处理器
处理器频率 |
750 MHz |
图形适配器随机存取存储器数字/模拟转换器 |
400 MHz |
最大模拟分辨率 |
2048 x 1536 pixels |
最大数字分辨率 |
2560 x 1600 pixels |
流处理器 |
320 |
内存参数
图形适配器内存类型 |
GDDR3 |
数据宽度 |
128 bit |
内存时钟速度 |
667 MHz |
独立显卡适配器內存 |
1 GB |
性能
DirectX版本 |
10.1 |
最高着色模型版本 |
4.1 |
HDCP |
Y |
端口 & 界面
TV输出 |
Y |
接口类型 |
AGP 8x |
DVI-I接口数量 |
1 |
VGA(D-SUB)端口数量 |
1 |
RADEON HD4670 1GB DDR3 667MHz x 2, AGP 8X, DirectXR 10.1, Dual Link DVI-I x1, TV out, VGA
- 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.
- Gather 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.
- Dynamic Geometry Acceleration.
- High performance vertex cache.
- Programmable tessellation unit.
- Accelerated geometry shaderpath 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 improved quality.
- Adaptive super-sampling and multi-sampling.
- Gamma correct.
- Super AA (ATI CrossFireX?configurations only).
- All anti-aliasing features compatible with HDR renderin.
- 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 2.0 support.
- ATI AvivoTM HD Video and Display Platform.
- 2nd generation Unified Video Decoder (UVD 2).
- Enabling hardware decode acceleration of H.264, VC-1 and MPEG-2.
- Dual stream playback (or Picture-in-picture).
- Hardware MPEG-1, and DivXvideo decode acceleration.
- Motion compensation and IDC.
- ATI AvivoVideo Post Processor.
- Enhanced DVD up-conversion to HD.
- Color space conversion.
- Chroma subsampling format conversion.
- Horizontal and vertical scaling.
- Gamma correction.
- Advanced vector adaptive per-pixel de-interlacing.
- De-blocking and noise reduction filtering.
- Detail enhancement.
- Inverse telecine(2:2 and 3:2 pull-down correction).
- Bad edit correction.
- Automatic dynamic contrast adjustment.
- Full score in HQV (SD) and HQV (HD) video quality benchmarks.
- One independent display controllers.
- Drive two displays simultaneously with independent resolutions, refresh rates, color controls and video overlays for each display.
- Full 30-bit display processing.
- Programmable piecewise linear gamma correction, color correction, and color space conversion.
- Spatial/temporal dithering provides 30-bit color quality on 24-bit and 18-bit displays.
- High quality pre- and post-scaling engines, with underscan support for all display outputs.
- Content-adaptive de-flicker filtering for interlaced displays.
- Fast, glitch-free mode switching.
- Hardware cursor.
- Two independent display controllers.
- Drive two displays simultaneously with independent resolutions, refresh rates, color controls and video overlays for each display.
- Full 30-bit display processing.
- Programmable piecewise linear gamma correction, color correction, and color space conversion.
- Spatial/temporal dithering provides 30-bit color quality on 24-bit and 18-bit displays.
- High quality pre-and post-scaling engines, with underscansupport for all display outputs.
- Content-adaptive de-flicker filtering for interlaced displays.
- Fast, glitch-free mode switching.
- Hardware cursor.
- One integrated DVI display outputs.
- Primary supports 18-, 24-, and 30-bit digital displays at all resolutions up to 1920x1200 (single-link DVI) or 2560x1600 (dual-link DVI).
- Each includes a dual-link HDCP encoder with on-chip key storage for high resolution playback of protected content.
- Two integrated 400MHz 30-bit RAMDACs.
- Each supports analog displays connected by VGA at all resolutions up to 2048x1536.
- Integrated AMD XilleonTMHDTV encoder.
- Provides high quality analog TV output (component/S-video/composite).
- Supports SDTV and HDTV resolutions.
- Underscanand overscancompensation.
- Seamless integration of pixel shaderswith video in real time.
- VGA mode support on all display outputs.
- ATI PowerPlayTM Technology.
- Advanced power management technology for optimal performance and power savings.
- Performance-on-Demand.
- Constantly monitors GPU activity, dynamically adjusting clocks and voltage based on user scenario.
- Clock and memory speed throttling.
- Voltage switching.
- Dynamic clock gating.
- Central thermal management-on-chip sensor monitors GPU temperature and triggers thermal actions as require.