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ATI Mobility Radeon™ HD
3800 Series - Specifications
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ATI Mobility Radeon™ HD 3800 Product Features
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- 666 million transistors on 55nm fabrication process
- Unified
Superscalar shader architecture
- Microsoft® DirectX® 10.1
- OpenGL 2.0
- Native PCI Express 2.0 x16 bus interface
- 256-bit
GDDR3 memory interface
- ATI Avivo™
HD Video and Display architecture
- ATI
PowerPlay™ 7.0 power management technology
- Ring Bus Memory Controller
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- Fully distributed design with 512-bit internal ring bus for memory reads
and writes
- Microsoft® DirectX® 10.1 support
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- 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
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- 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 80 texture fetches per clock cycle
- Up to 128 textures per pixel
- Fully associative
vertex/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
- Physics processing support
- Dynamic Geometry Acceleration
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- 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
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- 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
- Temporal anti-aliasing
- Gamma correct
- Super AA (ATI CrossFireX™ configurations only)
- All anti-aliasing
features compatible with HDR rendering
- Texture Filtering Features
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- 2x/4x/8x/16x high quality adaptive anisotropic
filtering modes (up to 128 taps per pixel)
- 128-bit floating point
HDR texture filtering
- Bicubic 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
- ATI Avivo™ HD Video and Display Platform
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- Dedicated unified video decoder (UVD) for H.264/AVC and VC-1
video formats
- High definition (HD) playback of both Blu-ray and
HD DVD formats5
- Hardware MPEG-1, MPEG-2, and DivX video decode
acceleration
- Motion compensation and iDCT
- ATI Avivo Video Post Processor
- 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
- 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
- Two integrated dual-link DVI display outputs
- Each supports 18-, 24-, and 30-bit digital displays
at all resolutions up to 1920x1200 (single-link DVI) or 2560x1600
(dual-link DVI)2
- Each includes a dual-link HDCP encoder with on-chip key
storage for high resolution playback of protected content3
- Two integrated 400 MHz 30-bit RAMDACs
- Each supports analog displays connected by VGA
at all resolutions up to 2048x15362
- DisplayPort output support4
- Supports 24- and 30-bit displays at all resolutions
up to 2560x16002
- HDMI output support
- Supports display resolutions up to 1920x10802
- Integrated HD audio controller with multi-channel (5.1)
AC3 support, enabling a plug-and-play cable-less audio solution
- Integrated AMD Xilleon™ HDTV encoder
- Provides high
quality analog TV output (component/S-video/composite)
- Supports
SDTV and HDTV resolutions
- Underscan and overscan compensation
- MPEG-2, MPEG-4, DivX, WMV9, VC-1, and H.264/AVC encoding and transcoding
- Seamless integration of pixel shaders with video in real time
- VGA mode support on all display outputs
- ATI PowerPlay™
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- 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
- ATI CrossFireX™ Multi-GPU Technology
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- Scale up rendering performance and image quality with two,
three, or four GPUs
- Integrated compositing engine
- High performance dual channel bridge
interconnect1
1 Dual channel interconnect is not required for ATI CrossFireX™ and
may not be included in all product configurations
2 Some custom resolutions require user configuration and display resolution
may be limited by your specific monitor.
3 HDCP support for playback of protected content requires connection
to a HDCP capable display
4 Requires external DisplayPort transmitter
5 Blu-ray/HD-DVD drive required.
Performance, technologies and features listed above can vary with specific notebook
implementations.
Please consult with Notebook vendor for a complete list of
supported features. |
