Core i7 980X doesn't seem much faster than Core i7 860?

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Mars999

Mars999

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Jan 12, 2007
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I just seen some benchmark on pchardware.com? about a 980x and it wasn't much faster than the Core i7 860? Now I am not sure if the 980 was running at full speed or not... But what has anyone else heard?

Thanks
 
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alyarb

Platinum Member
Jan 25, 2009
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the turbo modes on both the 980 and 860 ensure that for the majority of programs, the chips provide about the same performance. Most programs can only run on one or two cores, and the i7 clocks up to the mid-3 GHz range in these situations as long as the thermal budget permits it. The only scenarios where you would see the 980 perform significantly faster than the 860 would be heavy floating point/SIMD apps, video encoding, physical modeling, graphical modeling, cryptography, etc. besides the hardware AES acceleration and 32nm manufacturing process, both CPUs are practically identical except one has 2 additional cores and a larger cache. In programs that use only a few threads, you should expect very similar behavior.
 
Hey Zeus

Hey Zeus

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Dec 31, 2009
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Blasphemy!!!! Tho shall not take the lord's name in vain!!!!!!!

"Bows Before Gulftown"
 
Mars999

Mars999

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Jan 12, 2007
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Well I guess it makes no sense to build a new rig, when the 980x comes out, since I have a P55 i7 860 now.
 
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Lonyo

Lifer
Aug 10, 2002
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Mars999 said:
Well I guess it makes no sense to build a new rig, when the 980x comes out, since I have a P55 i7 860 now.
Click to expand...

It only makes sense if you are using heavily multithreaded apps which can take advantage of the extra cores/threads.
That's pretty much always been the case with any new CPU that's based on the same architecture as an existing one, but with more cores (e.g. Core 2 Duo vs Core 2 Quad), only this time it's only 50% more cores/threads.

Unless you're looking to do time-intensive encoding or calculations etc, 980X isn't going to be particularly worthwhile in the near future.
 
Zebo

Zebo

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Jul 29, 2001
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no such thing as pchardware.com - do you have a link? Oh and 860 is the only thing worth buying at high end...wish I waited.
 
andy5174

andy5174

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Dec 27, 2009
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Zebo said:
no such thing as pchardware.com - do you have a link? Oh and 860 is the only thing worth buying at high end...wish I waited.
Click to expand...
Agree.

Only not so smart people would get LGA1366 when there's already LGA1156 i7 which beats the 920 in almost every cases.
 
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PCboy

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Jul 9, 2001
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andy5174 said:
Agree.

Only not so smart people would get LGA1366 when there's already LGA1156 i7 which beats the 920 in almost every cases.
Click to expand...

1366 > 1156 in the enthusiast market. P55 gets murdered when Tri-SLI/Tri-Crossfire comes into play.

Test system configuration: http://www.tomshardware.com/reviews/p55-pci-express-scaling,2517-2.html

Same clocks

image027.png

image022.png

image023.png
 
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lopri

lopri

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Jul 27, 2002
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When will people realize that main rendering of a game has always been a single-threaded task? What they have been doing is off-loading other stuff outside the main branch or doing things in a brute-force fashion. Note that I am not saying the 'other stuff' doesn't add to better gaming experience because they do. And with lots of processing power, brute-force will certainly improve performance. But when it comes down to it, the game doesn't know where you turn the camera next second or which of the bad guys you will shot.
 
andy5174

andy5174

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PCboy said:
1366 > 1156 in the enthusiast market. P55 gets murdered when Tri-SLI/Tri-Crossfire comes into play.

Test system configuration: http://www.tomshardware.com/reviews/p55-pci-express-scaling,2517-2.html

Same clocks

image027.png

image022.png

image023.png
Click to expand...
I had read that article too. Why do you skip the charts that show P55 is better? How many of us will do 2 way CF, not mentioned to 3 way CF. P55 FTW with one card(thanks to the on die PCIE controller) and only slightly worse with 2 way CF/SLI.

BTW, X58 system is 52.7% more expensive than the P55. Do you also get 52.7% performance gain? No, what you get is merely 4~5% performance gain when compared to i5 and lost to i7-860 most of the time according to Anandtech's article.

http://www.anandtech.com/cpuchipsets/showdoc.aspx?i=3641
 
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cbn

cbn

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Mar 27, 2009
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andy5174 said:
BTW, X58 system is 52.7% more expensive than the P55. Do you also get 52.7% performance gain? No, what you get is merely 4~5% performance gain when compared to i5 and lost to i7-860 most of the time according to Anandtech's article.
Click to expand...

X58 system is not 52.7% more expensive than a P55 system. Where do you get this cost estimation?
 
andy5174

andy5174

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X58 is ~52.7% more expensive than P55 AS LONG AS you don't compare high end P55 components with Mid/bottom range X58 components.
 
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PCboy

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Jul 9, 2001
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andy5174 said:
P55:

Intel Core i5 750 : $199.99

Top end Asus P55_P7P55D-E Premium : $279.99



X58:

Intel Core i7 920 : $288.99

Top end Asus X58_P6T7 WS Supercomputer : $399.99


Difference: $209; 43.54% more with X58(RAM price not considered)
Click to expand...

Why are you using the i5? You said

Agree.

Only not so smart people would get LGA1366 when there's already LGA1156 i7 which beats the 920 in almost every cases.
Click to expand...

LGA1156 i7. Not an i5. Which is: http://www.newegg.com/Product/Produc...82E16819115214

More or less the same price as the 920.

Secondly, even Anand himself supports the 1366 socket. http://www.anandtech.com/showdoc.aspx?i=3570&p=11

The only thing we're arguing here is the fact you're calling people dumb for buying socket 1366 motherboards when you didn't clarify your reasoning.

Thirdly, I didn't include the charts where the p55 is leading because the differences are marginal. 20 FPS in a 3-way crossfire setup is NOT marginal.
 
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andy5174

andy5174

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Dec 27, 2009
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PCboy said:
Why are you using the i5? You said



LGA1156 i7. Not an i5. Which is: http://www.newegg.com/Product/Produc...82E16819115214

More or less the same price as the 920.

Secondly, even Anand himself supports the 1366 socket. http://www.anandtech.com/showdoc.aspx?i=3570&p=11

The only thing we're arguing here is the fact you're calling people dumb for buying socket 1366 motherboards when you didn't clarify your reasoning.

Thirdly, I didn't include the charts where the p55 is leading because the differences are marginal. 20 FPS in a 3-way crossfire setup is NOT marginal.
Click to expand...
Please read through all the posts before you comment.

BTW, X58 system is 52.7% more expensive than the P55. Do you also get 52.7% performance gain? No, what you get is merely 4~5% performance gain when compared to i5 and lost to i7-860 most of the time according to Anandtech's article.
Click to expand...
I am sorry for calling people not so smart. Regards
 
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alyarb

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Jan 25, 2009
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it depends on what you do and how you decide which components you need. there are some absurdly overpriced P55 boards and there are also some X58 boards that are so inexpensive you'd be concerned about reliability. It would be very easy to build an X58 system cheaper than P55 if you knew how to choose parts. At stock speeds, the turbo mode on the 860 is more aggressive than the 720 and you do end up with a faster system, though probably indistinguishably faster. video performance up to two GPUs is pretty ok with P55 but for the triple-GPU niche, stepping up to X58 is a drop in the ocean of your budget.
 
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