Altrix CX-8558 Ultra 12-Core AM5 Desktop Processor
Processors · Altrix · SKU CX8558-ULTRA · Released 2026 · Updated 2026-10-25
Key facts
| Benchmark index | 47,497 (Processors scale) |
|---|---|
| Category rank | #28,274 |
| Street price | $559 |
| Power | 120 W (TDP) |
| Performance per dollar | 84.97 |
| Released | 2026 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-8558 Ultra |
| Socket | AM5 |
| Cores / threads | 12 cores / 24 threads |
| Base clock | 4.3 GHz |
| Max boost clock | 5.5 GHz |
| L3 cache | 64 MB |
| Power | 120 W TDP (PPT 162 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 |
| NPU | 16 TOPS |
| 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
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Veltrix CX-5224 Ultra 8-Core AM4 Desktop Processor | 40,940 | $339 | Compare |
| Veltrix CX-8517 Edge 12-Core AM5 Desktop Processor | 34,111 | $339 | Compare |
| Nexora CX-7044 Ti 20-Core LGA1700 Desktop Processor | 44,931 | $479 | Compare |
| Nexora CX-4428 Plus 8-Core AM5 Desktop Processor | 39,577 | $429 | Compare |
| Nexora CX-9992 Plus 24-Core LGA1700 Desktop Processor | 57,472 | $859 | Compare |
| Veltrix CX-5774 Max 16-Core AM4 Desktop Processor | 40,369 | $499 | Compare |
Cite this page: Hardware Spec Index, “Altrix CX-8558 Ultra 12-Core AM5 Desktop Processor”, https://vextor7.com/item/62944508 (accessed 2026-10-25).