The Hardware
- Produced on a 0.13µ process
- Flip-chip design
- 256 bit GPU
- 125 million transistors
- Eight Pixel Shaders
- x Vertex Shaders
- Clock speeds of at least 500 MHz
- DDR-II memory starting at 500 MHz (1 GHz DDR)
- 128 bit memory bus
- Optimized memory interface with lossless Z-compression and color data compression
- AGP 8X
- FX Flow - proprietary copper heat pipe cooling solution
NVIDIA GeForceFX reference card - Top-left view.
3D Features
- Full DirectX 9 support
- Adaptive anisotropic filtering
- Intellisample antialiasing
- 32/64/128 bit color Format (variable)
- Digital Vibrance Control 3.0
- Pixel Shader 2.0+:
Swipe to scroll horizontally
| Header Cell - Column 0 | DirectX 8 | DirectX 8.1 | DirectX 9 | GeForceFX |
|---|---|---|---|---|
| Pixel Shader | 1.1 | 1.4 | 2.0 | 2.0+ |
| Max. Texture Instruction | 4 | 6 | 16 | 16 |
| Max. Color Instructions | 4 | 8 | 32 | 1024 |
| Max. Temp Storage | 8 | 8 | 64 | 1024 |
| Data Type | Integer | Integer | Floating P. | Floating P. |
| (Max.) Data Precision | 32 bit | 48 bit | 128 (96) bit | 64 or 128 bit |
| Instruction Predicates | - | - | 12 | 64 |
| Unlimited Dependet Textures | - | - | - | Yes |
| Swizzling | - | - | - | Yes |
| Advanced Instructions | - | - | - | Yes |
| Conditional Write Masks | - | - | - | Yes |
| Dynamic Flow Control | - | - | - | Yes |
This table shows the differences between the GeForce4 Ti4600 (PS 1.1), the Radeon 8500/9000 (PS 1.4), the Radeon 9500/9700 (PS 2.0), and the GeForceFX (PS 2.0+).
- Vertex Shader 2.0+:
Swipe to scroll horizontally
| Header Cell - Column 0 | DirectX 8 | DirectX 9 | GeForceFX |
|---|---|---|---|
| Vertex Shader | 1.1 | 2 | 2.0+ |
| Max. Instructions | 128 | 1024 | 65536 |
| Max. Static Instructions | 128 | 256 | 256 |
| Max. Constants | 96 | 256 | 256 |
| Temporary Registers | 12 | 12 | 16 |
| Max Loops | 0 | 4 | 256 |
| Conditional Write Masks | - | - | Yes |
| Call & Return | - | - | Yes |
| Static Flow Control | - | Yes | Yes |
| Dynamic Flow Control | - | - | Yes |
The above table shows the differences between the GeForce4 Ti4600 and Radeon 8500/9000 (VS 1.1), the Radeon 9500/9700 (VS 2.0), and the GeForceFX (PS 2.0+).