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AMD Bulldozer for Gaming - Page 2

post #11 of 20
Quote:
Originally Posted by snelan View Post
Really, CPUs will only give like a 1fps difference in gaming. I would actually say a 2500k is the best gaming CPU, or a 2600k with HT off. That way windows doesn't have to try to even the load out across slow threads.

But your CPU should be fine for gaming, what clocks can you reach? The main thing with BD is that it will have "modules" instead of cores. As I understand, each module is equal to about 1.8 physical cores. So I'm not sure if the game will see a module as a core, and utilize all 4 modules on an x8 BD chip, or only use half of the modules.

But really, if you looking into more gaming performance, checkout another 5850. They might be slightly bottlenecked, and that will be the time to upgrade your CPU, but BD is rumored to be the king at multi-threaded things, like rendering and encoding.
And upgrade from a Phenom x4/x6 to a 2500k/2600k will provide a much geater difference than 1fps. There's no point in getting another GPU if the current one isn't being fully utilized.
post #12 of 20
Quote:
Originally Posted by snelan View Post
-snip-
No, each integrer core is a core, that's it. Windows and games will see and use them as 8 cores.

Quote:
Really, CPUs will only give like a 1fps difference in gaming.
....

..

Going from a Phenom 2 to SB can easily provide an FPS increase of 30%-50%.

Quote:
Also, BD is supposedly going to use two integer cores and one floating point core (or maybe it was two floating point and one integer). This is kind of hard to understand, I would suggest looking it up.
A BD module has both two integer cores and 2 floating point units. The floating point units can combine into one big unit.
Edited by Devilmaypoop - 5/31/11 at 9:01am
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post #13 of 20
Quote:
Originally Posted by lukeibob View Post
Article from Wikipedia

"Some manufacturers have announced that some of their AM3 motherboards will support AM3+ CPUs, after a simple BIOS upgrade. Mechanical compatibility has been confirmed and it's possible AM3+ CPUs will work in AM3 boards, provided they can supply enough peak current."
*sigh*

current != voltage
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post #14 of 20
Quote:
Originally Posted by Devilmaypoop View Post
No, each integrer core is a core, that's it. Windows and games will see and use them as 8 cores.



....

..

Going from a Phenom 2 to SB can easily provide an FPS increase of 30%-50%.



A BD module has both two integer cores and 2 floating point units. The floating point units can combine into one big unit.
I am not schooled in the way of BD.

And I misread your CPU, thought you had a Phenom II x4. So now my advice would be to upgrade that to either a SB, BD, or a Thuban, and then buy another GPU.
    
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post #15 of 20
Quote:
Originally Posted by snelan View Post
Really, CPUs will only give like a 1fps difference in gaming. I would actually say a 2500k is the best gaming CPU, or a 2600k with HT off. That way windows doesn't have to try to even the load out across slow threads.

But your CPU should be fine for gaming, what clocks can you reach? The main thing with BD is that it will have "modules" instead of cores. As I understand, each module is equal to about 1.8 physical cores. So I'm not sure if the game will see a module as a core, and utilize all 4 modules on an x8 BD chip, or only use half of the modules.

But really, if you looking into more gaming performance, checkout another 5850. They might be slightly bottlenecked, and that will be the time to upgrade your CPU, but BD is rumored to be the king at multi-threaded things, like rendering and encoding.
Quote:
Originally Posted by snelan View Post
Yea, BD will have it's cores as modules. 1 modules = 1.8 or so cores. So theoretically, if the 8 core (4 module) BD can hit 5Ghz, it will blow SB out of the water, because a Hyperthread is only about 70% of a real core, not to mention inefficient if the application is good at handling multiple threads.

But like I said, if the games see 1 module as 1 core, then you will be effectively gaming on 8 cores, but games might see 1 module as 2 cores, so that you will still only be using 4 cores.

Also, BD is supposedly going to use two integer cores and one floating point core (or maybe it was two floating point and one integer). This is kind of hard to understand, I would suggest looking it up.

EDIT: Think of a module as a house. Then think of people as cores. There are two people in the house. Each module holds around 2 (1.8) cores.
Quote:
Originally Posted by snelan View Post
I am not schooled in the way of BD.

And I misread your CPU, thought you had a Phenom II x4. So now my advice would be to upgrade that to either a SB, BD, or a Thuban, and then buy another GPU.
I am not schooled in the way of BD.

So don't post a load of rubbish about something you readilly admit you know nothing about!

I can't even be bothered to put right all the accuracies.
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post #16 of 20
no one knows for sure, but my guess is it will eliminate the common PII bottlenecks on modern gfx cards...thus increasing gaming performance
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post #17 of 20
Quote:
Originally Posted by purpleannex View Post
I am not schooled in the way of BD.

So don't post a load of rubbish about something you readilly admit you know nothing about!

I can't even be bothered to put right all the accuracies.
To be fair nobody really knows.

And given the design of the chips I would say the best performance for gaming will probably come from the 8 core chip. You will need to set affinity to each module yourself though.
    
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post #18 of 20
Quote:
Originally Posted by nicksasa View Post
*sigh*

current != voltage

And its *current* the word they're after.


Do you think the FETs on the board have much trouble supplying 2 or 3 volts? No!! It's with current with what they struggle.

I've done several projects using very high power applications (300V @600A), and I was using SCRs (a form of transistor like a MOSFET, but a SCR can just be turned on, and won't power off until the voltage falls below a threshold). rated at 600V. The fact that they handled 540A peak each (used a couple in parallel) at 600V doesn't mean they handled a total power of 324kW, means they handle that maximum current and that absolute maximum voltage.


So yes, it's current what you're looking for. Voltage's not a problem.



I hope they provide a nice 30% boost over my current Thuban in terms of per-core performance. That'll mean that the enhanced version will be even better, and thus I'll get a nice upgrade the next year
   
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post #19 of 20
Quote:
Originally Posted by Devilmaypoop View Post
No, each integrer core is a core, that's it. Windows and games will see and use them as 8 cores.



....

..

Going from a Phenom 2 to SB can easily provide an FPS increase of 30%-50%.



A BD module has both two integer cores and 2 floating point units. The floating point units can combine into one big unit.
Most games run equal on a I7 980 or a Phenom 955. Majority of games are single threaded so there is little gap. Your incorrect on a 30% jump. Yes some games will be higher depending on the game.
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post #20 of 20
Most games aren't single threaded, but rather dual. There are quite a few that can take advantage of at least 4 cores, and a limited few that can use 6 or more.

Besides that, if games really did only use one core SB would be at an even greater advantage because its quite a bit faster per core than phemon II.
Edited by BallaTheFeared - 5/31/11 at 5:19pm
    
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