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[Nintendo Direct] Wii U hardware specs (1080p, GPGPU, 1GB RAM for games, 22.5MB/s disc drive) - Page 11

post #101 of 215
Quote:
Originally Posted by Mr Frosty View Post

Metro 2033 is the easiest, developers have said that console version is PC equivalent of low.
Now I did test this and a 9800 GT Engery Efficient model ( So lower then reference clocks ) could run Metro 2033 at Medium settings at 1920x1080 and run around the 30-40fps mark or could do high settings at 1280x720, again just about hovering around the30-40 mark with drops to 20fps when the games volumetric lighting kicks in.
Easily displaying 2-3x the performance of consoles.

But how much memory did the GPU and game use up to do that? 360 only has 512MB to split between OS, game, and graphics.
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post #102 of 215
Quote:
Originally Posted by JassimH View Post

Could I please get a link or something?
THE PS3 ACTUALLY HAS 28TB OF RAM. It's really dumbfounding me if this is actually true and if it is true "people don't get it" because it's practically nowhere on about 8 google pages of "ps3 vram" six pages "rsx ram access" and seven of"rsx XDR ram access" :\

I Googled it and got a hit on the first page, your research skills are weak....
Quote:
The GPU makes use of 256 MB GDDR3 RAM clocked at 650 MHz with an effective transmission rate of 1.4 GHz and up to 224 MB of the 3.2 GHz XDR main memory via the CPU (480 MB max).

Link
Quote:
Since the RSX is connected to the XDR DRAM and GDDR3 RAM similar to a Turbo Cached GPU it can access both memory locations at exactly the same time

Link
Quote:
256 MB GDDR3 RAM at 700 MHz
128-bit memory bus width
22.4 GB/s read and write bandwidth
Cell FlexIO bus interface
20 GB/s read to the Cell and XDR memory
15 GB/s write to the Cell and XDR memory

Link

EVERYONE who knows the consoles tech specs knows hat RSX can access and use th XDR memory pool.
post #103 of 215
Quote:
Originally Posted by Xzeara View Post

But how much memory did the GPU and game use up to do that? 360 only has 512MB to split between OS, game, and graphics.

You can't compare memory use on PC and console.
post #104 of 215
Quote:
Originally Posted by Mr Frosty View Post

May I recommend you try Google?

You are right I've found it after trying some completely different google terms.

However according to my knowledge, and backed up by a couple of sources, the bus between the RSX and the XDR ram is extremely slow so it isn't extremely notable.

Furthermore if you note how the Ps3 works most efficiently, the Cell works and stores everything on the XDR ram. The RSX then pulls the data out of the XDR (at a higher latency and lower bandwidth than the Cell can) and WRITES THEM TO THE GDDR3 256MB VRAM.

Therefore in the majority of games, Skyrim being one common exception I can find the entirety of the video output is in the 256mb vram.

Now, the Cell can also access the vram but much slower.

If you are questioning why the latency's are much higher, especially when the buffer is split, it is because they are on TWO DIFFERENT BUSES which is another reason a game requiring >256mb ram will run better on the xbox360 the majority of the time (such as skyrim).

Regardless, my POINT IS STILL VALID as 512mb of ram is still freaking half, and the ps3/xbox runs a resolution ~1/3 of 1080p and is then upscaled so having 100% access to DOUBLE the vram on a SINGLE bus with EQUAL latency will make a huge difference.

Good night.
Edited by JassimH - 9/13/12 at 4:20pm
    
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post #105 of 215
Quote:
Originally Posted by Mr Frosty View Post

Looks like the developers finally found the 24xAA switch on the consoles..... Bullshots....
This is what Uncharted really looks like, a blurry jaggie mess with no AF filtering..

Uncharted has AF, as does Halo 4 confirmed by developers. FXAA native 720p both. Should not be blurry as long as you have a clue what your doing with your TV.

All my shots were pulled from in-engine cut-scenes. Drake's model is the same in cut-scenes and out again confirmed by developers. It's like none of you read Digital Foundry.
Edited by jtom320 - 9/13/12 at 4:24pm
    
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post #106 of 215
Quote:
Originally Posted by Mr Frosty View Post

Quote:
Originally Posted by JassimH View Post

Nope:
Source:
http://en.wikipedia.org/wiki/PlayStation_3
You're thinking of the xbox360 with 512mb shared.
Edit and here's wiki's source for ease smile.gif.

Wiki and you are wrong...

Nope. 256MB of system RAM, 256MB of VRAM. The Xbox allows for 512MB to be used by the system and GPU, shared.

I believe technically you could access system from from VRAM, but not in a way that would be fast enough to use for rendering.
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post #107 of 215
Quote:
Originally Posted by JassimH View Post

You are right I've found it after trying some completely different google terms.
However according to my knowledge, and backed up by a couple of sources, the bus between the RSX and the XDR ram is extremely slow so it isn't extremely notable.
Furthermore if you note how the Ps3 works most efficiently, the Cell works and stores everything on the XDR ram. The RSX then pulls the data out of the XDR (at a higher latency and lower bandwidth than the Cell can) and WRITES THEM TO THE GDDR3 256MB VRAM.
Therefore in the majority of games, Skyrim being one common exception I can find the entirety of the video output is in the 256mb vram.
Now, the Cell can also access the vram but much slower.
If you are questioning why the latency's are much higher, especially when the buffer is split, it is because they are on TWO DIFFERENT BUSES which is another reason a game requiring >256mb ram will run better on the xbox360 the majority of the time (such as skyrim).
Regardless, my POINT IS STILL VALID as 512mb of ram is still freaking half, and the ps3/xbox runs a resolution ~1/3 of 1080p and is then upscaled so having 100% access to DOUBLE the vram on a SINGLE bus with EQUAL latency will make a huge difference.
Good night.

Dude do not try and lecture me about how PS3 works when you didn't even know that RSX could access the XDR memory pool. All of what you said in that post is complete tosh, please go and read Google some more.
post #108 of 215
Quote:
Originally Posted by lordikon View Post

Nope. 256MB of system RAM, 256MB of VRAM. The Xbox allows for 512MB to be used by the system and GPU, shared.
I believe technically you could access system from from VRAM, but not in a way that would be fast enough to use for rendering.

Nah the other guy was right but barely anything uses the extra 240mb available and when it does, A: the cell performance goes to crap due to even less resources (the main limiting factor of the cell was the ram it was allocated and this worsens it), B: the has a higher latency and lower bandwidth when using it compared to the gddr3 vram DEDICATED for the RSX.

Performance is terrible though, like ps3 skyrim which is using more than 256mb of vram.
    
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post #109 of 215
Quote:
Originally Posted by lordikon View Post

Nope. 256MB of system RAM, 256MB of VRAM. The Xbox allows for 512MB to be used by the system and GPU, shared.
I believe technically you could access system from from VRAM, but not in a way that would be fast enough to use for rendering.

Pracically every decent looking game uses XDR for VRAM... Whoever is giving you your information needs educating rolleyes.gif
post #110 of 215
Quote:
Originally Posted by lordikon View Post

Nope. 256MB of system RAM, 256MB of VRAM. The Xbox allows for 512MB to be used by the system and GPU, shared.
I believe technically you could access system from from VRAM, but not in a way that would be fast enough to use for rendering.

He's not wrong scroll up, it is actually well know... full 256MB VRAM usage and up to 224 of the XDR system ram.
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