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[Official] AMD Bulldozer Reviews Thread - Page 145

post #1441 of 2308
Quote:
Originally Posted by Check101 View Post
I read something in the Anand Tech review about how Windows 7 scheduler isn't optimized for Bulldozer's modules. How significant would a tweak to the scheduler for Bulldozer's modules be in terms of performance?
Supposedly, Windows 8 has a better task scheduler. However with that fact, bulldozer barely does any better in Windows 8.

"I also did some multithreaded tests to compare Windows 7 versus Windows 8. The task scheduler in the latter is more optimised for multi core CPUs. Yet my finding were not that shocking in my test suite. 1-4% difference was maximum spotted. Nothing that would give the Scorpius platform that required significant boost."

http://www.madshrimps.be/articles/ar...#axzz1acYVpqDO
post #1442 of 2308
Quote:
Originally Posted by Majin SSJ Eric View Post
Lol at having "top scores" by 3 just fps in a non-repeatable MP environment with tons of different variables that are impossible to account for. You go ahead and buy an 8150 based solely on the fact that out of hundreds of benches performed you managed to find just a couple of flawed ones that make BD just on par with SB. The rest of us understand what a consensus of opinion is....
If by "flawed" I guess you are referring to those that show FX performing well. What is your explanation for some reviews showing opposite results in some tests, particularly DX-11 games?? Do you think some people got magic 8150s that showed performance better than a 2600 in games, and that this will never happen again? Or, do you think it is more likely that the bad reviews showing a 2600 blowing away a 8150 in the same game are "flawed" or skewed in some way? Are you expecting the reviews showing great performance for FXs to just disappear? Will the sites posting them fold up in shame? I am guessing not. The results they posted are real. If others are not getting results as good, then something is wrong with their rig,testing methods, or perhaps something else.
Edited by Jagged_Steel - 10/12/11 at 7:09pm
    
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post #1443 of 2308
Quote:
Originally Posted by Jagged_Steel View Post


So having top scores in the latest games now constitutes "eating crow"? Piling on the Intel bandwagon is easy, sticking up for AMD is hard. It is a phenomenom called "rooting for the underdog".
"Keep in mind also that these data sets represent a live server with real players so not every performance run-through is the same, but these fully represent true BF3 gameplay."

"we used an AMD Radeon HD 6970"

"1920x1200 with NO AA, and 16X AF with "Ultra" settings."

if you played BF3 you should know that a 6970 on Ultra even without AA is quite GPU limited,
also when they overclocked the i5 2500k from 3.3 to 4.8GHz thy gained nothing, that tells you what!?

GPU limited... add that to a a less than a ideal testing method (during a MP game, with different number of players and server) and all the CPUs are within something that you should consider a margin of error...
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post #1444 of 2308
Quote:
Originally Posted by djriful View Post
Having bigger Ghz numbers doesn't mean anything if the real time usage under perform compare to today decent CPUs...

They said these series aim for enthusiast but enthusiast users aren't that dumb by being fooled with 8Ghz number. You can fool computer literary but that's just plain rip off and gouging the market.
Agreed, I mentioned this on the World Record thread expressing that if IPC was weak, it doesn't matter what frequency the CPU can run at with Liquid Helium.

Now we're finding out that Bulldozer average stable overclocks are 4.6 - 4.8 on AIR, and that it has a weak IPC. But sadly, AMD is now pushing this as "The fastest CPU in the world".

http://www.overclock.net/hardware-ne...l#post14936697

http://www.overclock.net/hardware-ne...l#post14936976

Quote:
Originally Posted by HMBR View Post
"Keep in mind also that these data sets represent a live server with real players so not every performance run-through is the same, but these fully represent true BF3 gameplay."

"we used an AMD Radeon HD 6970"

"1920x1200 with NO AA, and 16X AF with "Ultra" settings."

if you played BF3 you should know that a 6970 on Ultra even without AA is quite GPU limited,
also when they overclocked the i5 2500k from 3.3 to 4.8GHz thy gained nothing, that tells you what!?

