Altrix CX-8858 Pro 20-Core LGA1851 Desktop Processor
Processors · Altrix · SKU CX8858-PRO · Released 2025 · Updated 2026-10-25
Key facts
| Benchmark index | 48,889 (Processors scale) |
|---|---|
| Category rank | #14,947 |
| Street price | $509 |
| Power | 125 W (TDP) |
| Performance per dollar | 96.05 |
| Released | 2025 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-8858 Pro |
| Socket | LGA1851 |
| Cores / threads | 20 cores (8P + 12E) / 20 threads |
| Base clock | 3.2 GHz |
| Max boost clock | 5.4 GHz |
| L3 cache | 30 MB |
| Power | 125 W base / 250 W max turbo |
| Memory support | DDR5-6400, dual channel (CUDIMM supported) |
| CPU PCIe lanes | 20× PCIe 5.0 + 4× PCIe 4.0 |
| Integrated graphics | None (F model) |
| Unlocked multiplier | Yes |
| NPU | 13 TOPS |
| Cooler included | No |
Related guides
Intel LGA1851 SocketCPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedDDR5 Memory ExplainedPCIe 5.0 ExplainedIntel 800 Series Chipsets
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| Nexora CX-2558 SE 10-Core LGA1700 Desktop Processor | 19,490 | $109 | Compare |
| Altrix CX-4935 Plus 12-Core AM4 Desktop Processor | 52,857 | $599 | Compare |
| Nexora CX-8395 Ultra 16-Core AM4 Desktop Processor | 48,306 | $609 | Compare |
| Nexora CX-9592 XT 12-Core AM5 Desktop Processor | 43,084 | $449 | Compare |
| Altrix CX-7769 Plus 24-Core LGA1851 Desktop Processor | 36,315 | $329 | Compare |
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Cite this page: Hardware Spec Index, “Altrix CX-8858 Pro 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/6728722 (accessed 2026-10-25).