LE comparatif

Comparatif Playstation 1/Playstation 2
Machine	Playstation	Playstation 2
Vitesse du CPU	33,86 MHz	300 MHz
Memoire	3,5 MB	32 MB
Cadence de memoire	132 MB /sec	3,2 GB /sec
Polygones / sec	360 000 /sec	+35 millions/sec
Lecteur	CD-Rom : 650 MB	DVD-Rom : 4,7 GB

Pour les fans de chiffres, voici les caractéristiques techniques de la Playstation 2

CARACTERISTIQUES VIDEOS :

Graphics Synthesizer : GS Core : Parallel Rendering Processor with embedded DRAM Clock Frequency :150 MHz No. of Pixel Engines : 16 (in Parallel) Embedded DRAM : 4 MB of multi-port DRAM (Synced at 150MHz) Total Memory Bandwidth : 48 Giga Bytes per Second Combined Internal : Data Bus bandwidth 2560 bit Read 1024 bit, Write 1024 bit, Texture 512 bit Display Colour Depth : 32 bit (RGBA: 8 bits each) Z Buffering

FONCTIONS GRAPHIQUES

Texture Mapping, Bump Mapping, Fogging, Alpha Blending, Bi- and Tri-Linear Filtering, MIPMAP, Multi-pass Rendering.

PERFORMANCES

Pixel Fill Rate : 2.4 Giga Pixel per Second (with Z buffer and Alphablend enabled) 1.2 Giga Pixel per Second (with Z buffer, Alpha and Texture) Particle Drawing Rate : 150 Million /sec Polygon Drawing Rate : 75 Million /sec (small polygon) 50 Million /sec (48 Pixel quad with Z and A) 30 Million /sec (50 Pixel triangle with Z and A) 25 Million /sec (48 Pixel quad with Z, A and T) Sprite Drawing Rate : 18.75 Million (8 x 8 Pixels) Display output : NTSC/PAL Digital TV (DTV): VESA (maximum 1280 x 1024 pixels) Silicon process technology 0.25 m 4-level metal Total number of transistors : 43 Millions Size : 279mm2 Package Type : 384 pin BGA

CARACTERISTIQUES SONORES

SPU2+CPU Nombre de voies : ADPCM: 48ch on SPU2 plus definable, software programmable voices Frequence d'echantillonnage : 44.1 KHz or 48 KHz (selectable)

AUTRES CHIFFRES

CPUcore : 128 bit RISC (MIPS IV-subset) ClockFrequency : 300MHz IntegerUnit : 64bit (2-way Superscalar) Multimediaextendedinstructions : 107 instructions at 128 bit width IntegerGeneralPurposeRegister : 32 at 128 bit width TLB: 48 double entries InstructionCache : 16KB (2-way) DataCache : 8KB (2-way) ScratchPadRAM : 16KB (Dual port) MainMemory : 32MB (Direct RDRAM 2ch@800MHz) Memorybandwidth : 3.2GB/sec DMA :10 channels Co-processor1 : FPU (FMAC x 1, FDIV x 1) Co-processor2: VU0 (FMAC x 4, FDIV x 1) MicroMemory : (I:4KB D:4KB) VectorProcessingUnit :VU1 (FMAC x 5, FDIV x 2) MicroMemory : (I:16KB D:16KB) FloatingPointPerformance : 6.2GFLOPS GEOMETRY : +PerspectiveTransformation : 66 Million Polygons/sec +Lighting : 38 Million Polygons/sec +Fog : 36 Million Polygons/sec CurvedSurfaceGeneration(Bezier) : 16Million Polygons/sec ImageProcessingUnit : MPEG2 Macroblock Layer Decode ImageProcessingPerformance :150Million Pixels/sec Gatewidth : 0.18 micron VDDVoltage : 1.8 V PowerConsumption :15 Watts MetalLayers : 4 TotalTransistors : 10.5 Million DieSize : 240 mm2 Package : 540pin PBGA

Pour ceux qui n'ont rien compris, et qui sont encore la pour me lire, la Playstation 2 dépasse tout ce qui se fait actuellement, meme en matiere de PC (Pentium 3).