Altrix CX-8558 Ultra 16-Core AM5 Desktop Processor
Processors · Altrix · SKU CX8558-ULTRA · Released 2024 · Updated 2026-10-26
Key facts
| Benchmark index | 51,871 (Processors scale) |
|---|---|
| Category rank | #36,710 |
| Street price | $719 |
| Power | 170 W (TDP) |
| Performance per dollar | 72.14 |
| Released | 2024 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-8558 Ultra |
| Socket | AM5 |
| Cores / threads | 16 cores / 32 threads |
| Base clock | 4.0 GHz |
| Max boost clock | 5.6 GHz |
| L3 cache | 64 MB |
| Power | 170 W TDP (PPT 230 W) |
| Memory support | DDR5-5600, 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
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| Nexora CX-3821 SE 10-Core LGA1851 Desktop Processor | 26,948 | $199 | Compare |
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Cite this page: Hardware Spec Index, “Altrix CX-8558 Ultra 16-Core AM5 Desktop Processor”, https://vextor7.com/item/5795110 (accessed 2026-10-26).