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Diamond HD4870 1GB Review

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Fabrication Process
Graphics Clock
750 MHz
Memory Clock 900 MHz
Memory Interface 256-bit
Memory Size
Memory Type
400 MHz
Stream Processors
HDCP Support
HDMI Support
Yes (Using DVI-to-HDMI adaptor)
Connectors 2 x dual-link DVI-I 1 x S-Video Out
Bus Technology PCI Express 2.0
Form Factor Dual Slot
Power Connectors 2 x 6-pin



  • Superscale unified shader architecture
  • PCI Express 2.0 support
  • 800 Unified Stream Processors
  • 256-bit memory interface
  • Direct X 10.1 / Shader Model 4.1 / OpenGL 2.0
  • ATI Crossfire X Multi-GPU Support for highly scalable performance
  • Up to four GPU support with an AMD 790FX based motherboard
  • High-speed 128-bit-HDR (High Dynamic Range) rendering
  • Up to 24x Custom Filter Anti-Aliasing
  • 55nm process technology
  • Game Physics processing capability
  • Support for the ATI Radeon DVI to HDMI adapter
  • Unified Video Decoder (UVD) for Blu-ray and HD DVD
  • ATI PowerPlay energy conserving technology
  • RoHS compliant
  • Built in HDCP Support


Optimized for Windows Vista™ with comprehensive DirectX® 10.1, 10.0 and DirectX® 9 support

  • ATI Avivo™ HD Video and Display Technology
  • Built-in HDMI with Multi-channel 7.1 surround audio
  • Two Dual Link DVI with full resolution HDCP support
  • HD video playback
  • Full 30-bit display processing
  • CATALYST Software Drivers
  • Windows Vista™ 3D environment Support
  • 1080p Support via HDMI

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