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G80 Features
- 90 nanometer low-k dialelectic process from TSMC
- 681 million transistors
- DirectX 10 support
- Pixel Shader 4.0
- Vertex Shader 4.0
- Unified Shader architecture
- Geometry Shaders
- 128 Scalar Stream Shaders
- 24 ROPs
- 8Kx8K texture sizes
- Multiple Render Targets 8
- R11G11B10 HDR
- 5-bit per color with 9-bit mantissa HDR HLSL10
- 16x Coverage Anti-aliasing
- Anisotropic Filtering
- 575 Core clock speed
- 1350MHz Shader speed
- 1.8 GHz memory clock speed
- 384-bit memory interface
- 86.4GB/second
The G80 uses the 90 nanometer low-k dialelectic process of TSMC with their new chipset. The G80 has 681 million transistors which is more than twice that of the R580+, and nearly 2.5x that of the previous generation GeForce 7900 series (278 million transistors). Transistors and process are only a small part of the GeForce 8800 story. There is quite a history behind the birth of the G80 and we will talk about a few of the steps and techniques used in the development of what we see as the G80 on the market today. NVIDIA has a large team of engineers dedicated to their graphics architecture and this chip is the accumulation of years of that developmental process.
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