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2600K vs I7-950 - Page 11

post #101 of 355
Quote:
Originally Posted by Electroneng View Post
A 9.95 cinebench score at 5.1Ghz (which at that voltage I think will not last long) vs 10.83 score on an easily obtained 4.2ghz (1.3v) clock on a 980x is not enough info for you!

You must be smoking some good stuff!
I don't know if it's logical to compare a 980x against SB here. Plus, why would anyone want to purchase a 980x in the first place?

980x = $1050
Mobo = $250
Total = $1300

2 x E5620 = $770
SR-2 = $590
Total = $1360

For $160 more ($100 for another heatsink / H70) you gain 2 cores / 4 threads more. That does make any sense?

Cinebench score of 980x = 10.83 like you said vs 12.73
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post #102 of 355
Quote:
Originally Posted by Hambone07si View Post
I've been running 1.4375v on my 980x minimum for 24/7 use since the day it came out. 1.5v is fine and shouldn't be a problem as long as your temps stay in check. Temps kill way faster than Volts. I've never yet turned on my 980x system and all of a sudden needed .05v more for the same stability. I've always kept my temps below 70c on it. I've pushed 1.6v to it for hitting 4.6ghz and temps were now in the mid 70's. As long as your overclock is rock solid, your chip will live. If not, and your one of the guys that let your chip hit 85c-95c and you do that often, be ready to buy another. I've never had a system come back to me yet that is overclocked.(I'm knocking on wood right now).

I would keep temps out of the 80's for sure with 32nm. Below 70c for 24/7 is great even if your using 1.45v @ 4.5-5ghz
does intel have the same problem as amd with the core temps varying by 10 degrees or so of the whats being seen on the screen?
post #103 of 355
Quote:
Originally Posted by anuoldman View Post
if anything points out how vastly superior the 2600K is going to be to the i7-9xx those benches at 5.1 show it.... 50% overclock vs i7 typical of 35-40%... so gulftown is truly no longer 'safe'
Gulftown is safe. The maximum frequency of sandy bridge is locked, may be able to reach that 5.1 on air or water, but no voltage or cooling will let it go further. As usual some of the chips should clock better than others, but it doesn't look like one will ever hit 6Ghz.
Still early to tell for sure, but definitely looking that way.
    
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post #104 of 355
Thread Starter 
Quote:
Originally Posted by Electroneng View Post
I have always found the passmark benchmarks to be inconsistent. To be consistent, one needs to run the benchmark multiple times and take the average of the reading. 3 scores on one processor vs 1000 of the other is not consistent.

The I7 2600K scores 9512 on a a couple of runs while the I7 2600 scores 9072. These are the same processors with the only listed difference being the unlocked multiplier. Explain the difference?

Using your calculations on these inconsistent benchmarks:

2600k- 9512/3.4 = ~2797
2600 - 9072/3.4 = ~2668
950- 6335/3.07 = ~2063
980x - 10460/3.33 = 3141

The 2600k (3 tests) has a 35.5% advantage over the 950 (100's of tests)
The 2600 (2 tests) has a 29.3% advantage over the 950 (100's of tests)
The 980x (100's of tests) has a 12.2% advantage over the 2600k
The 980x has a 17.7% advantage over the 2600

Once the averages of 100's of tests are listed for the 2600 series, this data may become usable.

Cinebench provides a much better picture of CPU performance.

These are the posted runs:

I7-930/950 at 4.2ghz = 7.21
I7-2600K at 4.2ghz = 8.15
I7-980X at 4.2Ghz = 10.83

I score the same at 4.2ghz on my 980x

I7-2600K provides 13% more CPU power then the 950
I7-980X provides 32.8% more CPU power then the 2600K

No where in any of these calculations have I seen a 6% differential between any of these CPU's


Yes, there is more statistical significance in larger sample sizes with normal data sets... but this isn't a normal data set: the facts are that CPUs are so homogeneous as to render large sample sizes redundant so I disagree with a blanket statement that the Passmark is invalid / inconsistent due to small samples.

I do agree with you however that there is a 2600 vs K discrepancy and suggest that there may be several reasons such as ES sample inclusion (probable) or possibly a difference in SKUs which we do not know (unlikely but possible). It will be interesting to see the difference in these scores a couple of weeks from now.

