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 |
端口 & 界面
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, 750MHz, 128bit, DirectX 10.1, DVI, 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 Avivo 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 Xilleon HDTV 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 PowerPlay 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