Radeon R9 M485X (Antigua XT)
AMD
Catalog context
Within its series, the Radeon R9 M485X (Antigua XT) ranks first of 102 for memory capacity. Its 100 W TDP is above the 75 W PCIe slot-power ceiling. The source does not record generation, codename, transistors and die size, or 8 further fields, for this variant.
| Launch date | May 1, 2016 |
|---|---|
| Series | Radeon R9/R7/R5 |
| Generation | — |
| Codename | — |
| Form factor | mobile |
| Architecture | GCN 3 |
| Process | 28 nm |
| Transistors | — |
| Die size | — |
| Shaders | 2,048 |
| TMUs | 128 |
| ROPs | 32 |
| SM count | — |
| Base clock | — |
| Boost clock | — |
| Memory clock | 1,250 MHz |
| Memory | 8 GB |
| Memory type | GDDR5 |
| Bus width | 256 bit |
| Bandwidth | 160 GB/s |
| Pixel fill rate | 23.14 GP/s |
| Texture fill rate | 92.5 GT/s |
| FP32 | — |
| FP64 | — |
| TDP | 100 W |
| Bus interface | — |
| External power required | — |
| Launch MSRP | — |
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Source: Wikipedia, revision 1364362273 · catalog loaded 2026-08-16