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Powercolor LCS HD 6990 4GB Review



Graphics Engine
Video Memory
Engine Clock
830MHz / 880MHz
Memory Clock
1250MHz (5.0Gbps)
Memory Interface
2 x 256-bit (256-bit)
DirectX® Support
Bus Standard
PCIE 2.1
Standard Display Connectors
Dual-link DVI-I / 4 x mini DisplayPort
Feature Support
CrossFireX™ Technology
ATI Stream Technology
ATI Eyefinity Technology
ATI Hypermemory Technology
Display Support
VGA Output
Via Adapter
DVI Output
Dual-link DVI-I / 4 x mini DisplayPort
On Board
On Board
TV Output
HDTV Output
HDCP Support
Maximum Resolution
Power Specs + Board Dimensions
Board Dimensions
Minimum System Power requirement (W)
Extention Power Connector
two 8-pin PCI Express Power connectors



  • High Speed 256-bit GDDR5 memory interface
  •  PCI Express 2.1 x16 bus interface
  • "Eye-Definition" graphics
            New and advanced architecture
                Full DirectX® 11 support
                Scalable geometry processing technology
                Shader Model 5.0
                DirectCompute 11 support
                Dual advanced programmable hardware tessellation units
                Accelerated multi-threading
                HDR texture compression
                Order-independent transparency
  • 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)
                16x angle independent anisotropic texture filtering
                128-bit floating point HDR rendering
  • AMD Eyefinity multi-display technology1
            Native support for up to 6 simultaneous displays
            Independent resolutions, refresh rates, color controls, and video overlays
            Display grouping
                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 11
                Double Precision Floating Point
                Accelerated video encoding, transcoding, and upscaling
  • UVD 3 dedicated video playback accelerator
                MPEG-4 AVC/H.264
                MPEG-2 (SD & HD)
                Multi-View Codec (MVC)
                MPEG-4 part 2 (DivX, Xvid)
                Adobe Flash
  • Enhanced Video Quality features
                Advanced post-processing and scaling
                Dynamic contrast enhancement and color correction
                Brighter whites processing (Blue Stretch)
                Independent video gamma control
                Dynamic video range control
            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 CrossFireXTM multi-GPU technology6
            Dual card performance scaling
  • Cutting-edge display support
            DisplayPort 1.2
                Max resolution: 2560x1600 per display
                Multi-Stream Transport
                21.6 Gbps bandwidth
                High bit-rate audio
  • 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 PowerPlayTM power management technology3
            AMD PowerTune technology
                Intelligent power management hardware
            Dynamic power management with low power idle state
            Ultra-low power state support for multi-GPU configurations
  • AMD CatalystTM graphics and HD video configuration software
            Software support for Windows 7, Windows Vista, and Windows XP
            AMD CatalystTM Control Center - AMD CatalystTM software application and user interface for setup, configuration, and accessing features of AMD Radeon products.
            Unified Graphics display driver - AMD CatalystTM software enabling other PC programs and devices to use advanced graphics, video, and features of AMD RadeonTM products.


All information courtesy of PowerColor @ http://www.powercolor.com/Global/products_features.asp?id=350#Specification

  1. Introduction & Closer Look
  2. Closer Look (The Video Card)
  3. Specifications & Features
  4. Testing: Setup & Overclocking
  5. Testing: Aliens vs. Predator
  6. Testing: Metro 2033
  7. Testing: HAWX 2
  8. Testing: Lost Planet 2
  9. Testing: Unigine Heaven Benchmark 2.5
  10. Testing: Just Cause 2
  11. Testing: Mafia II
  12. Testing: Battlefield: Bad Company 2
  13. Testing: Futuremark 3DMark 11
  14. Testing: Temperatures
  15. Testing: Power Consumption
  16. Conclusion
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