System Overview

-128-bit CPU core "Emotion Engine"

-GS "Graphics Synthesis"

-SPU2 "Sound Synthesizer"

-I/O Processor

-DVD/CD-ROM Disc system

-Digital I/F

Emotion Engine

Cpu core and Co-processors

CPU specification

-CPU Core: 128 bit CPU

-System Clock: 300MHz

-Bus Bandwidth: 3.2 GB/sec

-Main Memory: Direct Rambus, 32MB

-128 bit SIMD Multimedia instructions

Co-processors

-CPU Co-processor 1: FPU

-CPU Co-processor 2: VUO

-Vector Unit: VU1, Total 10 FMACs + 4 FD/Vs

-Floating Point Calculation: 6.2 GFLOPS

MPEG2 Capability

-Image Processing Unit (IPU)

-Macro block layer decoder

-150M pixel/sec, 8x speed for 640(H)x480(V)/60fps

-DVD movie

CPU Performance

-15x faster floating point calculations than Pentium II, and 3x faster than the Pentium III

-66M polygon/sec geomery calcuations

-16M polygon/sec curved surface generation (Bezier)


Graphics Synthesizer

Rendering Engine

Visualization

-3D Polygon (triangle, quad, mesh)

-2D Sprite

-2D/3D line

-Particle

-Point

-Photo/Movie

Visual Effects

-Anti-aliasing (surfacing,edge)

-Fogging

-Alpha Bending

-Multi-pass texture function (Filtering, Bump Mapping)

Texture Mapping

-Perspective Correction

-Modulation/Highlight

-MIPMAP

- Bi- and Tri-Linear sampling

-Zero penalty texture + alpha blend

-Color depth 4, 8, 16, or 24 bit

GS Specification

-System Clock: 1501 MHz

-Embedded DRAM: 4MB (ultra-high bandwidth)

-Bus Bandwidth: 48 GB/sec

-DRAM bus width: 2,560 bits

-Pixel Configuration: 64 bit

-24 bit RGB -8 bit Alpha Channel

-32 bit Z Buffer

-2.4 GPixel/sec

-Pixel fill rate: 2.4 GPixel/sec

Rendering Performance

-75 million polygon/sec (small polygon)

-50 million polygon/sec (48pix quad, 24 bit color, Alpha, Z)

-30 million polygon/sec (50 pixel triangle with Z and A)

-25 million polygon/sec (48 pixel quad with Z, A, and T)

-Particle Drawing Rate: 150 million/sec

-Sprite Drawing Rate: 18.75 million (8 x 8 pixels)

Sound

-48 channel ADPCM (2x SPU)

-CPU Software Voice (Future Sound)

-CD Audio

-3D Sound (Dolby AC-3, DTS)

-44.1 KHz or 48 KHz

Digital Interfaces

-IEEE 1394 (Digital AV)

-Universal Serial Bus (USB)

-PC Card (PCMCIA); Modem, Communication

-Memory Card

-Controller