Altrix CX-8558 Ultra 12-Core AM5 Desktop Processor
Processors · Altrix · SKU CX8558-ULTRA · Released 2023 · Updated 2026-10-22
Key facts
| Benchmark index | 59,168 (Processors scale) |
|---|---|
| Category rank | #45,381 |
| Street price | $799 |
| Power | 120 W (TDP) |
| Performance per dollar | 74.05 |
| Released | 2023 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-8558 Ultra |
| Socket | AM5 |
| Cores / threads | 12 cores / 24 threads |
| Base clock | 3.4 GHz |
| Max boost clock | 5.7 GHz |
| L3 cache | 64 MB |
| Power | 120 W TDP (PPT 162 W) |
| Memory support | DDR5-5200, dual channel (EXPO) |
| CPU PCIe lanes | 28× PCIe 5.0 (24 usable) |
| Integrated graphics | Integrated graphics (2 CU) |
| Unlocked multiplier | Yes |
| Cooler included | No |
Related guides
AMD AM5 SocketCPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedDDR5 Memory ExplainedPCIe 5.0 ExplainedAMD AM5 Chipsets Compared
Similar Processors
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|---|---|---|---|
| Altrix CX-1680 Prime 6-Core AM5 Desktop Processor | 22,954 | $139 | Compare |
| Veltrix CX-7335 SE 20-Core LGA1851 Desktop Processor | 58,158 | $899 | Compare |
| Altrix CX-3429 Prime 24-Core LGA1851 Desktop Processor | 59,600 | $819 | Compare |
| Nexora CX-9970 SE 8-Core AM4 Desktop Processor | 30,936 | $189 | Compare |
| Altrix CX-9083 Edge 6-Core AM4 Desktop Processor | 29,755 | $239 | Compare |
| Altrix CX-7578 Max 8-Core AM4 Desktop Processor | 48,608 | $599 | Compare |
Cite this page: Hardware Spec Index, “Altrix CX-8558 Ultra 12-Core AM5 Desktop Processor”, https://vextor7.com/item/63259542 (accessed 2026-10-22).