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Intel DX79SI LGA2011 Desktop Motherboard E-mail
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Written by David Ramsey   
Sunday, 13 November 2011
Table of Contents: Page Index
Intel DX79SI LGA2011 Desktop Motherboard
The Intel X79 Express Chipset
Closer Look: Intel DX79SI Motherboard
DX79SI Detailed Features
Motherboard Testing Methodology
AIDA64 Extreme Edition Tests
PCMark Vantage Tests
CINEBENCH R11.5 Benchmarks
CPU-Dependent 3D Gaming
PassMark PerformanceTest
Media Encoding Benchmarks
SPECviewperf 11 Tests
SPECapc Lightwave
Blender and POV-Ray
X79 Express Motherboard Final Thoughts
Intel DX79SI Conclusion

SPECapc Lightwave

SPECapc (Application Performance Characterization) tests are fundamentally different from the SPECviewperf tests. While SPECviewperf tests incorporate code from the various test programs directly into the benchmark, the SPECapc tests are separate scripts and datasets that are run against a stand-alone installation of the program being benchmarked. SPECapc group members sponsor applications and work with end-users, user groups, publications and ISVs to select and refine workloads, which consist of data sets and benchmark script files. Workloads are determined by end-users and ISVs, not SPECapc group members. These workloads will evolve over time in conjunction with end-users' needs and the increasing functionality of PCs and workstations.

For this test, I ran the SPECapc "Lightwave" benchmark against a trial installation of Newtek's Lightwave 3D product. The benchmark, developed in cooperation with NewTek, provides realistic workloads that simulate a typical LightWave 3D workflow. It contains 11 datasets ranging from 64,000 to 1.75 million polygons and representing such applications as 3D character animation, architectural review, and industrial design. Scores for individual workloads are composited under three categories: interactive, render and multitask.

The benchmark puts special emphasis on processes that benefit from multi-threaded computing, such as animation, OpenGL playback, deformations, and high-end rendering that includes ray tracing, radiosity, complex textures and volumetric lighting. The test reports three scores: Animation (multitasking), Animation (interactive), and Rendering. The numeric scores represent the time it took to complete each section of the benchmark, in seconds, so lower scores are better.

I've found the SPECapc Lightwave 3D test to be an excellent indicator of overclock stability. In many cases, overclocked systems that will make it through every other benchmark here will crash in this test. It's also one of the most "fun" benchmarks to watch, as multiple windows with various complex rendering tasks appear and disappear on your screen.

specapc.png

These results illustrate how much difference benchmark configuration can make. SPECviewperf uses embedded code from Lightwave, while SPECapc is actually just a set of scripts that control a standard Lightwave installation. Note that in SPECviewperf's Lightwave section above, the 2600K returned the best performance numbers, while in SPECapc, the Sandy Bridge Extreme wins.



 

Comments 

 
# RE: Apple iPad Multi-Touch Tablet Device LaunchedDevan 2010-02-17 09:02
where is the pictures?
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# RE: Intel DX79SI LGA2011 Desktop MotherboardWade Eilrich 2011-11-14 22:02
I've not been impressed with an Intel motherboard for a long time, but this one - especially paired with the new, screaming fast Sandy Bridge CPU, might change my mind once they release a stable BIOS. I'm a little disappointed that they removed Smart Response because I think many enthusiasts will want to boot from an SSD in this system. The upcoming i7-3820 (Q1 2012) is an interesting alternative, if the price point is reasonable. As always, your reviews are an excellent read David (although I do miss some of the tongue-in-cheek humor) :)
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# RE: RE: Intel DX79SI LGA2011 Desktop MotherboardDavid Ramsey 2011-11-17 10:04
Wade, you can boot from an SSD with no problem; it's using an SSD as a cache for a hard drive that's no longer directly supported. Third parties like ASUS have added their own SSD caching features to their X79 motherboards. Dunno why Intel dropped the feature...
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# light and confortableCHARLEYAM 2011-11-15 11:20
looks like you guys have out done yourselfs. I know alot of people (gamers) have overlooked you boards in the past but you always had high end boards I guess you never had to advertise people who know got them.. this is one sweet mb and at my next build this would be the building block I would start with
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# very good but not a huge leapReSeRe 2011-11-17 05:59
1st, nice review once again.

i must say in the beginning that i-ll be a little biased, cause i do own an 990X.
So, it looks that Intel achieve full maturity with this type of processors (let-s call it I7 class). And not very distant from the end. Which may be not a good part for buyers. but,
on the other hand this means reiability, trust, and so on. Now, the efforts go in MB/3rd party enhancements.
good.
and , i think if today you own an 980X/2600k or around, you can stay relaxed 2 or more years. Also, I DO HOPE its a good time for AMD to catch the train. I hate/worry about monopoly. and the new amd CPU give us a little hope. good.
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# No comparison!Teemu Milto 2011-11-28 08:28
You just reviewed the processors, and possibly even were compromized by your different GPU and memory set-ups. No comparison of motherboards means that nothing can be said about the performance of Intel DX79SI LGA2011 Desktop Motherboard .
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# RE: No comparison!David Ramsey 2011-11-28 09:00
I used the same hard drive, GPU and memory for each motherboard, with the exception of the DDR3-1866 RAM used on the AMD system. You'd know this if you'd bothered to read the "Motherboard Testing Methodology" section. The stated purpose of these tests was to see how Intel's latest platform compares against the best existing AMD and Intel platforms.

If you want to see how the Intel DX79SI compares against other X79 Express motherboards, read my "X79 Express Motherboard Performance Comparison." But do try to pay attention this time.
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# re re no comparisonbigguy 2012-03-17 04:17
Haha good for you David for calling someone who merely skims your site/reviews and has the nerve to start trying to undermine it all. There's meds for this kind of thing....
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# Account managerGeorges Al tawil 2012-11-19 03:27
David i Have a question does the Mother board DX79SI support Lynux sound card " LYNX 192Hz " ??

your prompt return will be highly appriciated .
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# RE: Account managerDavid Ramsey 2012-11-19 07:20
I have no idea. I've never heard of that sound card and (obviously) don't have one to test.

That said, there's nothing magic or different about the X79's PCI-E slots, nor is software on that level any different, so if the card works in the PCI-E slots of any other motherboard, it should work fine in this board.
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