Additionally, the Cinebench CPU performance test is by definition graphics with CPU rendering based and not base CPU computational performance, so I strongly disagree that its a better overall benchmark for CPUs as a discrete component. In fact, Maxon themselves represent the test as a net system benchmark for industries / applications such as animation, film, television, CAD, etc. and not as a CPU comparison product. Various Cinebench 11.5 results sites show CPU scores with an inconsistent correlation to clock and stronger correlation to GPU thus proving this point. So in this context it's a poor tool.

The 6% difference was my guess by looking at the chart between base scores for the 2600K and the most affordable gulftown, the 970... the difference is actually closer at 5.1%... I was simply making the point that to the user, the out of box stock clock SB product has a nearly equivalent performance level at a large savings on two less cores with higher OC potential....

In reality nobody is going to clock them alike so the 4.2 argument is moot.. the real issue will be as it always is... the best bang for the buck.
A- The 2600K has a significantly larger OC overhead which will likely get it near or at parity with a overclocked Gulftown for a fraction of the price.
B- It kills the 4 core I7's


btw... this is all in good fun... healthy debate / devils advocate stuff.. so no offense intended...
Edited by anuoldman - 12/29/10 at 12:34pm
post #105 of 355
Quote:
Originally Posted by anuoldman View Post
Yes, there is more statistical significance in larger sample sizes with normal data sets... but this isn't a normal data set: the facts are that CPUs are so homogeneous as to render large sample sizes redundant so I disagree with a blanket statement that the Passmark is invalid / inconsistent due to small samples.

I do agree with you however that there is a 2600 vs K discrepancy and suggest that there may be several reasons such as ES sample inclusion (probable) or possibly a difference in SKUs which we do not know (unlikely but possible). It will be interesting to see the difference in these scores a couple of weeks from now.

Additionally, the Cinebench CPU performance test is by definition graphics with CPU rendering based and not base CPU computational performance, so I strongly disagree that its a better overall benchmark for CPUs as a discrete component. In fact, Maxon themselves represent the test as a net system benchmark for industries / applications such as animation, film, television, CAD, etc. and not as a CPU comparison product. Various Cinebench 11.5 results sites show CPU scores with an inconsistent correlation to clock and stronger correlation to GPU thus proving this point. So in this context it's a poor tool.

The 6% difference was my guess by looking at the chart between base scores for the 2600K and the most affordable gulftown, the 970... the difference is actually closer at 5.1%... I was simply making the point that to the user, the out of box stock clock SB product has a nearly equivalent performance level at a large savings on two less cores with higher OC potential....

In reality nobody is going to clock them alike so the 4.2 argument is moot.. the real issue will be as it always is... the best bang for the buck.
A- The 2600K has a significantly larger OC overhead which will likely get it near or at parity with a overclocked Gulftown for a fraction of the price.
B- It kills the 4 core I7's


btw... this is all in good fun... healthy debate / devils advocate stuff.. so no offense intended...
Sb is 2=4% faster clock for clock

1366 IS avg 8% faster with multi gps.

1366 has better ram and mbs.

I don't see any hard core gamers going to go tri sli with 4x4x4 that is garbage.

Most importantly there is no game that uses 100% cpu but there are ones that use 98% gpu with tri sli.

Makeing SB a big NO NO for hard core gamers. Tri sli Multi monitors High res monitors etc that is my argument.

CPU performance SB beats 4 core Bloomfields
Complete System performance the 1366 wins "there is more to a system then just a cpu"

That is the difference between Enthusiast socket and mainstream socket.
Edited by Hokies83 - 12/29/10 at 1:01pm
    
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post #106 of 355
I'm very interested in these Sandy Bridge Cinebench 11.5 results

" From a performance standpoint, if you compare our 16-core Interlagos (Bulldozer) to our current 12-core AMD Opteronâ„¢ 6100 Series processors (code named “Magny Coursâ€) we estimate that customers will see up to 50% more performance from 33% more cores."

