Xenos (GPU)
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Custom ATI (Xenos) ATI R500 based Graphics Processor (90/80/65nm Process)
- 325 Million transistors (235m Parent Die / 90m Daughter Die) (Other specs say 337 million total)
- GPU & Northbridge (Northbridge on Parent Die)
- Two-die design, with two chips in a single package on a single substrate
- Parent die contains the GPU and memory controller
- Daughter die consists of the 10MB of eDRAM & additional logic (FSAA, Alpha, ZLogic & Stencil)
- 2GHz link between the parent and daughter die
- 500MHz processor
- 10 MB of embedded DRAM (By NEC)
- 48-way parallel floating-point dynamically scheduled shader pipelines
- 4 ALU's per pipe for Vertex or Pixel Shader processing
- Unified shader architecture (Beyond Shader Model 3.0)
- Three SIMD engines with 16 processors per unit (The 48 shader pipeline)
- 16 Filtered & 16 unfiltered texture samples per clock
- HDR Rendering
- DirectX 9
- Limited support for DirectX 10
- Handles all scaling of video (resolution).