AMD · TeraScale 2 · 2011
Radeon HD 6990M (Blackcomb XTX)
Radeon HD 6990M (Blackcomb XTX): 2 GB GDDR5, 75 W, 1,120 Stream processors. Launched July 2011.
- Memory
- 2 GB
- Power
- 75 W
- Bus width
- 256 bit
Memory2 GB
11 of 183 in Radeon HD
Power75 W
70 of 157 by higher draw in Radeon HD
Stream processors1,120
27 of 179 in Radeon HD
Current market
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Specifications
Memory
- Capacity
- 2 GB
- Memory type
- GDDR5
- Bus width
- 256 bit
- Memory clock
- 900 MHz
- Bandwidth
- 115.2 GB/s
Compute
- Stream processors
- 1,120
- TMUs
- 56
- ROPs
- 32
- Pixel fill rate
- 22.88 GP/s
- Texture fill rate
- 40.04 GT/s
Board
- TDP
- 75 W
- Bus interface
- PCIe 2.1 x16
- Form factor
- mobile
Physical
- Architecture
- TeraScale 2
- Process
- 40 nm
- Series
- Radeon HD
- Launch date
- July 2011
Not recorded by the source: generation, codename, transistors and die size, or 7 further fields.
Die figure
Silicon, made visible
Die area is drawn against the largest recorded die in the catalog. Shader dots use a labeled, card-specific ratio so both early and modern GPUs remain legible.
Catalog context
Within its series, the Radeon HD 6990M (Blackcomb XTX) ranks 11th of 183 for memory capacity. Its 75 W TDP is within the 75 W PCIe slot-power ceiling.
Source: Wikipedia, revision 1364362273 · catalog loaded 2026-08-16