ATI Radeon HD 7900

ATI Radeon HD 7900

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Description

AMD Radeon™
HD 7950 GPU
AMD Radeon™
HD 7970 GHz Edition GPU
AMD Radeon™
HD 7970 GPU
Engine Clock 850MHz (Up to 925MHz with boost) 1GHz (up to 1.05GHz with boost) Up to 925MHz
Memory 3GB GDDR5 3GB GDDR5 3GB GDDR5
Memory Clock Up to 1250MHz (5.0 Gbps GDDR5) 1500MHz (6.0 Gbps GDDR5) 1375MHz (5.5 Gbps GDDR5)
Memory Bandwidth 240GB/s 288GB/s 264GB/s
Single Precision Compute Power 2.87 TFLOPS 4.3 TFLOPS 3.79 TFLOPS
GCN Architecture1
(one compute unit equals 64 stream processors)
  • 28 compute units (1792 stream processors)
  • 112 texture units
  • 128 z/stencil ROP units
  • 32 color ROP units
  • Dual geometry units
  • Dual Asynchronous Compute Engines (ACE)
  • 32 compute units (2048 stream processors)
  • 128 texture units
  • 128 z/stencil ROP units
  • 32 color ROP units
  • Dual geometry units
  • Dual Asynchronous Compute Engines (ACE)
  • 32 compute units (2048 stream processors)
  • 128 texture units
  • 128 z/stencil ROP units
  • 32 color ROP units
  • Dual geometry engines
  • Dual Asynchronous Compute Engines (ACE)
Bus Interface7 PCI Express 3.0 x16 PCI Express 3.0 x16 PCI Express 3.0 x16
Graphics
  • DirectX® 11.2-capable graphics
    • Ninth generation programmable hardware tessellation units
    • Shader Model 5.0
    • DirectCompute 11
    • Accelerated multi-threading
    • HDR texture compression
    • Order-independent transparency
  • DirectX® 11.2-capable graphics
    • Ninth generation programmable hardware tessellation units
    • Shader Model 5.0
    • DirectCompute 11
    • Accelerated multi-threading
    • HDR texture compression
    • Order-independent transparency
  • Ninth generation programmable hardware tessellation units
  • Shader Model 5.0
  • DirectCompute 11
  • Accelerated multi-threading
  • HDR texture compression
  • Order-independent transparency
OpenGL 4.2 Support Yes Yes Yes
Partially Resident Textures (PRT) Ultra high-resolution texture streaming technology Ultra high-resolution texture streaming technology Ultra high-resolution texture streaming technology
Image Quality Enhancement Technology
  • Up to 24x multi-sample and super-sample anti-aliasing modes
  • Adaptive anti-aliasing
  • Morphological Anti-Aliasing (MLAA) 2.0
  • DirectX® 9/10/11 Super Sample Anti-Aliasing (SSAA)
    • Automatic LOD adjustment (Requires AMD Catalyst™ 12.4 or higher)
  • 16x angle independent anisotropic texture filtering
  • 128-bit floating point HDR rendering
  • Up to 24x multi-sample and super-sample anti-aliasing modes
  • Adaptive anti-aliasing
  • Morphological Anti-Aliasing (MLAA) 2.0
  • DirectX® 9/10/11 Super Sample Anti-Aliasing (SSAA)
    • Automatic LOD adjustment (Requires AMD Catalyst™ 12.4 or higher)
  • 16x angle independent anisotropic texture filtering
  • 128-bit floating point HDR rendering
  • Up to 24x multi-sample and super-sample anti-aliasing modes
  • Adaptive anti-aliasing
  • Morphological Anti-Aliasing (MLAA)
  • 16x angle independent anisotropic texture filtering
  • 128-bit floating point HDR rendering
Cutting-Edge Integrated Display Support
  • DisplayPort 1.2
    • Maximum resolution: 4096×2160 @ 60 Hz per display
    • Multi-stream
    • 21.6 Gbps bandwidth (HBR2)
    • High bit-rate audio
    • Quad HD/4K/UHDTV display support
    • 1080p60 stereoscopic 3D (Frame Sequential Format)
  • HDMI® (With 4K, 3D, x.v.Color™ and Deep Color)
    • Maximum resolution: 4096×2160 @ 30 Hz
    • 1080p30 stereoscopic 3D (Packed Frame Format)
    • Quad HD/4K/UHDTV video display support
  • Dual-link DVI with HDCP
    • Maximum resolution: 2560×1600
  • VGA
    • Maximum resolution: 2048×1536
  • DisplayPort 1.2
    • Maximum resolution: 4096×2160 @ 60 Hz per display
    • Multi-stream
    • 21.6 Gbps bandwidth (HBR2)
    • High bit-rate audio
    • Quad HD/4K/UHDTV display support
    • 1080p60 stereoscopic 3D (Frame Sequential Format
  • HDMI® (With 4K, 3D, x.v.Color™ and Deep Color)
    • Maximum resolution: 4096×2160 @ 30 Hz
    • 1080p30 stereoscopic 3D (Packed Frame Format)
    • Quad HD/4K/UHDTV video display suppor
  • Dual-link DVI with HDCP
    • Maximum resolution: 2560×1600
  • VGA
    • Maximum resolution: 2048×1536
  • DisplayPort 1.2
    • Maximum resolution: 4096×2160 @ 60 Hz per display
    • Multi-stream
    • 21.6 Gbps bandwidth (HBR2)
    • High bit-rate audio
    • Quad HD/4K/UHDTV display support
    • 1080p60 stereoscopic 3D (Frame Sequential Format
  • HDMI® (With 4K, 3D, x.v.Color™ and Deep Color)
    • Maximum resolution: 4096×2160 @ 30 Hz
    • 1080p30 stereoscopic 3D (Packed Frame Format)
    • Quad HD/4K/UHDTV video display suppor
  • Dual-link DVI with HDCP
    • Maximum resolution: 2560×1600
  • VGA
    • Maximum resolution: 2048×1536
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
  • 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
  • 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 Technologies
  • AMD Eyefinity multi-display technology4
    • Up to 6 displays supported with DisplayPort 1.2 Multi-Stream Transport
    • Independent resolutions, refresh rates, color controls, and video overlays
    • Display grouping
      • Combine multiple displays to behave like a single large display
  • AMD App Acceleration3
    • OpenCL™ 1.2 Support
    • Microsoft C++ AMP
    • DirectCompute 11
    • Double Precision Floating Point
  • AMD HD3D technology4
    • Stereoscopic 3D display/glasses support
    • Blu-ray 3D support
    • Stereoscopic 3D gaming
    • 3rd party Stereoscopic 3D middleware software support
  • AMD CrossFire™ multi-GPU technology5
    • Dual, triple or quad-GPU scaling
       AMD PowerPlay™ power management technology6
    • Automatic power management with low power idle states
  • AMD PowerTune technology6
    • Intelligent TDP management technology
    • Dynamic clockspeed/performance enhancement for games
  • AMD ZeroCore Power technology6
    • Ultra-low idle power when the system’s display is off
    • Secondary GPUs in an AMD CrossFire™ technology configuration power down when unneeded
  • AMD Catalyst™ software 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.

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