Source

Opteron 6174 @ 2.2Ghz = 14.81 Source
+ 50%
= 22.21 est. 16c Bulldozer result


the 12 core opteron 6174 produces roughly double the points of the X6, so 6 core 1090T to 8 core Bulldozer should possibly see similar results?



1090T @ 4.2Ghz =~ 7.49
+ 50%
= 11.23 est. 8c Bulldozer result

How high it will be clocked at stock, and how high it will overclock are another matter. But at 32 nm, and considering the improvements made in clock speed from X4 to X6, you could speculate that Bulldozer will run fast.

X6 at 4.2 on air is easy with 45 nm, with a 29% die shrink???

IF, and it's admittedly a big if all these sums add up, then both Sandy bridge and Gulftown will be left in the shade, at least as far as multi-threading goes...
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post #107 of 355
Quote:
Originally Posted by purpleannex View Post
I'm very interested in these Sandy Bridge Cinebench 11.5 results

" From a performance standpoint, if you compare our 16-core Interlagos (Bulldozer) to our current 12-core AMD Opteronâ„¢ 6100 Series processors (code named “Magny Coursâ€) we estimate that customers will see up to 50% more performance from 33% more cores."

Source

Opteron 6174 @ 2.2Ghz = 14.81 Source
+ 50%
= 22.21 est. 16c Bulldozer result


the 12 core opteron 6174 produces roughly double the points of the X6, so 6 core 1090T to 8 core Bulldozer should possibly see similar results?



1090T @ 4.2Ghz =~ 7.49
+ 50%
= 11.23 est. 8c Bulldozer result

How high it will be clocked at stock, and how high it will overclock are another matter. But at 32 nm, and considering the improvements made in clock speed from X4 to X6, you could speculate that Bulldozer will run fast.

X6 at 4.2 on air is easy with 45 nm, with a 29% die shrink???

IF, and it's admittedly a big if all these sums add up, then both Sandy bridge and Gulftown will be left in the shade, at least as far as multi-threading goes...
Indeed The smart people Sit and wait and see the outcome of the cpu wars before just impluse buying something.

I will be getting what is the fastest by the end of January 2012.
    
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post #108 of 355
People are seriously going to take a shot in the dark of what they assume BD is going to perform like? Haha

Maybe you guys should wait till something concrete comes out
    
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post #109 of 355
Quote:
Originally Posted by purpleannex View Post
I'm very interested in these Sandy Bridge Cinebench 11.5 results

" From a performance standpoint, if you compare our 16-core Interlagos (Bulldozer) to our current 12-core AMD Opteronâ„¢ 6100 Series processors (code named “Magny Coursâ€) we estimate that customers will see up to 50% more performance from 33% more cores."

Source

Opteron 6174 @ 2.2Ghz = 14.81 Source
+ 50%
= 22.21 est. 16c Bulldozer result


the 12 core opteron 6174 produces roughly double the points of the X6, so 6 core 1090T to 8 core Bulldozer should possibly see similar results?



1090T @ 4.2Ghz =~ 7.49
+ 50%
= 11.23 est. 8c Bulldozer result

How high it will be clocked at stock, and how high it will overclock are another matter. But at 32 nm, and considering the improvements made in clock speed from X4 to X6, you could speculate that Bulldozer will run fast.

X6 at 4.2 on air is easy with 45 nm, with a 29% die shrink???

IF, and it's admittedly a big if all these sums add up, then both Sandy bridge and Gulftown will be left in the shade, at least as far as multi-threading goes...
I hope Bulldozer is that good as I plan on replacing my 1055t system with an 8 core AM3+ Beast!
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post #110 of 355
Quote:
Originally Posted by Jean-Luc View Post
People are seriously going to take a shot in the dark of what they assume BD is going to perform like? Haha

Maybe you guys should wait till something concrete comes out
Agreed.

The shot in dark only accounts for the client version, not the server.

The 50% increase in performance comes from AMD, not a third party website, and certainly not some bloke with a cpu at home. Of course you can say AMD are biased but they've written it on their own webite, in balck and white so to say, they're going to look pretty stupid if it doesn't perform. I don't believe AMD would deliberately damage their reputation like that. If it was a third party site you could just blame them.

Yeah it's all speculation, as were Sandy Bridge results until very recently.
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