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[Official] AMD Bulldozer Reviews Thread - Page 146

post #1451 of 2308
Quote:
Originally Posted by 2010rig View Post
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


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.
Could it be because of the improved pci-e bandwidth of the BD platform?
post #1452 of 2308
Quote:
Originally Posted by 996gt2 View Post
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 Phenom II?! Additionally, it dosent really do all that well in multi threaded stuff either which it was supposed to be built for. 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 and is best in class against the slowest of the 9xx series

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.
[/QUOTE]

That's nothing. I have found even worse.

"The novel Bulldozer design of the FX-8150 seems to be light on performance per core, as our image editing test shows. This test is single-threaded, and the FX-8150 fared extremely poorly with a stock-speed score of 887. To put that into context, a Core 2 Duo E6700 is 13 per cent faster and a Core i5-2500K is almost twice as fast as the FX-8150 in this kind of situation."

http://www.bit-tech.net/hardware/cpu...8150-review/11

A dual core cpu released in 2006 manages to overcome bulldozer.
post #1453 of 2308
I think we can all agree this is bad for amd and intel, now there is no competition.
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post #1454 of 2308
I think the Bulldozer architecture will start to shine in later revisions/die shrinks. Really, this is just a starting point, that is probably being limited by 32nm.
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post #1455 of 2308
Its not bad for Intel, its bad for us enthusiasts....
post #1456 of 2308
Quote:
Originally Posted by Majin SSJ Eric View Post
Could it be because of the improved pci-e bandwidth of the BD platform?
Jivenjune posted what I was referring to. It's strictly the AMD platform, notice it's the EXACT same 45FPS score as the 1100T. Though the 1100T is clocked at 3.3, and BD at 3.6.

Quote:
Originally Posted by AnandTech
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.

Edited by 2010rig - 10/12/11 at 7:22pm
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post #1457 of 2308
Quote:
Originally Posted by jivenjune View Post
Anand gives a good explanation of this.









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.
Nice post. ^_^ +rep
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post #1458 of 2308
Looks like they targeted parallelism like GPUs and such, it needs more modules to make up for the low-IPC cores.
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post #1459 of 2308
Quote:
Originally Posted by Amdkillsintel View Post
Looks like they targeted parallelism like GPUs and such, it needs more modules to make up for the low-IPC cores.
This is what confuses me a bit. Modern GPUs are already so good at highly parallel tasks, so I don't understand what part of the market AMD was aiming for. Those who need high performance in such tasks likely already have a CUDA cluster.
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post #1460 of 2308
Quote:
Originally Posted by jivenjune View Post
Anand gives a good explanation of this.









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.
All that matters is that a computer do what you want it to, period. I game on my computer. The FX kicks butt at games and has been shown to do so in some reviews , some bad reviews showing the exact opposite will not make the good performance reviews disappear. You are quite welcome to believe all of the bad reviews, but please, I will make my own decision, thank you for your concern.
    
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