ATI Radeon HD5770 Features

I originally had a hard time thinking that CrossFireX actually had features. I tend to think of it as just the act of hooking two or more cards together with a jumper cable. But the more I thought about it, there are hardware and software components to it. Someone had to design those things, and the design had to fulfill certain requirements, and another word for requirements is "Features." So, I got it sorted in my head, and started to look around for what features might be included in CrossFireX. Here's what ATI has to say:

What Is ATI CrossFireX
ATI CrossFireXTMis the ultimate multi-GPU performance gaming platform. Enabling game-dominating power, ATI CrossFireX technology enables two or more discrete graphics processors to work together to improve system performance. For The Ultimate Visual ExperienceTM, be sure to select ATI CrossFireX ready motherboards for AMD and Intel® processors and multiple ATI RadeonTM HD graphics cards.

ATI CrossFireX technology allows you to expand your system's graphics capabilities. It allows you the ability to scale your system's graphics horsepower as you need it, supporting up to four ATI RadeonTM HD graphics cards, making this the most scalable gaming platform ever.

Extreme High-Definition Gaming
Arm yourself with up to four ATI Radeon HD graphics cards to move faster, aim quicker, and see more clearly than all who stand between you and victory. With an ATI CrossFireX gaming rig, you can breakthrough traditional graphics limitations to achieve higher performance and The Ultimate Visual ExperienceTM.

Products featuring ATI CrossFireX technology offer a range of solutions for a whole new gaming experience. Whether you're an up-and-comer or a pro-tournament master, ATI CrossFireX raises the bar for competitive performance and visual thrills.

What Are The Benefits Of ATI CrossFireX?
With an ATI CrossFireX gaming rig, you can break through the traditional graphics limitation allowing you to higher performance as well as visual experience.

Does ATI CrossFireX Only Benefit The High-End Cards?
No. ATI CrossFireX technology brings a whole new level of gaming experience throughout our products line-up. Whether you have an entry level or top end solution, ATI CrossFireX will raise the bar in bringing the ultimate performance and visual experience.

Just to refresh your memory, here are the basic features of the Radeon HD5770.

ATI Radeon HD 5770 GPU Feature Summary

• 1.04 billion 40nm transistors
• TeraScale 2 Unified Processing Architecture
  • 800 Stream Processing Units
  • 40 Texture Units
  • 64 Z/Stencil ROP Units
  • 16 Color ROP Units
• GDDR5 memory interface
• PCI Express 2.1 x16 bus interface
• DirectX® 11 support
  • Shader Model 5.0
  • DirectCompute 11
  • Programmable hardware tessellation unit
  • Accelerated multi-threading
  • HDR texture compression
  • Order-independent transparency
• OpenGL 3.2 support1
• Image quality enhancement technology
  • Up to 24x multi-sample and super-sample anti-aliasing modes
  • Adaptive anti-aliasing
  • 16x angle independent anisotropic texture filtering
  • 128-bit floating point HDR rendering
• ATI Eyefinity multi-display technology2,3
  • Three independent display controllers - Drive three displays simultaneously with independent resolutions, refresh rates, color controls, and video overlays
  • Display grouping - Combine multiple displays to behave like a single large display
• ATI Stream acceleration technology
  • OpenCL 1.0 compliant
  • DirectCompute11
  • Accelerated video encoding, transcoding, and upscaling4,5
  • Native support for common video encoding instructions
• ATI CrossFireXTM multi-GPU technology6
  • Dual GPU scaling
• ATI Avivo HD Video & Display technology7
  • UVD 2 dedicated video playback accelerator
  • Advanced post-processing and scaling8
  • Dynamic contrast enhancement and color correction
  • Brighter whites processing (blue stretch)
  • Independent video gamma control
  • Dynamic video range control
  • Support for H.264, VC-1, and MPEG-2
  • Dual-stream 1080p playback support9,10
  • DXVA 1.0 & 2.0 support
  • Integrated dual-link DVI output with HDCP11
    • Max resolution: 2560x160012
  • Integrated DisplayPort output
    • Max resolution: 2560x160012
  • Integrated HDMI 1.3 output with Deep Color, xvYCC wide gamut support, and high bit-rate audio
    • Max resolution: 1920x120012
  • Integrated VGA output
    • Max resolution: 2048x153612
  • 3D stereoscopic display/glasses support13
  • Integrated HD audio controller
    • Output protected high bit rate 7.1 channel surround sound over HDMI with no additional cables required
    • Supports AC-3, AAC, Dolby TrueHD and DTS Master Audio formats
• ATI PowerPlayTM power management technology7
  • Dynamic power management with low power idle state
  • Ultra-low power state support for multi-GPU configurations
• Certified drivers for Windows 7, Windows Vista, and Windows XP

1. Driver support scheduled for release in 2010
2. Driver version 8.66 (Catalyst 9.10) or above is required to support ATI Eyefinity technology and to enable a third display you require one panel with a DisplayPort connector
3. ATI Eyefinity technology works with games that support non-standard aspect ratios which is required for panning across three displays
4. Requires application support for ATI Stream technology
5. Digital rights management restrictions may apply
6. ATI CrossFireXTMtechnology requires an ATI CrossFireX Ready motherboard, an ATI CrossFireXTM Bridge Interconnect for each additional graphics card) and may require a specialized power supply
7. ATI PowerPlayTM, ATI AvivoTMand ATI Stream are technology platforms that include a broad set of capabilities offered by certain ATI RadeonTMHD GPUs. Not all products have all features and full enablement of some capabilities and may require complementary products
8. Upscaling subject to available monitor resolution
9. Blu-ray or HD DVD drive and HD monitor required
10. Requires Blu-ray movie disc supporting dual 1080p streams
11. 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.
12. Some custom resolutions require user configuration
13. Requires 3D Stereo drivers, glasses, and display

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