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Author Topic: ATI & MS unviel xbox360 gpu official  (Read 8195 times)

Offline Unicron!
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ATI & MS unviel xbox360 gpu official
« Reply #30 on: May 20, 2005, 12:18:10 PM »
I believe there is only one processor in the PS3.Atleast thats what I understood from what I ve read so far.
After Sony demonstrated the PS3 they showed tech demos using multiple Cell processors working together but that was unrelated with the PS3.

Offline JBean
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« Reply #31 on: May 20, 2005, 12:42:38 PM »
The emotion engine (EE) was in a way multi-core.  You had the main core, then VU0 & VU1 co-processors.  These co-processors weren\'t used extensively in the first gen of ps2 games.  

Cell is basically 9 seperate cores on one chip, I PPE and 8 SPE (although 1 SPE is disabled to improve yields).  Explaining how it works though is something only IBM could explain at this point.

Go to beyond3d.com and go to the console forum.  Tons of guys in there know their stuff and many of them have picked the xbox360 and ps3 apart.
« Last Edit: May 20, 2005, 12:48:54 PM by JBean »

Offline Riku
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« Reply #32 on: May 20, 2005, 12:45:36 PM »
Here\'s a good discussion on the Cell. ----> Click Me
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Offline Unicron!
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« Reply #33 on: May 20, 2005, 01:06:11 PM »
Well you cant understand much if you are not knowledgable on the matter.
but I know what I saw in the Getaway tech demo running exclusively on a Cell on unfinished hardware and probably on the same but improved graphics engine as the PS2\'s Getaway.
It can do a lot by itself.Which I still believe PS3\'s main difference compared to XBOX360 wont be thanks to GPU\'s performance but thanks to the Cell\'s.
How much performance can you get from XBOX360\'s CPU alone really?
Its a question I want answered.

Offline QuDDus
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« Reply #34 on: May 20, 2005, 01:32:35 PM »
Quote
Originally posted by Unicron!
Well you cant understand much if you are not knowledgable on the matter.
but I know what I saw in the Getaway tech demo running exclusively on a Cell on unfinished hardware and probably on the same but improved graphics engine as the PS2\'s Getaway.
It can do a lot by itself.Which I still believe PS3\'s main difference compared to XBOX360 wont be thanks to GPU\'s performance but thanks to the Cell\'s.
How much performance can you get from XBOX360\'s CPU alone really?
Its a question I want answered.


Why xbox cpu won\'t have do all the processing ps3 cell will have to do. Thats why they are trying to pack so much power into the cell.
« Last Edit: May 20, 2005, 02:01:26 PM by QuDDus »
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Offline Unicron!
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« Reply #35 on: May 20, 2005, 01:39:45 PM »
Say that again? :confused:
XBOX cell?Ahm.....:rolleyes: anyways.

It depends only if the PS3\'s GPU is signifigantly weaker from XBOX360\'s.If they are similar in performance in that aspect the difference will depend on the CPU performance.
« Last Edit: May 20, 2005, 01:44:36 PM by Unicron! »

Offline QuDDus
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« Reply #36 on: May 20, 2005, 01:59:39 PM »
Quote
Originally posted by Unicron!
Say that again? :confused:
XBOX cell?Ahm.....:rolleyes: anyways.

It depends only if the PS3\'s GPU is signifigantly weaker from XBOX360\'s.If they are similar in performance in that aspect the difference will depend on the CPU performance.


LOL  :laughing: I meant CPU



The x360 has 98 Billion ops per second
And EDRAM has 192 processors of it\'s own that do one op per.
Giving it an additional 96 Billion ops per second.

It won\'t need the cpu to handle the processing like the RSX. Everything will be done by the gpu.
« Last Edit: May 20, 2005, 02:01:58 PM by QuDDus »
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Offline Unicron!
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« Reply #37 on: May 20, 2005, 02:18:00 PM »
heh I am not as knowledgable as you are so I dont understand as much :)
But I d like to see direct comparissons and explanations between the two when complete information is available for both.

