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FX-8120 or Phenom II X4 980? - Page 10

post #91 of 124
Quote:
Originally Posted by iinversion View Post

Multiplayer uses more CPU than you think. 64 player maps put ridiculous strain on the CPU. Single player BF3, you are right though.
Also depends what kind of multicore support your looking for. BD only has 4 FPU's like a quad core.. each FPU is shared with 2 integer cores..
Its still a physical 8 core CPU, they just share the modules resources. It is proven to benefit heavily in benchmarks if the benchmark is heavily threaded.
post #92 of 124
Quote:
Originally Posted by james_rich View Post

arma 2

http://www.bit-tech.net/hardware/cpus/2011/10/12/amd-fx-8150-review/9

According to that review, FX-8150 @ 4.8GHz still loses to the 2500K @ stock in Arma 2.

Another review from Hardware.fr

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post #93 of 124
Quote:
Originally Posted by Clairvoyant129 View Post

http://www.bit-tech.net/hardware/cpus/2011/10/12/amd-fx-8150-review/9
According to that review, FX-8150 @ 4.8GHz still loses to the 2500K @ stock in Arma 2.
Another review from Hardware.fr
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I'm not sure what you're getting at, did you even read the thread and our conversation? He asked what applications could use better multicore support. Currently arma 2 can only effectively use up to 3 cores at 80% utilization, then the rest are left at 20% utilization. Very unbalanced.


This is getting very off topic. My point still stands, applications need better mutlithreaded support to take advantage of Bulldozer in Windows.
Edited by james_rich - 5/3/12 at 6:31pm
post #94 of 124
The thing I wonder is with those overclocked 8150 benchmarks, are both the CPU and NB overclocked or just the CPU? Bulldozer, like Phenom, really comes alive with a big NB jump. If theyre just bumping the core clock to 4.8 but leaving the NB alone, then theyre leaving a lot of Bulldozer's performance out. Reading that Bit-Tech article about overclocking, they dont state anything about touching the NB. I would like to see some benchies of the 8150 where the NB is also cranked up. I bet theyd be a lot better.
post #95 of 124
Quote:
Originally Posted by james_rich View Post

I'm not sure what you're getting at, did you even read the thread and our conversation? He asked what applications could use better multicore support. Currently arma 2 can only effectively use up to 3 cores at 80% utilization, then the rest are left at 20% utilization. Very unbalanced.

Instead of adding more cores and making it harder for developers, AMD could instead increase clock speed + IPC with fewer cores. Even in heavily multi-threaded situations, Intel's 4 core + HT easily keeps up/outperform the FX-8150.

Higher core count doesn't make up for inferior IPC.
Quote:
Originally Posted by MacLeod View Post

The thing I wonder is with those overclocked 8150 benchmarks, are both the CPU and NB overclocked or just the CPU? Bulldozer, like Phenom, really comes alive with a big NB jump. If theyre just bumping the core clock to 4.8 but leaving the NB alone, then theyre leaving a lot of Bulldozer's performance out.

It wouldn't have mattered because it wouldn't have made up for the ~30%-40%+ deficit. Besides for most end users overclocking is a non-factor.
Edited by Clairvoyant129 - 5/3/12 at 6:34pm
     
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post #96 of 124
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post #97 of 124
Quote:
Originally Posted by Clairvoyant129 View Post

Instead of adding more cores and making it harder for developers, AMD could instead increase clock speed + IPC with fewer cores. Even in heavily multi-threaded situations, Intel's 4 core + HT easily keeps up/outperform the FX-8150.
Higher core count doesn't make up for inferior IPC.
It wouldn't have mattered because it wouldn't have made up for the ~30%-40%+ deficit. Besides for most end users overclocking is a non-factor.

Yeah, we get it. Intel is faster. Move along. We're discussing Bulldozer vs Phenom.
post #98 of 124
Quote:
Originally Posted by james_rich View Post

I'm not sure what you're getting at, did you even read the thread and our conversation? He asked what applications could use better multicore support. Currently arma 2 can only effectively use up to 3 cores at 80% utilization, then the rest are left at 20% utilization. Very unbalanced.


But there's no point in having better multicore support because mainstream quad cores don't need it. You're deeming the support on this game bad because it doesn't support your 8 integer core BD well, when that CPU is like not even 2% of the mainstream market, why optimize a game for something that is a very small percentage of what will be using the game/app? Until a large percentage of mainstream products are 6+ core optimization isn't gonna happen.
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post #99 of 124
Quote:
Originally Posted by Clairvoyant129 View Post

Instead of adding more cores and making it harder for developers, AMD could instead increase clock speed + IPC with fewer cores. Even in heavily multi-threaded situations, Intel's 4 core + HT easily keeps up/outperform the FX-8150.
Higher core count doesn't make up for inferior IPC.
It wouldn't have mattered because it wouldn't have made up for the ~30%-40%+ deficit. Besides for most end users overclocking is a non-factor.

Why would you buy a AMD's top in class if you dident want to OC.
post #100 of 124
Quote:
Originally Posted by MacLeod View Post

The thing I wonder is with those overclocked 8150 benchmarks, are both the CPU and NB overclocked or just the CPU? Bulldozer, like Phenom, really comes alive with a big NB jump. If theyre just bumping the core clock to 4.8 but leaving the NB alone, then theyre leaving a lot of Bulldozer's performance out. Reading that Bit-Tech article about overclocking, they dont state anything about touching the NB. I would like to see some benchies of the 8150 where the NB is also cranked up. I bet theyd be a lot better.

Exactly thumb.gif
AMD CPU lacks memory bandwidth efficiency by half than Intel CPU can offer. I've felt significant overall increase in performance with higher CPU-NB (IMC) speed.
And this is absolutely true that almost all reviews show benchmark scores at stock IMC speed, they only increase CPU multiplier. And for locked CPU they increase base clock with increased CPU multiplier, but then they lower the IMC to near default.
And that is why my 4.0Ghz overclock with 2.86Ghz - 3Ghz IMC gives higher scores in almost all type of benches than reviews at 4.0Ghz with stock IMC.
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