VisionTek - High-Performance PC and Mac Upgrades and Enhancements

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AMD Radeon HD 6990 4GB PCIe

Immerse yourself with AMD Eyefinity technology and expand your games across up to six simultaneous displays.1 Purpose-built to dominate your gaming competition in the most advanced DirectX® 11 titles, the AMD Radeon™ HD 6990 is quite simply the fastest graphics processor in the world.7 Experience the incredible power of dual GPUs armed with full support for Microsoft DirectX® 11 and scalable geometry processing, for unrivaled performance and flawless image quality. Unleash even the most demanding applications and tap into stunning video quality with AMD EyeSpeed visual acceleration technology.2,3,4 Get unrivaled graphics. Get Radeon™ in your system.


Designed to deliver the ultimate in immersive HD gaming/computing, the AMD Radeon™ HD 6990 graphics processor:


  • Establishes a “King of the Hill” reputation through raw performance and an amazing array of ground-breaking features
  • Provides unrivaled frame rates and flawless image quality to give hardcore gamers every advantage
  • Offers a stunning array of advanced technologies, like AMD Eyefinity technology, AMD PowerTune technology, AMD HD3D technology and full DirectX® 11 support1,5
  • Makes video playback, editing and transferring content to portable media players lightning fast and simple
  • Offers forward-thinking technologies and incredible performance scalability


  Unlike the competition, the AMD Radeon™ HD 6990 graphics processor:


  • Leads the pack with dual GPUs, each featuring an advanced DirectX®11-capable graphics architecture that enables flawless visuals and unrivaled HD gaming performance.
  • Enables DirectX® 11 gaming on up to six simultaneous displays, as well as Stereoscopic 3D gaming and Blu-Ray 3D playback with AMD HD3D technology, all from a single graphics card solution1,5


 Get immersed with AMD Eyefinity technology


  • Featuring 4GB of high-speed GDDR5 memory, the AMD Radeon™ HD 6990 is the definitive solution for ultra-high resolution gaming across up to six simultaneous displays.
  • Expand your favorite games across up to six displays with AMD Eyefinity technology for an incredibly expansive field of view.1
  • See more of the battle than ever before with up to six simultaneous displays enabling an intense “wrap around” experience to put you right into the game.1
  • Get the freedom and flexibility to upgrade. This modular solution enables you to add additional displays as you need them.1• Get more done. Put your productivity into overdrive and let up to six displays put all the information you need right before your eyes.1
  • Don’t choose between play and work. Let up to six displays help you enjoy games, movies and the web at the same time.


 Get amazing Eye-Definition graphics with DirectX® 11 technology 


  • Accept nothing less than the best. With dual GPUs and 4GB of ultra-fast GDDR5 memory, the AMD Radeon™ HD 6990 enables flawless detail and unrivaled performance in the most demanding DirectX® 11 games.
  • Harnessing the incredible power of dual GPUs with full support for DirectX® 11 and scalable geometry processing, the AMD Radeon HD™ 6990 is simply the fastest graphics processor in the world.7
  • With unrivaled frame rates and flawless graphics, the AMD Radeon™ HD 6990 is the definitive solution for uncompromising gamers.
  • Leave no performance behind. Take control of the AMD Radeon™ HD 6990 with AMD PowerTune technology, an exceptionally intelligent power management system designed to optimize GPU performance.
  • Maximum efficiency. Maximum performance. AMD PowerTune technology in the AMD Radeon™ HD 6990 puts exceptionally intelligent power management under your control.
  • Set the bar for beautifully smooth image quality with Enhanced Quality Anti-Aliasing (EQAA) on the AMD Radeon™ HD 6990 .






  • 4GB GDDR5 Memory
  • Up to 1250MHz Memory Clock (5.0 Gbps GDDR5)
  • 320 GB/s memory bandwidth (maximum)
  • TeraScale 3 Unified Processing Architecture 3072 Stream Processors
  • 192 Texture Units
  • 128 Z/Stencil ROP Units
  • 64 Color ROP Units
  • Dual geometry and dual rendering engines
  • High Speed 256-bit GDDR5 memory interface
  • PCI Express 2.1 x16 bus interface
  • “Eye-Definition” graphics
  • Full DirectX® 11 support
  • Scalable geometry processing technology
  • Shader Model 5.0
  • DirectCompute 11 support
  • OpenGL 4.1 support
  • Image quality enhancement technology
  • Up to 24x multi-sample and super-sample anti-aliasing modes
  • Adaptive anti-aliasing
  • Enhanced Quality Anti-Aliasing (EQAA)
  • Morphological Anti-Aliasing (MLAA)
  • Independent resolutions, refresh rates, color controls, and video overlays
  • Combine multiple displays to behave like a single large display
  • AMD EyeSpeed visual acceleration2
  • AMD Accelerated Parallel Processing (APP) technology3,4
  • OpenCL 1.1 Support
  • DirectCompute
  • UVD 3 dedicated video playback accelerator
  • MPEG-4 AVC/H.264 VC-1 MPEG-2 (SD & HD) Multi-View Codec (MVC)
  • MPEG-4 part 2 (DivX, Xvid)
  • Adobe Flash
  • Dual-stream HD (1080p) playback support
  • DXVA 1.0 & 2.0 support
  • AMD HD3D technology5
  • Stereoscopic 3D display/glasses support
  • Blu-ray 3D support
  • Stereoscopic 3D gaming
  • 3rd party Stereoscopic 3D middleware software support
  • AMD CrossFireX™ multi-GPU technology6
  • Dual card performance scaling
  • Cutting-edge display support
  • DisplayPort 1.2
  • HDMI 1.4a with Stereoscopic 3D Frame Packing Format, Deep Color, xvYCC wide gamut support, and high bit-rate audio Max resolution: 1920x1200
  • Dual-link DVI with HDCP Max resolution: 2560x1600
  • 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
  • AMD PowerTune technology
  • Dynamic power management with low power idle state
  • Ultra-low power state support for multi-GPU configurations
  • AMD Catalyst™ graphics and HD video configuration software
  • Software support for Windows 7, Windows Vista, and Windows XP
  • AMD Catalyst™ Control Center - AMD Catalyst™ software application and user interface for setup, configuration, and accessing features of AMD Radeon products.
  • Unified Graphics display driver - AMD Catalyst™ software enabling other PC programs and devices to use advanced graphics, video, and features of AMD Radeon™ products.

