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[ AMD // INDIVIDUAL GPU RECORD ]

AMD Radeon HD 4890 1 GB reference

2009; RV790; 800 stream processors.

Unique local schematic for AMD Radeon HD 4890 1 GB reference, showing its memory configuration and host interface; not to scale
ORIGINAL LOCAL SCHEMATIC // NOT A PRODUCT PHOTOGRAPH OR DIMENSIONAL DRAWING

Recorded specifications

Catalog identityAMD Radeon HD 4890 1 GB reference
Model-specific specification2009; RV790; 800 stream processors; 1 GB GDDR5, 256-bit; PCIe 2.0 x16; 190 W; 2 x 6-pin.
Vendor-first catalogAMD vendor directory
Model-family indexAMD / ATI vendor directory

Compatibility and maintenance

Single GPU, not HD 4870 X2. Inspect aged blower, both 6-pin sockets and thermal contact; partner 2 GB/cooler layouts vary.

Sources & further reading

  1. TechPowerUp Radeon HD 4890Model/family technical or historical reference; confirm the exact board revision and OEM label.
  2. Retro Hardware Review — ATI HD 4890 1024 MB - 14 YEARS LATERIndependent video review; treat as supplementary context, not primary manufacturer documentation.