1.912 billion processors (956 million transistors per GPU on 55nm fabrication process)
PCI Express 2.0 x16 bus interface
256-bit + 256 bit GDDR5 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
- Gather4 texture fetching
Unified Superscalar Shader Architecture
- 1600 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 320 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^TMconfigurations 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^TMHD Video and Display Platform¹
- 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 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
Two 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)²
- Secondary supports 18-, 24-, and 30-bit digital displays at all resolutions up to 1920x1200 (single-link DVI only)²
- Each includes a dual-link HDCP encoder with on-chip key storage for high resolution playback of protected content³
Two integrated 400MHz 30-bit RAMDACs
- Each supports analog displays connected by VGA at all resolutions up to 2048x1536¹
HDMI output support
- Supports all display resolutions up to 1920x1080²
- 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 Xilleon^TMHDTV encoder
- Provides high quality analog TV output (component/S-video/composite)
- Supports SDTV and HDTV resolutions
- Underscanand overscancompensation
MPEG-2, MPEG-4, DivX, WMV9, VC-1, and H.264/AVC encoding and transcoding
Seamless integration of pixel shaderswith video in real time
VGA mode support on all display outputs
ATI PowerPlay^TM 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 CrossFireX^TM Multi-GPU Technology
- Scale up rendering performance and image quality with up to fourGPUs
- Integrated compositing engine
- High performance bridge interconnect

ATI Avivo^TM HD is a technology platform that includes a broad set of capabilities offered by certain ATI Radeon^TM HD GPUs. Not all products have all features and full enablement of some ATI Avivo^TM HD capabilities may require complementary products.

Playing HDCP content requires additional HDCP ready components, including but not limited to an HDCP ready monitor, Blu-ray or HD DVD disc drive, multimedia application and computer operating system.

ATI PowerPlayTM technology consists of numerous power saving features. Not all features may be available in all ATI Radeon HD 4800 Series graphics cards.

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Manufacturer's Warranty Contact Information

For Direct RMA services please register your PowerColor product at http://www.powercolor.com/eng/support_RMAservice_1_new.asp

Contact PowerColor:
Phone: 909-468-5100 (Monday - Friday, 9:00 AM - 5:30 PM PST)
E-Mail: usa@powercolor.com
Web: http://www.powercolor.com//Global/comp_contactus.asp

Sales & Customer Satisfaction Policy

Merchandise sold by DirectCanada.com carries a limited 15-day customer satisfaction policy and a limited 30-day DOA (dead-on-arrival) policy, from the original invoice date, and is subject to the following terms and conditions:

ALL merchandise requires an RMA number (Return Merchandise Authorization) issued by DirectCanada.com for return. RMA numbers are valid for 7-days with a small leeway for shipping times. Merchandise returned to us without a valid RMA number will be refused and shipped back to the customer at the customer's expense. Please allow 5 to 10 business days for testing and refunds to be processed.
Returned merchandise must NOT be physically damaged, including damage due to improper installation or overclocking. This includes any physical alteration to the product, modifications not approved by the manufacturer, bent pins, etc. No returns, refunds or exchanges for any special order products, Notebooks, PDAs, Televisions, Retail Box Software, OEM Software, Computer Games, Video Games, DVDs, CDs, or any products marked as "no returns" or carries a similar description on the products' page. All products are eligible for original manufacturer's warranties. Please contact the manufacturer directly. All fees, including "shipping and handling", insurance coverage fees, and "Rapid Replacement" fees are non-refundable.
UNOPENED merchandise (not including special orders or merchandise labeled "No Returns" or similar language) can be returned within 15-days under our customer satisfaction policy for a full refund, based on the current market price of the product, if the current market price is lower.
OPENED merchandise WITHOUT original packaging or materials is not eligible for return. OPENED merchandise WITH original packaging and materials may be eligible for return within our 15-day customer satisfaction policy and will be subject to a 15% restocking fee. Any returns MUST include all original parts and packing materials, or the RMA will be rejected.
LCD monitors and other products with LCD displays (i.e.: notebooks, cameras, etc.) adheres to the dead-pixel policy that been established by most of the manufacturers. Any product with an LCD screen must be a minimum of 7 (seven) dead LCD pixels to be considered defective. Please contact the manufacturer of the product for additional warranty information if you receive a product with less than 7 dead pixels.

All product warranty coverage after 30-days will be handled directly by the product manufacturer. DirectCanada.com reserves the right to refuse any returns or refunds for merchandise.

Prices, specification and terms of offers are subject to change without notice. While we make every effort to verify the accuracy of the product information posted, DirectCanada.com is not responsible typographical and/or photographic errors. DirectCanada.com reserves the right to change our terms and conditions at any time without notice.

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