Radeon HD 4580
AMD
Catalog context
Within its series, the Radeon HD 4580 ranks 94th of 120 for FP32 throughput and 128th of 181 for memory capacity. Its 65 W TDP is within the 75 W PCIe slot-power ceiling. The source does not record generation, architecture, sm count and boost clock, or 3 further fields, for this variant.
| Launch date | November 20, 2011 |
|---|---|
| Series | Radeon HD |
| Generation | — |
| Codename | RV635 PRO |
| Form factor | desktop |
| Architecture | — |
| Process | 55 nm |
| Transistors | 378 million |
| Die size | 135 mm² |
| Shaders | 120 |
| TMUs | 8 |
| ROPs | 4 |
| SM count | — |
| Base clock | 796 MHz |
| Boost clock | — |
| Memory clock | 693 MHz |
| Memory | 512 MB |
| Memory type | GDDR3 |
| Bus width | 128 bit |
| Bandwidth | 22.2 GB/s |
| Pixel fill rate | 3.18 GP/s |
| Texture fill rate | 6.37 GT/s |
| FP32 | 191 GFLOPS |
| FP64 | — |
| TDP | 65 W |
| Bus interface | PCIe 2.0 ×16 |
| External power required | — |
| Launch MSRP | — |
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Source: Wikipedia, revision 1364362273 · catalog loaded 2026-08-16