My estimation though is that if Sony are indeed honest with their tech demos especially like the Killzone Demo being achievable in real time (the guy from Epic said that the tech demos are all achievable) then I expect similar GPU performance with the Cell boosting up performance.
If the killzone was accurately done to spec then something must be freeing the general performance from taking a hit.

The smoke, explosion effects, complicated physics, draw distance, moving objects, possible complex AI etc all these being processed constantly at the same time and flawlessly need huge processing power.thats why I am not sure if its achievable.
But lets assume that it is.
From what I ve heard that one of the Cell\'s main purposes is to free the GPU from doing more complicated tasks that could lead to performance hit.But the Cell I believe was designed so it wouldnt sacrifice from its power trying to "assist" either.
Its ability to handle multible tasks like a network of CPUs may mean that it can do them without sacrificing anything or atleast much.

Time will tell though
« Last Edit: May 20, 2005, 02:22:35 PM by Unicron! »

Offline ddaryl
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« Reply #38 on: May 20, 2005, 04:45:19 PM »
Quote
Originally posted by Unicron!
heh I am not as knowledgable as you are so I dont understand as much :)
But I d like to see direct comparissons and explanations between the two when complete information is available for both.

My estimation though is that if Sony are indeed honest with their tech demos especially like the Killzone Demo being achievable in real time (the guy from Epic said that the tech demos are all achievable) then I expect similar GPU performance with the Cell boosting up performance.
If the killzone was accurately done to spec then something must be freeing the general performance from taking a hit.

The smoke, explosion effects, complicated physics, draw distance, moving objects, possible complex AI etc all these being processed constantly at the same time and flawlessly need huge processing power.thats why I am not sure if its achievable.
But lets assume that it is.
From what I ve heard that one of the Cell\'s main purposes is to free the GPU from doing more complicated tasks that could lead to performance hit.But the Cell I believe was designed so it wouldnt sacrifice from its power trying to "assist" either.
Its ability to handle multible tasks like a network of CPUs may mean that it can do them without sacrificing anything or atleast much.

Time will tell though


I\'m sure SOny, Toshiba and IBM had all of this in mind when they went with the Cell\'s design



Offline Unicron!
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« Reply #39 on: May 20, 2005, 04:52:12 PM »
Yeah they had.But the question is how efficiently have achieved their target.
The Killzone trailer if proven achievable as it was shown or that it was real time footage recorded on video it will mean that they succeeded :)

Offline Riku
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« Reply #40 on: May 20, 2005, 05:51:45 PM »
Microsoft\'s comparison of the 360 and PS3: Click

Microsoft says the 360 easily out performs the PS3.  Believe them?  I don\'t think so.  However, it\'s no more biased than Sony\'s powerpoint presentation.;)
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Offline ddaryl
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« Reply #41 on: May 20, 2005, 06:11:32 PM »
MS sure spewed alot of numbers, and they really made it look as if the Xbox 360 destroys the PS3.  

All I know is all have an Xbox 360 before Christmas, and a PS3 next Christmas



Offline Unicron!
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« Reply #42 on: May 20, 2005, 06:37:17 PM »
Quote
Originally posted by Rikku
Microsoft\'s comparison of the 360 and PS3: Click

Microsoft says the 360 easily out performs the PS3.  Believe them?  I don\'t think so.  However, it\'s no more biased than Sony\'s powerpoint presentation.;)
WHOAH :eek: Never expected to see such a comparison.they made PS3 seem like shit!I wonder how true that is

Offline Waspman
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« Reply #43 on: May 20, 2005, 06:50:58 PM »
I agree only time will tell.

Offline seven
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« Reply #44 on: May 20, 2005, 07:54:37 PM »
lol, PR Microsoft? More from a single Microsoft guy working on Xbox live. This info is from http://www.majornelson.com

All crap anyway. Anyone can pull figures from specsheets and claim one is x times better than the other.

 

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