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 |
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 |
1334 MHz |
| 独立显卡适配器內存 |
1 GB |
性能
| DirectX版本 |
10.1 |
| OpenGL版本 |
2.0 |
| 最高着色模型版本 |
4.1 |
| HDCP |
Y |
端口 & 界面
| 接口类型 |
AGP 8x |
| HDMI端口数量 |
1 |
| VGA（D-SUB）端口数量 |
1 |
Radeon HD4670, 1GB DDR3, 750MHz, 128bit, DirectX 10.1, PCIE 2.0, DVI, VGA, HDMI
Professional Cooling System optimized by ARCTIC COOLING
- 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
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
- Fully associative multi-level texture cache design
- DXTC and 3Dc+ texture compression
- 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 CrossFireXTMconfigurations only)
- All anti-aliasing features compatible with HDR renderin
- Texture filtering features
- 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
- ATI AvivoTMHD Video and Display Platform1
- 2nd generation Unified Video Decoder (UVD 2)
- Hardware MPEG-1, and DivXvideo decode acceleration
- Motion compensation and IDCT
- ATI AvivoVideo Post Processor1
- New enhanced DVD up-conversion to HD
- New automatic and dynamic contrast adjustment
- Color space conversion
- Chromasubsamplingformat 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
- Full score in HQV (SD) and HQV (HD) video quality benchmarks
- 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 underscan support for all display outputs
- Content-adaptive de-flicker filtering for interlaced displays
- Fast, glitch-free mode switching
- Hardware cursor
- Integrated HD audio controller with up to 2 channel 48 kHz stereo or multi-channel (7.1) AC3 enabling a plug-and-play cable-less audio solution
- 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 Technology4
- 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 required
- Dual Mode ATI CrossFireXTM Multi-GPU Technology
- Scale up rendering performance and image quality with up to fourGPUs
- Integrated compositing engine
- High performance bridge interconnect
