ATI R423 Chip Details
| Main Chip Details |
| Manufacturer |
ATI |
| Process |
130nm |
| Foundry |
TSMC |
| Transistor Count |
160M |
| Die Size |
289mm²
16.5mm x 17.5mm |
| Chip Package |
Flipchip |
| Memory Bus |
| Bus Width |
256-bit |
| Memory Channels |
4 x 64-bit |
| Memory Type Support |
DDR, GDDR-2, GDDR-3 |
| Geometry Pipeline |
| Geometry Processing |
VS2.0 |
| Processor Configuration |
6 Vertex Shader |
| Rasteriser |
| Basic Pipeline Config |
16 / 16 / 16
Textures / Pixels / Z
|
| Textures Per Pass |
16 |
| Basis Filtering |
Bilinear |
| Texture Filtering Methods |
Bilinear, Trilinear, 16X Anisotropic |
| Texture Compression |
DXTC (1-5) / S3TC / 3Dc |
| Fragment Processing |
PS2.0b |
| Fragment Processing Precision |
FP24 |
| Fragment Processors |
1 Full, 1 Mini ALU per pipe, each ALU capable of Vec3 / Scalar Co-issue |
| FSAA |
| FSAA Support |
Multi-Sampling |
| ROP Subsamples |
2 |
| Subsampling Method |
2X/4X/6X Sparse Sampling |
| Further Details |
| API Compliance |
DX9.0 |
| System Interconnect |
PEG x16 |
| Display Pipeline |
Dual 400MHz RAMDAC's, TMDS, TV-Out |
| Multi GPU Support |
Up to 256 Chips |
Notes
As Per R420, but with native PCI Express bus as opposed to AGP
