Nexora CX-8666 Core 20-Core LGA1851 Desktop Processor
Processors · Nexora · SKU CX8666-CORE · Released 2025 · Updated 2026-10-20
Key facts
| Benchmark index | 53,996 (Processors scale) |
|---|---|
| Category rank | #41,380 |
| Street price | $789 |
| Power | 125 W (TDP) |
| Performance per dollar | 68.44 |
| Released | 2025 |
Specifications
| Brand | Nexora |
|---|---|
| Model | Nexora CX-8666 Core |
| Socket | LGA1851 |
| Cores / threads | 20 cores (8P + 12E) / 20 threads |
| Base clock | 2.6 GHz |
| Max boost clock | 5.5 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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| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Veltrix CX-9638 Prime 8-Core AM5 Desktop Processor | 31,116 | $259 | Compare |
| Veltrix CX-3784 Pro 12-Core AM4 Desktop Processor | 42,366 | $369 | Compare |
| Altrix CX-3858 SE 12-Core AM4 Desktop Processor | 51,837 | $699 | Compare |
| Nexora CX-7291 Ultra 12-Core AM5 Desktop Processor | 50,153 | $609 | Compare |
| Nexora CX-2445 Plus 16-Core AM5 Desktop Processor | 45,746 | $629 | Compare |
| Altrix CX-3475 Ti 12-Core AM4 Desktop Processor | 46,289 | $609 | Compare |
Cite this page: Hardware Spec Index, “Nexora CX-8666 Core 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/529469 (accessed 2026-10-20).