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Rumored Chinese Forum Xbox720 specs: 8CoreCPU,8GB,HD8800GPU,W8,640GBHDD

Danneee

Member
You can stream at about 200MB/s from flash memory. If the PS4 has 4GB and the 360 has 8GB, the extra 4GB could be cached into flash from blu-ray, and I just can't think of a situation where you'd need the extra 4GB loaded so fast that the flash streaming speed would not be enough.

Flash memory? Well if that would be the case then I hope the difference is minimal. Next gen really can't be unveiled soon enough!
 

Proelite

Member
You can stream at about 200MB/s from flash memory. If the PS4 has 4GB and the 360 has 8GB, the extra 4GB could be cached into flash from blu-ray, and I just can't think of a situation where you'd need the extra 4GB loaded so fast that the flash streaming speed would not be enough.

Wont that burn out the flash memory in like less than a year?
 
Are there any rumours yet on how this console will look? Is it MYE that does fantastic renders here?

No rumors at all on looks yet. We probably won't get that info until GDC or E3. I'm really curious about it. We're going to get an enormous power brick for the 720, that much I know lol.
 

coldfoot

Banned
If they want to use SSD in the way like you said, they would want to have a rather large sized SSD. 64GB would be a great amount, enough to hold whole games.
No need to hold the entire game on there though. I suspect the iPad model with 16GB standard. You can add a HDD later.
 

THE:MILKMAN

Member
No rumors at all on looks yet. We probably won't get that info until GDC or E3. I'm really curious about it. We're going to get an enormous power brick for the 720, that much I know lol.

I'm interested in whether they go with swoops/curves like 360/PS3 or AV like that blend in on the tv stand.
 

AgentP

Thinks mods influence posters politics. Promoted to QAnon Editor.
Wile PS4 might be able to transfer 3.2GB/s, you'd then be left with no space for other frames (what happens if you turn your character 180 degrees?) or for caching the level when you are moving around.

What? You don't use 3.2GB for a single frame buffer. Your memory should have everything it needs for present and near future frames. Do you think the 720 is going to load 3GB of data for one frame buffer and another 3GB for another when you do a 180?

Also that bandwidth would be cut by needing to write buffers out to memory and back in again (something the 720 should be able to do at least partly on the esram without impacting the main bus). So while you can transfer that, you'll rarely be able to.

Why would a system with 3GB of UMA GDDR5 move data in and out of main memory while it needs it (and move it to where?)? And why isn't moving data in and out of the eSRAM a concern, the bottleneck there is still the DDR. I probably don't know what you are trying to say, it isn't at all clear.


This is probably the real limiting factor for streaming engines. At some point you have to pull from disc, and that speed (combined with the fastest speed a player can move in the game) will limit how much memory you can use for the immediate world around you.

You also have to be able to push all the pixels. If you suddenly gave the PS3 4GB of the same GDDR3 for the RSX, it would have issues using it due to raw GPU power and memory bandwidth. Lots of variables make up the rendering pipeline, not one or two.
 
A few random links off twitter. Not really news worthy yet I'd say but still ya never know.

The source of the rumour:
http://www.thenextxbox.com/2013/01/...gainst-blu-ray-movie-playback-with-xbox-next/

It's not really a rumour though, just speculation.

There is a double-edged sword here with this potential move from Microsoft. First, Microsoft would be sticking it to Sony, and second, they would be making a move to increase their own revenue.

Jesus Christ.
 
speed of ram does not equate to qty of ram

if you really need 1gb of ram to store data, you're not going to be able to store that amount with 512mb of faster ram.

they may be able to do some streaming to get by for certain things, but if you're creating a super large persistent world that requires a large amount of ram, having half of that ram available would mean they'd have to find a way to cut it down to fit in a finite amount of space.

it's like saying you have train A that can carry 1000 people max @ 100mph and train B that can carry 500 people max @ 200mph. Train B may be able to get there faster, but they're still limited at having 500 people on board

The train with 500 people would have made the trip 4 times by the time the larger capacity train arrives, therefore delivering 2,000 people vs 1,000.
 

quest

Not Banned from OT
MS better allow BR movie playback, especially if they want their console to be seen as the definitive media hub.

At worst it will be like the orginal xbox buy a seperate remote get a redeem code for playback. I guess depends on how pricey the license to play bluray's is these days. I would hope they include it in the box.
 

mocoworm

Member
This is what a friend who is clued up on this stuff messaged me with:

' Teraflop: floating point operations per second. ie. the number of operations that processor can perform on a single floating point register in any given second.

Since that's what graphics and physics is mostly about, you would think the higher number means a faster overall console, you would be wrong though, that number only comes into account when you assume everything, EVERYTHING you're going to do, is loaded into the processor registers, which it never will be, EVER.

The stuff that requires manipulation, presentation or just simply needs to be checked on, will be held in RAM.

The key to a faster console, is more RAM and FAST RAM, ie. 8gb of DDR2 dual channel is worth less than 4gb of DDR3 tri or quad channel because of the throughput on DDR3, its so much faster, it can have stuff loaded in and out so much faster, that you dont need as much (although as RAM gets faster, applications get bigger and you need more ram anyway, so this is moot).

Also, the bus speeds of the cpu and the ram should match, the closer they match, or if one a multiple of the other ie. both 200, or 1 is 300 and the other is 150, these all add up to over all power. So, what i mean by, what does FLOPS mean... it means pretty much fuck all on its own'


Ie: He's telling me that PS4 will kill XboxNext
 

nasos_333

Member
The train with 500 people would have made the trip 4 times by the time the larger capacity train arrives, therefore delivering 2,000 people vs 1,000.

I think it is more like the 2000 people train has arrived, with people already going home after loading the level and the 500 people train has to go back and forth all the time trying to keep up with the player movement with clever streaming

I definitly agree that you can replace a larger ram with smaller and faster one, but having the bigger and slower one is better

Also the transfers do not happen at the exact bus speed of course
 

Proelite

Member
What if people in the slower train go through a shrinking machine, so that the slower train can carry 10,000 people instead of 2000? They get unshrunk on their way out.

Inception.
 

mrklaw

MrArseFace
What if people in the slower train go through a shrinking machine, so that the slower train can carry 10,000 people instead of 2000? They get unshrunk on their way out.

Inception.


Isn't vector and texture data already commonly in a compressed state before sending? At least I think I remember Ps2 doing something with vector compression, might be mis-remembering.
 

Proelite

Member
Isn't vector and texture data already commonly in a compressed state before sending? At least I think I remember Ps2 doing something with vector compression, might be mis-remembering.

Just making a joke. I am not hinting about next generation console abilities.
 
The train example also lacks an important feature - you not only deliever people from A to B you also take people back from B to A.

So the faster but smaller train not only bringts 2000 people he also takes 1500 people back in the same time the bigger but faster bringts 1000. However depending on the train speed and size that could be optimized and changed so the bigger train is "better".

I do believe that Sony did their homework as did Microsoft but both had different goals and scenarios in mind. Which console in the end will have the better setup is decided over the next couple of years. If Naughty Dog really had the choice between less and fast RAM or more and slower I trust their decision any day over 1000 Cryteks. Microsoft is a big software company currently struggling with phones, tablets and their cash cow Windows 8 but still I do trust them they will do the right thing aswell but from a different perspective. If they want to take over the living room from other gadgets as an extra source of income maybe some things have to be sacrificied in the gaming department.
 
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