Graphics Synthesizer – Features and General Specifications
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 Color Depth 32 bit (RGBA: 8 bits each)
Z Buffering 32 bit
Rendering Functions Texture Mapping, Bump Mapping
Fogging, Alpha Blending
Bi- and Tri-Linear Filtering
MIPMAP, Anti-aliasing
Multi-pass Rendering
Rendering Performance
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 µ 4-level metal
Total number of transistors 43 Million
Die size 279mm2
Package Type: 384 pin BGA
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