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Sapphire HD4870x2 Atomic Review

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Fabrication Process
Graphics Clock
800 x2 MHz
Memory Clock 1000MHz /4000MHz effective  1000x4
Memory Interface 2 x 256-bit
Memory Size
1024MB x 2
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 MAX Resolution 2560X1600
Bus Technology PCI Express 2.0
Form Factor Single slot Liquid cooled Slot Design
Power Connectors 1 x 6-pin  1 x 8-pin



  • Powered by ATI Radeon HD 4870.
  • 2GB of GDDR5 memory
  • 2.4 teraFLOPS of GPU power
  • 1600 stream processing units
  • Dynamic geometry acceleration
  • Game physics processing capability
  • 256-bit Memory interface.
  • DirectX 10.1 and Shader Model 4.1 support.
  • PCI Express 2.0 support.
  • On-Chip HDCP.
  • ATI CrossFireX multi-GPU support for highly scalable performance.
  • Up to 24x Custom Filter Anti-Aliasing.
  • 55nm Process Technology.
  • Built-in HDMI and 7.1 surround audio.
  • ATI AVIVO HD Video and Display technology.
  • Unified Video Decoder 2 (UVD) for Blu-ray and HD DVD.
  • ATI Power Play
  • Dual-link DVI output supports 2560x1600 resolution display
  • HDCP capable
  • 4-in-one display support includes CRT, HDMI, Dual-link DVI, and DisplayPort
  • Built for Microsoft® Windows Vista™
  • DirectX 10.1
  • Shader model 4.1


All information courtesy of Sapphire tecnology

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