Radeon HD 6990M (Blackcomb XTX)
AMD
Catalog context
Within its series, the Radeon HD 6990M (Blackcomb XTX) ranks 11th of 181 for memory capacity. Its 75 W TDP is within the 75 W PCIe slot-power ceiling. The source does not record generation, codename, transistors and die size, or 7 further fields, for this variant.
| Launch date | July 1, 2011 |
|---|---|
| Series | Radeon HD |
| Generation | — |
| Codename | — |
| Form factor | mobile |
| Architecture | TeraScale 2 |
| Process | 40 nm |
| Transistors | — |
| Die size | — |
| Shaders | 1,120 |
| TMUs | 56 |
| ROPs | 32 |
| SM count | — |
| Base clock | — |
| Boost clock | — |
| Memory clock | 900 MHz |
| Memory | 2 GB |
| Memory type | GDDR5 |
| Bus width | 256 bit |
| Bandwidth | 115.2 GB/s |
| Pixel fill rate | 22.88 GP/s |
| Texture fill rate | 40.04 GT/s |
| FP32 | — |
| FP64 | — |
| TDP | 75 W |
| Bus interface | PCIe 2.1 x16 |
| External power required | — |
| Launch MSRP | — |
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Source: Wikipedia, revision 1364362273 · catalog loaded 2026-08-16