Digital Alliance RadeonHD5550 1GB DDR3 PCI-E

• 1.04 billion 40nm transistors
• TeraScale 2 Unified Processing Architecture
  • 720 Stream Processing Units
  • 36 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 technology^2,3
  • 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
  • DirectCompute 11
  • Accelerated video encoding, transcoding, and upscaling^4,5
• ATI CrossFireX™ 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 support^9,10
  • 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 PowerPlay™ 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

Speeds & Feeds

• Engine clock speed: 700 MHz
• Processing power (single precision): 1.008 TeraFLOPS
• Polygon throughput: 700M polygons/sec
• Data fetch rate (32-bit): 100.8 billion fetches/sec
• Texel fill rate (bilinear filtered): 25.2 Gigatexels/sec
• Pixel fill rate: 11.2 Gigapixels/sec
• Anti-aliased pixel fill rate: 44.8 Gigasamples/sec
• Memory clock speed: 1.15 GHz
• Memory data rate: 4.6 Gbps
• Memory bandwidth: 73.6 GB/sec
• Maximum board power: 86 Watts
• Idle board power: 16 Watts