is pretty much locked down in the 5760. Not sure how to fix this. I could call powernotebooks.com but not sure how I would explain this to tech support.
Confused at the moment...

 

Yeah I wouldn't touch all the BIOS settings in a laptop. Too much at stakes . Can you check up what memory is installed, usually you'll find this in the BIOS, or at the startup. Make sure it's DDR2-667.

I'll d/l Sandra and test my memory to see.

Mmmm, 6Mb/s for a 3 years old laptop seems a bit high. Sandra reports around 3.5Mb/s only for my 5760 (with all app loaded and process runnings).

My possible explanations:

• Right maybe it's FSB limited. Remember this is a laptop. Never noticed what is the FSB speed on this chipset... 800Mhz?
• Memory timings. They are incredibly high. Sandra reports 5-5-5-15, which is slowest thing you can get for DDR2.
• For a 2 gigs system, all 4 banks are filled. Perhaps 1 stick or 2 could improve bandwith
• Finally, perhaps Sandra is not optimized for dual core processors.

Having troubles playing games? System is not fast enough? , if answer is no to these questions, memory bandwith should be no concern lol.

 

p_boucher

Thanks for testing your 5760. Looks like you got a similar score. The FSB on this chipset is 667 Mhz.

Sandra also reports 5-5-5-15 for my memory as well. Seems like these laptop manufactures set everything at the safest settings to help avoid service calls. Still, it would be nice if they would at let us play with the bios settings.

Oh well, I agree with your conclusions, memory bandwidth should be no concern because the system sure is fast enough!!

It's the geek in me that complicates my life, lol.

 

Laptop memory sticks always have slower timings than desktop sticks.

Even if you could change the timings, the only place you're going to see a difference is in memory benchmarks. Real-life performance change is probably not even gonna be noticeable.

 

did you by any chance install your own memory, or did you get stock memory from sager? you might wanna make sure your RAM is working at 667MHz or at least 533. also make sure the RAM is working in dual channel?

 

Haha, I know what it is. I especially bought a laptop as a cure for this .

 

Your chipset determines what memory timings are supported.
So the fastest your memory will run is at what you got. Desktops usually have more headroom to overclock.

Ron