Specifications (BIOS):


Default (BIOS1)

  • Up to 830MHz Engine Clock
  • 5.10 TFLOPs Single Precision compute power
  • 1.27 TFLOPs Double Precision Compute Power

Overclocked (BIOS2) Up to 880MHz Engine Clock

  • 5.40 TFLOPs Single Precision compute power o 1.37 TFLOPs Double Precision Compute Power



System requirements:


  • PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard
  • 750W Watt or greater power supply with two 150W 8-pin PCI Express® power connectors recommended (1000W and four 8-pin connectors recommended for AMD CrossFireX™ technology in dual mode. 1200W recommended for optimal performance).
  • Certified power supplies are recommended. Refer to for a list of Certified products
  • Minimum 1GB of system memory
  • Installation software requires CD-ROM drive, a keyboard, a mouse, and a display
  • DVD playback requires DVD drive and a DVD
  • Blu-ray™ playback requires Blu-ray drive and a Blu-ray disc
  • For an AMD CrossFireX™ system, a second AMD Radeon™ HD 6990 Graphics card, an AMD CrossFireX™ Ready motherboard and one AMD CrossFireX™ Bridge Interconnect cable is required
  • Use of 3 or more displays with AMD Eyefinity technology requires a DisplayPort-capable panel or an AMD Eyefinity validated dongle. See for a list of validated DisplayPort dongles.


Supported configurations

  • Dual link DVI-D + DisplayPort +DisplayPort + DisplayPort +DisplayPort
  •  Dual link DVI-D + Single Lind DVI-D +DisplayPort + DisplayPort +DisplayPort
  •  Dual link DVI-D + HDMI +DisplayPort + DisplayPort +DisplayPort



Note: Active adapters most be used when more than two DVI's and/or HDMI outputs are required. Active adapters must be used for Dual Link DVI or VGA output.





Additional hardware (e.g. Blu-ray drive, HD or 10-bit monitor, TV tuner) and/or software (e.g. multimedia applications) are required for the full enablement of some features. Not all features may be supported on all components or systems - check with your component or system manufacturer for specific model capabilities and supported technologies.

1 AMD Eyefinity technology works with games that support non-standard aspect ratios, which is required for panning across multiple displays. To enable more than two displays, additional panels with native DisplayPort™ connectors, and/or DisplayPort™ compliant active adapters to convert your monitor’s native input to your cards DisplayPort™ or Mini-DisplayPort™ connector(s), are required. SLS (“Single Large Surface”) functionality requires an identical display resolution on all configured displays.
2 AMD EyeSpeed is a set of technologies designed to improve video quality and enhance application performance. Full enablement of some features requires support for AMD Accelerated Parallel Processing (APP) technology and/or AMD’s Universal Video Decoder (UVD).
3 AMD PowerPlay™ and AMD Accelerated Parallel Processing (APP) are technology platforms that include a broad set of capabilities offered by certain AMD Radeon™ HD GPUs. Not all products have all features and full enablement of some capabilities and may require complementary products.
4 Requires application support for AMD Accelerated Parallel Processing (APP) technology. AMD Accelerated Parallel Processing technology works with applications designed to take advantage of its GPU acceleration capabilities.
5 AMD HD3D is a technology designed to enable stereoscopic 3D support in games, movies and/or photos. Requires 3D stereo drivers, glasses, and display.
6 AMD CrossFireX™ technology requires an AMD CrossFireX Ready motherboard, an AMD CrossFireX™ Bridge Interconnect (for each additional graphics card) and may require a specialized power supply.
7 Based on 3DMark® 11 score exceeding X2600 as evaluated by AMD performance labs using the AMD Radeon™ HD 6990 4GB, which is the highest recorded result as of January 10, 2011. Testing based on AMD Catalyst™