[Definitive] Sony PS3 Thread


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To clear up the memory misconceptions:

The Xbox 360 has two kinds of memory:

512MB of GDDR3 memory @ 700mhz - This uses an SGI/Xbox1-like UMA "Unified Memory Architecture" so that both the CPU and GPU can access it directly. This gives the developer freedom to use that space for textures as well as general program data.

10MB of eDRAM built into the GPU - This serves as the Xbox 360's framebuffer and provides astounding bandwidth and incredibly low-latency access. This is what will make the 360's uber-Anti Aliasing work.

The PS3 has two kinds of memory, according to the GameSpot article:

256MB of Rambus' XDR memory. This is apparently for the exclusive use of the CPU.

256MB of GDDR memory @ 700mhz. This is apparently the framebuffer + texture cache for the GPU.

So wait a second - 3 ethernet ports on the back of that? And I read before that it'll connect wirelessly with the PSP, but will it also be able to connect to my wireless router? I mean, that's the problem I have with the PS2 - I'm not running cat5 in the living room - my wife would die...

you're right. lol, it has some BIG performance differences when comparing single percision and double percision calculations.

http://www.research.ibm.com/cell/

#  Peak performance (single precision): > 256 GFlops

# Peak performance (double precision): >26 GFlops

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Hehe, did some people think I made that up? :p

Expected Release: Spring 2006

PS3 Overview Gamespot Article: http://www.gamespot.com/news/2005/05/16/news_6124681.html

Sony Press Release: http://biz.yahoo.com/prnews/050516/sfm178.html?.v=2

Click for larger view

th_ps3_screen006.jpgth_ps3_screen001.jpgth_ps3_screen005.jpg

th_ps3_screen002.jpgth_ps3_screen003.jpgth_ps3_screen004.jpgth_ps3_screen007.jpg

PS3's CPU

Cell Processor

Jointly developed by IBM, Sony Group and Toshiba Corporation.

Processor: 1x Cell processor running @ 3.2 Ghz (About 2.18 teraflops of overall performance)

Main RAM developed by Rambus Inc.

Main RAM: 256MB XDR main RAM @ 3.2 Ghz

Main RAM Bandwidth: 25.6GB/s

VRAM: 256MB of GDDR VRAM @ 700mhz

VRAM Bandwidth: 22.4GB/s

Cell Processor Explained: http://www.anandtech.com/cpuchipsets/showdoc.aspx?i=2379

PS3's Graphics Chip

RSX "Reality Synthesizer"

Co-developed by NVIDIA Corporation and SCEI.

GPU will be capable of 128bit pixel precision, 1080p resolution.

Graphics chip capable of 100 billion shader operations and 51 billion dot products per second.

RSX is more powerful than two GeForce 6800 Ultra video cards.

Media Format

Blu-Ray Discs

BD-ROM: Maximum storage capacity of 54 GB (dual layer)

AV Outputs

Supported Screen sizes: 480i, 480p, 720p, 1080i, 1080p

HDMI out x 2

AV Multi-Out x 1

Digital AudioOut (OPTICAL) x 1

Communication

Ethernet: (10BASE-T, 100BASE-TX, 1000BASE-T) x 3 (input x 1 + output x 2)

Wi-Fi: IEEE 802.11 b/g

Bluetooth: Bluetooth 2.0 (EDR)

Sound Support

Dolby 5.1, DTS, LPCM, etc. (Cell-based processing)

Supported Disc Media

Blu-ray Disc: BD-ROM, BD-Video, BD-ROM, BD-R, BD-RE

DVD: PS3DVD-ROM, PS2 DVD-ROM, DVD-Video, DVD-ROM, DVD-R, DVD-RW, DVD+R, DVD+RW

CD: PlayStation CD-ROM, CD-ROM, CD-DA, CD-DA (ROM), CD-R, CD-RW, SACD

Other Key Points:

The PS3 is backward-compatible to play PS2 and original Playstation games.

Epic Games' Tim Sweeney quoted that the PS3 was "easy to program for."

Supports up to 7 wireless controllers via Bluetooth wireless technology.

Slots for Memory Stick Duo, a SD slot, and a compact flash memory slot.

Features a detachable 2.5 inch HDD. HD size(s) currently unknown.

Multiple multimedia features including video chat, internet access, digital photo viewing.

Two HD outputs allow two side-by-side HDTVs to projecting video in a 32:9 extra-widescreen format.

Feature integration with the Sony PSP. (Remote Screens, and maybe extra controller?)

High Profile Games

Konami

Metal Gear Solid 4

Capcom

Devil May Cry 4

EA

Fight Night

Madden

Namco

Tekken 6

Polyphony Digital

Gran Turismo 5

Rockstar

Next-Gen Grand Theft Auto

SCEE

Next-Gen Killzone

Edited by ItsOnlyMonday
The one processor is called the Cell. There is one PowerPC Processing Element (PPE), and eight Synergistic Processing Elements (SPE).

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When Sony/IBM said the processor would have 6-8 "cells", they were referring to the SPEs. Each one is considered a "cell" - and the idea is that the PPE can be outfitted with varying numbers of "cells" which are produced more or less seperately.

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