Processor
| Processor frequency |
600 MHz |
| Graphics adapter RAMDAC |
400 MHz |
| Graphics processor family |
AMD |
| Stream processors |
320 |
Performance
| DirectX version |
10.1 |
| OpenGL version |
3.1 |
| Shader model version |
4.1 |
| HDCP |
Y |
Memory
| Memory bus |
128 bit |
| Memory clock speed |
800 MHz |
| Discrete graphics adapter memory |
1 GB |
Other features
| HDMI |
Y |
| Mac compatibility |
N |
Ports & interfaces
| Interface type |
PCI Express 2.0 |
| DVI-I ports quantity |
1 |
| VGA (D-Sub) ports quantity |
1 |
Radeon HD4650 SCS3 1024MB, DDR2, PCI-E, 600MHz, DirectX 10.1
514 million transistors on 55nm fabrication process
PCI Express 2.0 x16 bus interface
GDDR3/DDR3/DDR2 memory interface (depending on model)
MicrosoftR DirectXR 10.1 support
- Shader Model 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 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;
- Physics processing support.
Dynamic Geometry Acceleration
- High performance vertex cache;
- Programmable tessellation unit;
- Accelerated geometry shader path for geometry amplification;
- Memory read/write cache for improved stream output performance.
Anti-aliasing features
- Multi-sample anti-aliasing (2, 4, or 8 samples per pixel);
- Up to 24x Custom Filter Anti-Aliasing (CFAA) for superior quality;
- Adaptive super-sampling and multi-sampling;
- Gamma correct;
- Super AA (ATI CrossFireX configurations only)
- All anti-aliasing features compatible with HDR rendering.
Texture filtering features
- 2x/4x/8x/16x high quality adaptive anisotropic filtering modes (up to 128 taps per pixel);
- 128-bit floating point HDR texture filtering;
- sRGB filtering (gamma/degamma);
- Percentage Closer Filtering (PCF);
- Depth & stencil texture (DST) format support;
- Shared exponent HDR (RGBE 9:9:9:5) texture format support.
OpenGL 3.1 support
ATI Avivo HD Video and Display Platform
