Memory
| Graphics adapter memory type |
GDDR3 |
| Memory bus |
128 bit |
| Memory clock speed |
1334 MHz |
| Discrete graphics adapter memory |
1 GB |
Performance
| DirectX version |
10.1 |
| OpenGL version |
2.0 |
| Shader model version |
4.1 |
| PhysX |
Y |
| TV tuner integrated |
N |
| HDCP |
N |
Other features
| HDMI |
N |
| Mac compatibility |
N |
Ports & interfaces
| Interface type |
AGP 8x |
| VGA (D-Sub) ports quantity |
1 |
Radeon HD4670, 1GB DDR3, 750 MHz, 667 x 2, 128 bit, AGP 8x, VGA/DVI
- 514 million transistors on 55nm fabrication process;
- 128-bit DDR3 memory interface;
- MicrosoftR DirectXR 10.1 support;
- ShaderModel 4.1;
- 32-bit floating point texture filtering;
- Indexed cube map arrays;
- Independent blend modes per render target;
- Pixel coverage sample masking;
- Read/write multi-sample surfaces with shaders;
- Gather4 texture fetching;
- Unified Superscalar Shader Architecture;
- 320 stream processing units;
- Dynamic load balancing and resource allocation for vertex, geometry, and pixel shaders;
- Common instruction set and texture unit access supported for all types of shaders;
- Dedicated branch execution units and texture address processors;
- 128-bit floating point precision for all operations;
- Command processor for reduced CPU overhead;
- Shader instruction and constant caches;
- Up to 128 texture fetches per clock cycle;
- Up to 128 textures per pixel;
- Fully associative multi-level texture cache design;
- DXTC and 3Dc+ texture compression;
- High resolution texture support (up to 8192 x 8192);
- Fully associative texture Z/stencil cache designs;
- Double-sided hierarchical Z/stencil buffer;
- Early Z test, Re-Z, Z Range optimization, and Fast Z Clear;
- Lossless Z & stencil compression (up to 128:1);
- Lossless color compression (up to 8:1);
- 8 render targets (MRTs) with anti-aliasing support;
- Accelerated physics processing.