GPU limited... add that to a a less than a ideal testing method (during a MP game, with different number of players and server) and all the CPUs are within something that you should consider a margin of error...
He still won't get it, because like other reviewers pointed out, in GPU limited scenarios for some reason it favors AMD slightly. That's not because Bulldozer is faster, it's because of the platform. It's one of those things you can't explain.
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post #1445 of 2308
So how does this compare to the i5-750/760?
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post #1446 of 2308
Interesting read here;
UPDATE: AMD Insiders Speak Out: BAPCo Exit is An Excuse for Bulldozer


"Bulldozer is going to disappoint people because we did not get the resources to build a great CPU, and it's not that we needed billions of dollars to make it a leader. We needed investment in people, tools and technology."
http://www.brightsideofnews.com/news....aspx?pageid=0
    
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post #1447 of 2308
Shogun 2: total war is GPU bottlenecked
It was also tested with a Gulftown cpu

Edited by Sophath - 10/12/11 at 7:12pm
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post #1448 of 2308
Quote:
Originally Posted by Jagged_Steel View Post
If by "flawed" I guess you are referring to those that show FX performing well. What is your explanation for some reviews showing opposite results in some tests, particularly DX-11 games?? Do you think some people got magic 8150s that showed performance better than a 2600 in games, and that this will never happen again? Or, do you think it is more likely that the bad reviews showing a 2600 blowing away a 8150 are "flawed" or skewed in some way? Are you expecting the reviews showing great performance for FXs to just disappear? Will the sites posting them fold up in shame? I am guessing not. The results they posted are real. If others are not getting results as good, then something is wrong with their rig,testing methods, or perhaps something else.
Yeah, something is wrong with the overwhelming majority of the reviews, not the lone aberration that went against the norm. Out 50 reviews ONLY hardware heaven got it right huh? Lol....
post #1449 of 2308
Quote:
Originally Posted by Jagged_Steel View Post
Piling on the Intel bandwagon is easy, sticking up for AMD is hard. It is a phenomenom called "rooting for the underdog".
This is what bulldozer is packing:

- 2 billion transistors, about 2x what sandy bridge has
- First wholly new architecture in a decade from AMD
- 8 cores
- Higher clock speeds

Yet despite this it only sometimes outperforms its predecessor, the Phenom II?! Additionally, it dosen't really do all that well in multi threaded stuff either...even though it was supposed to be built for those tasks. Not to mention the thrashing it gets when pitted against a 2600k or 2500k.

Look at this... bulldozer vs nehalem. Bulldozer has a 1 ghz clock advantage AND is 3 years newer AND is on a 32nm process:

http://www.anandtech.com/bench/Product/47?vs=434

They trade blows. Despite all the advantages it does NOT outright beat what Intel had 3 years ago...that is a failure in my view.
Edited by 996gt2 - 10/12/11 at 7:18pm
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post #1450 of 2308
Quote:
Originally Posted by Jagged_Steel View Post
If by "flawed" I guess you are referring to those that show FX performing well. What is your explanation for some reviews showing the opposite results in some tests, particularly DX-11 games?? Do you think some people got magic 8150s that showed performance better than a 2600 in games, and that this will never happen again? Or, do you think it is more likely that the bad reviews are "flawed" or skewed in some way? Are you expecting the reviews showing great performance for FXs to just disappear? Will the sites posting them fold up in shame? I am guessing not. The results they posted are real. If others are not getting results as good, then something is wrong with their rig,testing methods, or perhaps something else.
Anand gives a good explanation of this.

Quote:
Civilization V

Civ V's lateGameView benchmark presents us with two separate scores: average frame rate for the entire test as well as a no-render score that only looks at CPU performance.

While we're GPU bound in the full render score
, AMD's platform appears to have a bit of an advantage here. We've seen this in the past where one platform will hold an advantage over another in a GPU bound scenario and it's always tough to explain. Within each family however there is no advantage to a faster CPU, everything is just GPU bound.


Quote:
Looking at the no render score, the CPU standings are pretty much as we'd expect. The FX-8150 is thankfully a bit faster than its predecessors, but it still falls behind Sandy Bridge.


Notice that the margin of error of these tests when GPU bound are within +/- 3 frames per second? This is exactly within the same margin of error that you keep using as "factual" evidence as to why --you-- believe that the FX 8150 is a superior processor.
Edited by jivenjune - 10/12/11 at 7:21pm
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